Add collaboration feature

Issue-ID: SDC-767
Change-Id: I14fb4c1f54086ed03a56a7ff7fab9ecd40381795
Signed-off-by: talig <talig@amdocs.com>

62 files changed, 3118 insertions, 0 deletions

diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/pom.xml b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/pom.xml
new file mode 100644
index 0000000000..8e1c293e16
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/pom.xml
@@ -0,0 +1,20 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <name>openecomp-sdc-notification-api</name>
+    <artifactId>openecomp-sdc-notification-api</artifactId>
+    <parent>
+        <groupId>org.openecomp.sdc</groupId>
+        <artifactId>openecomp-sdc-lib</artifactId>
+        <version>1.2.0-SNAPSHOT</version>
+        <relativePath>../..</relativePath>
+    </parent>
+    <dependencies>
+        <dependency>
+            <groupId>org.openecomp.sdc.core</groupId>
+            <artifactId>openecomp-nosqldb-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+</project>
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/destinationprovider/DestinationProvider.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/destinationprovider/DestinationProvider.java
new file mode 100644
index 0000000000..0c6dfc8580
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/destinationprovider/DestinationProvider.java
@@ -0,0 +1,11 @@
+package org.openecomp.sdc.destinationprovider;
+
+import java.util.List;
+
+/**
+ * @author avrahamg
+ * @since July 09, 2017
+ */
+public interface DestinationProvider {
+    List<String> getSubscribers();
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/LastNotificationDao.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/LastNotificationDao.java
new file mode 100644
index 0000000000..f0bf7e8874
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/LastNotificationDao.java
@@ -0,0 +1,34 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.dao;
+
+import org.openecomp.core.dao.BaseDao;
+import org.openecomp.sdc.notification.dao.types.LastSeenNotificationEntity;
+
+import java.util.UUID;
+
+public interface LastNotificationDao extends BaseDao<LastSeenNotificationEntity> {
+
+  UUID getOwnerLastEventId(String ownerId);
+
+  void persistOwnerLastEventId(String ownerId, UUID eventId);
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/NotificationsDao.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/NotificationsDao.java
new file mode 100644
index 0000000000..6542d70158
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/NotificationsDao.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.dao;
+
+import org.openecomp.core.dao.BaseDao;
+import org.openecomp.sdc.notification.dao.types.NotificationEntity;
+import org.openecomp.sdc.notification.dtos.NotificationsStatus;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.UUID;
+
+
+public interface NotificationsDao extends BaseDao<NotificationEntity> {
+
+    int DEFAULT_LIMIT_OF_RESULTS_FOR_OWNER_NOTIFICATIONS = 1000;
+
+    List<NotificationEntity> getNotificationsByOwnerId(String ownerId, int limit);
+
+    List<NotificationEntity> getNewNotificationsByOwnerId(String ownerId, UUID eventId);
+
+    List<NotificationEntity> getNewNotificationsByOwnerId(String ownerId, UUID eventId, int limit);
+
+    NotificationsStatus getNotificationsStatus(String ownerId, UUID lastSeenNotification, int numOfRecordsToReturn);
+
+    NotificationsStatus getNotificationsStatus(String ownerId, UUID lastSeenNotification, int numOfRecordsToReturn, UUID prevLastNotification);
+
+	void markNotificationAsRead(String ownerId, Collection<UUID> eventIds);
+
+    void createBatch(List<NotificationEntity> notificationEntities);
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/SubscribersDao.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/SubscribersDao.java
new file mode 100644
index 0000000000..3daf165efc
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/SubscribersDao.java
@@ -0,0 +1,37 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.dao;
+
+import org.openecomp.core.dao.BaseDao;
+import org.openecomp.sdc.notification.dao.types.SubscribersEntity;
+
+import java.util.Set;
+
+
+public interface SubscribersDao extends BaseDao<SubscribersEntity> {
+
+    void subscribe(String ownerId, String entityId);
+
+    void unsubscribe(String ownerId, String entityId);
+
+    Set<String> getSubscribers(String entityId);
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/types/LastSeenNotificationEntity.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/types/LastSeenNotificationEntity.java
new file mode 100644
index 0000000000..d6e717d1b3
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/types/LastSeenNotificationEntity.java
@@ -0,0 +1,103 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.dao.types;
+
+import com.datastax.driver.mapping.annotations.Column;
+import com.datastax.driver.mapping.annotations.PartitionKey;
+import com.datastax.driver.mapping.annotations.Table;
+
+import java.util.Objects;
+import java.util.UUID;
+
+@Table(keyspace = "dox", name = "last_notification")
+public class LastSeenNotificationEntity {
+  public static final String ENTITY_TYPE = "Event Notification";
+
+  @PartitionKey
+  @Column(name = "owner_id")
+  private String ownerId;
+
+  @Column(name = "event_id")
+  private UUID lastEventId;
+
+  public LastSeenNotificationEntity() {
+  }
+
+  /**
+   * Instantiates a new Notification entity.
+   *
+   * @param ownerId      the owner id
+   * @param lastEventId  the last event id
+   */
+  public LastSeenNotificationEntity(String ownerId, UUID lastEventId) {
+    this.ownerId = ownerId;
+    this.lastEventId = lastEventId;
+  }
+
+  public String getOwnerId() {
+    return ownerId;
+  }
+
+  public void setOwnerId(String ownerId) {
+    this.ownerId = ownerId;
+  }
+
+  public UUID getLastEventId() {
+    return lastEventId;
+  }
+
+  public void setLastEventId(UUID lastEventId) {
+    this.lastEventId = lastEventId;
+  }
+
+  @Override
+  public boolean equals(Object other) {
+    if (Objects.equals(this, other)) {
+      return true;
+    }
+
+    if (Objects.equals(getClass(), other.getClass())) {
+      return false;
+    }
+
+    LastSeenNotificationEntity that = (LastSeenNotificationEntity) other;
+
+    if (Objects.equals(ownerId, that.ownerId)) {
+      return false;
+    }
+
+    return !Objects.equals(lastEventId, that.lastEventId);
+  }
+
+  @Override
+  public int hashCode() {
+    int result = ownerId != null ? ownerId.hashCode() : 0;
+    result = 31 * result + (lastEventId != null ? lastEventId.hashCode() : 0);
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return "LastSeenNotificationEntity {"
+        + "ownerId='" + ownerId + '\''
+       + '}';
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/types/NotificationEntity.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/types/NotificationEntity.java
new file mode 100644
index 0000000000..52377077cf
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/types/NotificationEntity.java
@@ -0,0 +1,188 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.dao.types;
+
+import com.datastax.driver.mapping.annotations.ClusteringColumn;
+import com.datastax.driver.mapping.annotations.Column;
+import com.datastax.driver.mapping.annotations.PartitionKey;
+import com.datastax.driver.mapping.annotations.Table;
+
+import java.util.Objects;
+import java.util.UUID;
+
+@Table(keyspace = "dox", name = "notifications")
+public class NotificationEntity {
+
+  public static final String ENTITY_TYPE = "Event Notification";
+
+  @PartitionKey
+  @Column(name = "owner_id")
+  private String ownerId;
+
+  @Column(name = "read")
+  private boolean read;
+
+  @ClusteringColumn
+  @Column(name = "event_id")
+  private UUID eventId;
+
+  @Column(name = "event_type")
+  private String eventType;
+
+  @Column(name = "event_attributes")
+  private String eventAttributes;
+
+  @Column(name = "originator_id")
+  private String originatorId;
+
+  public NotificationEntity() {
+  }
+
+  public NotificationEntity(String ownerId) {
+    this.ownerId = ownerId;
+  }
+
+  /**
+   * Instantiates a new Notification entity.
+   *
+   * @param ownerId      the owner id
+   * @param eventId      the event id
+   * @param eventType    the event type
+   * @param originatorId the originator id
+   */
+  public NotificationEntity(String ownerId, UUID eventId, String eventType, String originatorId, boolean read, String eventAttributes) {
+    this.ownerId = ownerId;
+    this.read = read;
+    this.eventId = eventId;
+    this.eventType = eventType;
+    this.originatorId = originatorId;
+    this.eventAttributes = eventAttributes;
+  }
+
+  public NotificationEntity(String ownerId, UUID eventId, String eventType, String originatorId) {
+		this(ownerId, eventId, eventType, originatorId, false, null);
+  }
+
+  public NotificationEntity(String ownerId, UUID eventId) {
+		this(ownerId, eventId, null, null);
+  }
+
+  public String getOwnerId() {
+    return ownerId;
+  }
+
+  public void setOwnerId(String ownerId) {
+    this.ownerId = ownerId;
+  }
+
+  public boolean isRead() {
+    return read;
+  }
+
+  public void setRead(boolean read) {
+    this.read = read;
+  }
+
+  public UUID getEventId() {
+    return eventId;
+  }
+
+  public void setEventId(UUID eventId) {
+    this.eventId = eventId;
+  }
+
+  public String getEventType() {
+    return eventType;
+  }
+
+  public void setEventType(String eventType) {
+    this.eventType = eventType;
+  }
+
+  public String getEventAttributes() {
+    return eventAttributes;
+  }
+
+  public void setEventAttributes(String eventAttributes) {
+    this.eventAttributes = eventAttributes;
+  }
+
+  public String getOriginatorId() {
+    return originatorId;
+  }
+
+  public void setOriginatorId(String originatorId) {
+    this.originatorId = originatorId;
+  }
+
+  @Override
+  public boolean equals(Object other) {
+    if (Objects.equals(this, other)) {
+      return true;
+    }
+
+    if (Objects.equals(getClass(), other.getClass())) {
+      return false;
+    }
+
+    NotificationEntity that = (NotificationEntity) other;
+
+    if (Objects.equals(ownerId, that.ownerId)) {
+      return false;
+    }
+    if (read != that.read) {
+      return false;
+    }
+    if (Objects.equals(eventId, that.eventId)) {
+      return false;
+    }
+    if (Objects.equals(eventType, that.eventType)) {
+      return false;
+    }
+    if (Objects.equals(eventAttributes, that.eventAttributes)) {
+      return false;
+    }
+    if (Objects.equals(originatorId, that.originatorId)) {
+      return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    int result = ownerId != null ? ownerId.hashCode() : 0;
+    result = 31 * result + (eventId != null ? eventId.hashCode() : 0);
+    return result;
+  }
+
+  @Override
+  public String toString() {
+    return "NotificationEntity {"
+        + "ownerId='" + ownerId + '\''
+        + ", state='" + (read ? "Read" : "Noread") + '\''
+        + ", originatorId='" + originatorId + '\''
+        + ", eventId='" + eventId + '\''
+        + ", eventType='" + eventType + '\''
+        + ", eventAttributes='" + eventAttributes + '\''
+        + '}';
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/types/SubscribersEntity.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/types/SubscribersEntity.java
new file mode 100644
index 0000000000..d858cbd9eb
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dao/types/SubscribersEntity.java
@@ -0,0 +1,68 @@
+package org.openecomp.sdc.notification.dao.types;
+
+import com.datastax.driver.mapping.annotations.Column;
+import com.datastax.driver.mapping.annotations.PartitionKey;
+import com.datastax.driver.mapping.annotations.Table;
+
+import java.util.Objects;
+import java.util.Set;
+
+import static java.util.Objects.hash;
+
+@Table(keyspace = "dox", name = "notification_subscribers")
+public class SubscribersEntity {
+
+    @PartitionKey
+    @Column(name = "entity_id")
+    private String entityId;
+
+    @Column(name = "subscribers")
+    private Set<String> subscribers;
+
+
+    public SubscribersEntity() {
+    }
+
+    public SubscribersEntity(String entityId, Set<String> subscribers) {
+        this.entityId = entityId;
+        this.subscribers = subscribers;
+    }
+
+    public String getEntityId() {
+        return entityId;
+    }
+
+    public void setEntityId(String entityId) {
+        this.entityId = entityId;
+    }
+
+    public Set<String> getSubscribers() {
+        return subscribers;
+    }
+
+    public void setSubscribers(Set<String> subscribers) {
+        this.subscribers = subscribers;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        SubscribersEntity that = (SubscribersEntity) o;
+        return Objects.equals(entityId, that.entityId) &&
+                Objects.equals(subscribers, that.subscribers);
+    }
+
+    @Override
+    public int hashCode() {
+        return hash(entityId, subscribers);
+    }
+
+    @Override
+    public String toString() {
+        return "SubscribersEntity{" +
+                "entityId='" + entityId + '\'' +
+                ", subscribers=" + subscribers +
+                '}';
+    }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dtos/Event.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dtos/Event.java
new file mode 100644
index 0000000000..f7a181e5e6
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dtos/Event.java
@@ -0,0 +1,14 @@
+package org.openecomp.sdc.notification.dtos;
+
+import java.util.Map;
+
+public interface Event {
+
+    String getEventType();
+
+    String getOriginatorId();
+
+    Map<String, Object> getAttributes();
+
+    String getEntityId();
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dtos/NotificationsStatus.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dtos/NotificationsStatus.java
new file mode 100644
index 0000000000..1620569ec5
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/dtos/NotificationsStatus.java
@@ -0,0 +1,24 @@
+package org.openecomp.sdc.notification.dtos;
+
+import org.openecomp.sdc.notification.dao.types.NotificationEntity;
+
+import java.util.List;
+import java.util.UUID;
+
+/**
+ * @author Avrahamg
+ * @since June 26, 2017
+ */
+public interface NotificationsStatus {
+
+  List<NotificationEntity> getNotifications();
+
+  List<UUID> getNewEntries();
+
+  UUID getLastScanned();
+
+  UUID getEndOfPage();
+
+  long getNumOfNotSeenNotifications();
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/exceptons/NotificationNotExistException.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/exceptons/NotificationNotExistException.java
new file mode 100644
index 0000000000..90e53ea69a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/exceptons/NotificationNotExistException.java
@@ -0,0 +1,18 @@
+package org.openecomp.sdc.notification.exceptons;
+
+/**
+ * @author avrahamg
+ * @since July 02, 2017
+ */
+public class NotificationNotExistException extends Exception {
+    private String message;
+
+
+    public NotificationNotExistException(String Message){
+        this(Message, null);
+    }
+    public NotificationNotExistException(String message, Throwable cause) {
+        super(cause);
+        this.message = message;
+    }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/LastNotificationDaoFactory.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/LastNotificationDaoFactory.java
new file mode 100644
index 0000000000..6e6f9f063a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/LastNotificationDaoFactory.java
@@ -0,0 +1,34 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.factories;
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+import org.openecomp.sdc.notification.dao.LastNotificationDao;
+
+
+public abstract class LastNotificationDaoFactory extends AbstractComponentFactory<LastNotificationDao> {
+
+  public static LastNotificationDaoFactory getInstance() {
+    return AbstractFactory.getInstance(LastNotificationDaoFactory.class);
+  }
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/NotificationPropagationManagerFactory.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/NotificationPropagationManagerFactory.java
new file mode 100644
index 0000000000..356055e26c
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/NotificationPropagationManagerFactory.java
@@ -0,0 +1,15 @@
+package org.openecomp.sdc.notification.factories;
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+import org.openecomp.sdc.notification.services.NotificationPropagationManager;
+
+public abstract class NotificationPropagationManagerFactory extends AbstractComponentFactory<NotificationPropagationManager> {
+
+
+    public static NotificationPropagationManagerFactory getInstance() {
+        return AbstractFactory.getInstance(NotificationPropagationManagerFactory.class);
+    }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/NotificationsDaoFactory.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/NotificationsDaoFactory.java
new file mode 100644
index 0000000000..341af7e296
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/NotificationsDaoFactory.java
@@ -0,0 +1,34 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.factories;
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+import org.openecomp.sdc.notification.dao.NotificationsDao;
+
+
+public abstract class NotificationsDaoFactory extends AbstractComponentFactory<NotificationsDao> {
+
+  public static NotificationsDaoFactory getInstance() {
+    return AbstractFactory.getInstance(NotificationsDaoFactory.class);
+  }
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/NotificationsServiceFactory.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/NotificationsServiceFactory.java
new file mode 100644
index 0000000000..eab26188c1
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/NotificationsServiceFactory.java
@@ -0,0 +1,34 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.factories;
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+import org.openecomp.sdc.notification.services.NotificationsService;
+
+
+public abstract class NotificationsServiceFactory extends AbstractComponentFactory<NotificationsService> {
+
+  public static NotificationsServiceFactory getInstance() {
+    return AbstractFactory.getInstance(NotificationsServiceFactory.class);
+  }
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/PropagationServiceFactory.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/PropagationServiceFactory.java
new file mode 100644
index 0000000000..e82783c40c
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/PropagationServiceFactory.java
@@ -0,0 +1,15 @@
+package org.openecomp.sdc.notification.factories;
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+import org.openecomp.sdc.notification.services.PropagationService;
+
+public abstract class PropagationServiceFactory extends AbstractComponentFactory<PropagationService> {
+
+
+    public static PropagationServiceFactory getInstance() {
+        return AbstractFactory.getInstance(PropagationServiceFactory.class);
+    }
+
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/SubscribersDaoFactory.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/SubscribersDaoFactory.java
new file mode 100644
index 0000000000..33b62e2f5d
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/SubscribersDaoFactory.java
@@ -0,0 +1,34 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.factories;
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+import org.openecomp.sdc.notification.dao.SubscribersDao;
+
+
+public abstract class SubscribersDaoFactory extends AbstractComponentFactory<SubscribersDao> {
+
+    public static SubscribersDaoFactory getInstance() {
+        return AbstractFactory.getInstance(SubscribersDaoFactory.class);
+    }
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/SubscriptionServiceFactory.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/SubscriptionServiceFactory.java
new file mode 100644
index 0000000000..3e789c22a7
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/factories/SubscriptionServiceFactory.java
@@ -0,0 +1,34 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.factories;
+
+import org.openecomp.core.factory.api.AbstractComponentFactory;
+import org.openecomp.core.factory.api.AbstractFactory;
+import org.openecomp.sdc.notification.services.SubscriptionService;
+
+
+public abstract class SubscriptionServiceFactory extends AbstractComponentFactory<SubscriptionService> {
+
+    public static SubscriptionServiceFactory getInstance() {
+        return AbstractFactory.getInstance(SubscriptionServiceFactory.class);
+    }
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/services/NotificationPropagationManager.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/services/NotificationPropagationManager.java
new file mode 100644
index 0000000000..7a1596eb95
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/services/NotificationPropagationManager.java
@@ -0,0 +1,12 @@
+package org.openecomp.sdc.notification.services;
+
+import org.openecomp.sdc.notification.dtos.Event;
+
+/**
+ * @author avrahamg
+ * @since July 09, 2017
+ */
+public interface NotificationPropagationManager {
+    void notifySubscribers(Event event, String ... excludedSubscribers);
+    void directNotification(Event event, String destinationId);
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/services/NotificationsService.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/services/NotificationsService.java
new file mode 100644
index 0000000000..17cfac1e5d
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/services/NotificationsService.java
@@ -0,0 +1,31 @@
+package org.openecomp.sdc.notification.services;
+
+import org.openecomp.sdc.notification.dao.types.LastSeenNotificationEntity;
+import org.openecomp.sdc.notification.dao.types.NotificationEntity;
+import org.openecomp.sdc.notification.dtos.NotificationsStatus;
+import org.openecomp.sdc.notification.exceptons.NotificationNotExistException;
+
+import java.util.List;
+import java.util.UUID;
+
+/**
+ * @author Avrahamg
+ * @since June 22, 2017
+ */
+public interface NotificationsService {
+
+	LastSeenNotificationEntity getLastNotification(String ownerId);
+
+	NotificationsStatus getNotificationsStatus(String ownerId, UUID lastDelivered, int numOfRecordsToReturn, UUID endOfPage);
+
+	void updateLastSeenNotification(String ownerId, UUID eventId);
+
+	void markAsRead(String ownerId, String notificationId) throws NotificationNotExistException;
+
+    List<NotificationEntity> getNotificationsByOwnerId(String ownerId, int limit);
+
+    List<NotificationEntity> getNewNotificationsByOwnerId(String ownerId, UUID eventId);
+
+    List<NotificationEntity> getNewNotificationsByOwnerId(String ownerId, UUID eventId, int limit);
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/services/PropagationService.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/services/PropagationService.java
new file mode 100644
index 0000000000..c084aa8015
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/services/PropagationService.java
@@ -0,0 +1,9 @@
+package org.openecomp.sdc.notification.services;
+
+import org.openecomp.sdc.destinationprovider.DestinationProvider;
+import org.openecomp.sdc.notification.dtos.Event;
+
+public interface PropagationService {
+
+    void notify(Event event, DestinationProvider destinationProvider);
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/services/SubscriptionService.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/services/SubscriptionService.java
new file mode 100644
index 0000000000..98cd458ca2
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-api/src/main/java/org/openecomp/sdc/notification/services/SubscriptionService.java
@@ -0,0 +1,15 @@
+package org.openecomp.sdc.notification.services;
+
+import java.util.Set;
+
+/**
+ * @author avrahamg
+ * @since July 09, 2017
+ */
+public interface SubscriptionService {
+    void subscribe(String ownerId, String entityId);
+
+    void unsubscribe(String ownerId, String entityId);
+
+    Set<String> getSubscribers(String entityId);
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/pom.xml b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/pom.xml
new file mode 100644
index 0000000000..4fe33ea1c3
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/pom.xml
@@ -0,0 +1,42 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <name>openecomp-sdc-notification-core</name>
+    <artifactId>openecomp-sdc-notification-core</artifactId>
+
+
+    <parent>
+        <groupId>org.openecomp.sdc</groupId>
+        <artifactId>openecomp-sdc-lib</artifactId>
+        <version>1.2.0-SNAPSHOT</version>
+        <relativePath>../..</relativePath>
+    </parent>
+    <dependencies>
+        <dependency>
+            <groupId>org.openecomp.sdc</groupId>
+            <artifactId>openecomp-sdc-notification-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-all</artifactId>
+            <scope>test</scope>
+            <version>1.10.19</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+            <version>${junit.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.powermock</groupId>
+            <artifactId>powermock-module-junit4</artifactId>
+            <version>1.6.5</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/destinationprovider/impl/MulticastDestination.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/destinationprovider/impl/MulticastDestination.java
new file mode 100644
index 0000000000..431f9c18d6
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/destinationprovider/impl/MulticastDestination.java
@@ -0,0 +1,44 @@
+package org.openecomp.sdc.destinationprovider.impl;
+
+import org.apache.commons.lang3.ArrayUtils;
+import org.openecomp.sdc.destinationprovider.DestinationProvider;
+import org.openecomp.sdc.notification.services.SubscriptionService;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @author avrahamg
+ * @since July 09, 2017
+ */
+public class MulticastDestination implements DestinationProvider {
+
+    private String entityId;
+    private SubscriptionService subscriptionService;
+    private String[] excludedSubscribers;
+
+    public MulticastDestination(String entityId, SubscriptionService subscriptionService,
+                                String... excludedSubscribers) {
+        this.entityId = entityId;
+        this.excludedSubscribers = excludedSubscribers;
+        this.subscriptionService = subscriptionService;
+    }
+
+    public List<String> getSubscribers() {
+        ArrayList<String> subscribers = new ArrayList<>(subscriptionService.getSubscribers(entityId));
+        if (ArrayUtils.isNotEmpty(excludedSubscribers)) {
+            subscribers.removeAll(Arrays.asList(excludedSubscribers));
+        }
+        return Collections.unmodifiableList(subscribers);
+    }
+
+    public String getEntityId() {
+        return entityId;
+    }
+
+    public void setEntityId(String entityId) {
+        this.entityId = entityId;
+    }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/destinationprovider/impl/UnicastDestination.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/destinationprovider/impl/UnicastDestination.java
new file mode 100644
index 0000000000..693c816d01
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/destinationprovider/impl/UnicastDestination.java
@@ -0,0 +1,23 @@
+package org.openecomp.sdc.destinationprovider.impl;
+
+import org.openecomp.sdc.destinationprovider.DestinationProvider;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @author avrahamg
+ * @since July 09, 2017
+ */
+public class UnicastDestination implements DestinationProvider {
+
+    private String originatorId;
+
+    public UnicastDestination(String originatorId) {
+        this.originatorId = originatorId;
+    }
+
+    public List<String> getSubscribers() {
+        return Collections.unmodifiableList(Collections.singletonList(originatorId));
+    }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/dao/impl/LastNotificationDaoCassandraImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/dao/impl/LastNotificationDaoCassandraImpl.java
new file mode 100644
index 0000000000..0bfd6a314d
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/dao/impl/LastNotificationDaoCassandraImpl.java
@@ -0,0 +1,87 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.dao.impl;
+
+import com.datastax.driver.core.ResultSet;
+import com.datastax.driver.core.Row;
+import com.datastax.driver.mapping.Mapper;
+import com.datastax.driver.mapping.Result;
+import com.datastax.driver.mapping.annotations.Accessor;
+import com.datastax.driver.mapping.annotations.Query;
+import org.openecomp.core.dao.impl.CassandraBaseDao;
+import org.openecomp.core.nosqldb.api.NoSqlDb;
+import org.openecomp.core.nosqldb.factory.NoSqlDbFactory;
+import org.openecomp.sdc.notification.dao.LastNotificationDao;
+import org.openecomp.sdc.notification.dao.types.LastSeenNotificationEntity;
+
+import java.util.Collection;
+import java.util.UUID;
+
+
+public class LastNotificationDaoCassandraImpl extends CassandraBaseDao<LastSeenNotificationEntity> implements LastNotificationDao {
+
+  private static final NoSqlDb noSqlDb = NoSqlDbFactory.getInstance().createInterface();
+  private static final Mapper<LastSeenNotificationEntity> mapper =
+      noSqlDb.getMappingManager().mapper(LastSeenNotificationEntity.class);
+  private static final LastNotificationAccessor accessor =
+      noSqlDb.getMappingManager().createAccessor(LastNotificationAccessor.class);
+
+  @Override
+  protected Mapper<LastSeenNotificationEntity> getMapper() {
+    return mapper;
+  }
+
+  @Override
+  protected Object[] getKeys(LastSeenNotificationEntity entity) {
+    return new Object[]{entity.getOwnerId()};
+  }
+
+  @Override
+  public Collection<LastSeenNotificationEntity> list(LastSeenNotificationEntity entity) {
+    return accessor.list(entity.getOwnerId()).all();
+  }
+
+  @Override
+  public UUID getOwnerLastEventId(String ownerId) {
+    ResultSet ownerLastEventId = accessor.getOwnerLastEventId(ownerId);
+    Row one = ownerLastEventId.one();
+    return one != null ? one.getUUID("event_id") : null;
+  }
+
+  @Override
+  public void persistOwnerLastEventId(String ownerId, UUID eventId) {
+	    accessor.updateOwnerLastEventId(eventId, ownerId);
+  }
+
+  @Accessor
+  interface LastNotificationAccessor {
+
+    @Query("select * from last_notification where owner_id=?")
+    Result<LastSeenNotificationEntity> list(String ownerId);
+
+    @Query("select event_id from last_notification where owner_id=?")
+    ResultSet getOwnerLastEventId(String ownerId);
+
+    @Query("update last_notification set event_id=? where owner_id=?")
+    ResultSet updateOwnerLastEventId(UUID eventId, String ownerId);
+  }
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/dao/impl/NotificationsDaoCassandraImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/dao/impl/NotificationsDaoCassandraImpl.java
new file mode 100644
index 0000000000..151c2c81d9
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/dao/impl/NotificationsDaoCassandraImpl.java
@@ -0,0 +1,287 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.dao.impl;
+
+import com.datastax.driver.core.BatchStatement;
+import com.datastax.driver.core.ResultSet;
+import com.datastax.driver.core.Statement;
+import com.datastax.driver.core.utils.UUIDs;
+import com.datastax.driver.mapping.Mapper;
+import com.datastax.driver.mapping.Result;
+import com.datastax.driver.mapping.annotations.Accessor;
+import com.datastax.driver.mapping.annotations.Query;
+import org.apache.commons.collections.CollectionUtils;
+import org.openecomp.core.dao.impl.CassandraBaseDao;
+import org.openecomp.core.nosqldb.api.NoSqlDb;
+import org.openecomp.core.nosqldb.factory.NoSqlDbFactory;
+import org.openecomp.sdc.notification.dao.NotificationsDao;
+import org.openecomp.sdc.notification.dao.types.NotificationEntity;
+import org.openecomp.sdc.notification.dtos.NotificationsStatus;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+import static org.openecomp.core.nosqldb.impl.cassandra.CassandraSessionFactory.getSession;
+
+//import org.openecomp.sdc.notification.dao.types.LastSeenNotificationEntity;
+//import java.util.Optional;
+
+public class NotificationsDaoCassandraImpl extends CassandraBaseDao<NotificationEntity>
+    implements NotificationsDao {
+
+    private static final NoSqlDb noSqlDb = NoSqlDbFactory.getInstance().createInterface();
+    private static final Mapper<NotificationEntity> mapper =
+        noSqlDb.getMappingManager().mapper(NotificationEntity.class);
+    private static final NotificationsAccessor accessor =
+        noSqlDb.getMappingManager().createAccessor(NotificationsAccessor.class);
+
+    @Override
+    protected Mapper<NotificationEntity> getMapper() {
+        return mapper;
+    }
+
+    @Override
+    protected Object[] getKeys(NotificationEntity entity) {
+        return new Object[]{entity.getOwnerId(), entity.getEventId()};
+    }
+
+    @Override
+    public List<NotificationEntity> list(NotificationEntity entity) {
+        return accessor.list(entity.getOwnerId()).all();
+    }
+
+    @Override
+    public List<NotificationEntity> getNotificationsByOwnerId(String ownerId, int limit) {
+        return accessor.getNotifications(ownerId, limit).all();
+    }
+
+    @Override
+    public List<NotificationEntity> getNewNotificationsByOwnerId(String ownerId, UUID eventId) {
+        return getNewNotificationsByOwnerId(ownerId, eventId,
+            DEFAULT_LIMIT_OF_RESULTS_FOR_OWNER_NOTIFICATIONS);
+    }
+
+    @Override
+    public List<NotificationEntity> getNewNotificationsByOwnerId(String ownerId, UUID eventId, int limit) {
+        if (Objects.isNull(eventId)) {
+            return getNotificationsByOwnerId(ownerId, limit);
+        }
+        return accessor.getNewNotifications(ownerId, eventId, limit).all();
+    }
+
+    @Override
+    public void markNotificationAsRead(String ownerId, Collection<UUID> eventIds) {
+        eventIds.forEach(eventId -> accessor.markAsRead(ownerId, eventId));
+    }
+
+    @Override
+    public NotificationsStatus getNotificationsStatus(String ownerId, UUID lastScannedEventId, int numOfRecordsToReturn) {
+	NotificationsStatusImpl notificationsStatus = new NotificationsStatusImpl();
+	List<NotificationEntity> entities = accessor.getNotifications(ownerId, numOfRecordsToReturn).all();
+        if (CollectionUtils.isNotEmpty(entities)) {
+            long lastSeen = UUIDs.unixTimestamp(lastScannedEventId);
+            populateNewNotifications(notificationsStatus, entities, lastSeen);
+            UUID firstScannedEventId = entities.get(0).getEventId();
+		notificationsStatus.setLastScanned(firstScannedEventId);
+		notificationsStatus.setNumOfNotSeenNotifications(accessor.getNewNotificationsCount(ownerId, lastScannedEventId, firstScannedEventId).one().getLong(0));
+        }
+	return notificationsStatus;
+    }
+
+    private void populateNewNotifications(NotificationsStatusImpl notificationsStatus, List<NotificationEntity> entities, long lastSeen) {
+        for (NotificationEntity entity : entities) {
+            UUID eventId = entity.getEventId();
+            notificationsStatus.addNotification(entity);
+            if (UUIDs.unixTimestamp(eventId) > lastSeen) {
+                notificationsStatus.addNewNotificationUUID(eventId);
+            }
+        }
+    }
+
+    @Override
+    public NotificationsStatus getNotificationsStatus(String ownerId, UUID lastSeenNotification, int numOfRecordsToReturn, UUID prevLastScannedEventId) {
+	NotificationsStatusImpl notificationsStatus = new NotificationsStatusImpl();
+	List<NotificationEntity> entities = accessor.getPrevNotifications(ownerId, prevLastScannedEventId, numOfRecordsToReturn).all();
+        if (CollectionUtils.isNotEmpty(entities)) {
+		long lastSeen = UUIDs.unixTimestamp(lastSeenNotification);
+            populateNewNotifications(notificationsStatus, entities, lastSeen);
+        }
+	return notificationsStatus;
+    }
+
+/*
+    @Override
+    public NotificationsStatus getNotificationsStatus(String ownerId,
+                                                      LastSeenNotificationEntity lastSeenNotification,
+                                                      int numOfRecordsToReturn) {
+
+        List<NotificationEntity> notificationEntities =
+            fetchNewNotifications(lastSeenNotification, numOfRecordsToReturn);
+        NotificationsStatusImpl notificationsStatus = new NotificationsStatusImpl();
+        if (CollectionUtils.isEmpty(notificationEntities)) {
+            return notificationsStatus;
+        }
+
+        notificationEntities.forEach(notification -> {
+            if (isNewNotification(lastSeenNotification, notification)) {
+                notificationsStatus.addNewNotificationUUID(notification.getEventId());
+            }
+            notificationsStatus.addNotification(notification);
+        });
+
+        Optional<NotificationEntity> latestNotification = notificationEntities.stream().findFirst();
+        latestNotification.ifPresent(e -> notificationsStatus.setLastScanned(e.getEventId()));
+        return notificationsStatus;
+    }
+
+    private List<NotificationEntity> fetchNewNotifications(
+        LastSeenNotificationEntity lastSeenNotification, int numOfRecordsToReturn) {
+        String ownerId = lastSeenNotification.getOwnerId();
+        UUID lastEventId = lastSeenNotification.getLastEventId();
+        List<NotificationEntity> newNotificationsByOwnerId =
+            getNewNotificationsByOwnerId(ownerId, lastEventId);
+        newNotificationsByOwnerId = fetchMoreIfNeeded(ownerId, newNotificationsByOwnerId,
+            numOfRecordsToReturn, lastEventId);
+        return newNotificationsByOwnerId;
+    }
+
+    private boolean isNewNotification(LastSeenNotificationEntity lastSeenNotification,
+                                      NotificationEntity notification) {
+        return Objects.isNull(lastSeenNotification.getLastEventId()) ||
+            UUIDs.unixTimestamp(notification.getEventId()) >
+                UUIDs.unixTimestamp(lastSeenNotification.getLastEventId());
+    }
+*/
+
+    @Override
+    public void createBatch(List<NotificationEntity> notificationEntities) {
+        BatchStatement batch = new BatchStatement();
+        List<Statement> statements = notificationEntities.stream()
+            .map(mapper::saveQuery)
+            .collect(Collectors.toList());
+        batch.addAll(statements);
+        getSession().execute(batch);
+    }
+
+    @Accessor
+    interface NotificationsAccessor {
+
+        @Query("select * from notifications where owner_id=?")
+        Result<NotificationEntity> list(String ownerId);
+
+        @Query("select * from notifications where owner_id=? limit ?")
+        Result<NotificationEntity> getNotifications(String ownerId, int limit);
+
+        @Query("select * from notifications where owner_id=? and event_id > ? limit ?")
+        Result<NotificationEntity> getNewNotifications(String ownerId, UUID lastScannedEventId, int limit);
+
+        @Query("select * from notifications where owner_id=? and event_id < ? limit ?")
+        Result<NotificationEntity> getPrevNotifications(String ownerId, UUID prevLastScannedEventId, int limit);
+
+        @Query("select count(*) from notifications where owner_id=? and event_id > ? and event_id <= ?")
+        ResultSet getNewNotificationsCount(String ownerId, UUID lastScannedEventId, UUID firstScannedEventId);
+
+        @Query("update notifications set read=true where owner_id=? and event_id=?")
+        ResultSet markAsRead(String ownerId, UUID eventId);
+    }
+
+    private class NotificationsStatusImpl implements NotificationsStatus {
+
+        private List<NotificationEntity> notifications = new ArrayList<>();
+        private List<UUID> newEntries = new ArrayList<>();
+        private UUID lastScanned;
+        private UUID endOfPage;
+        private long numOfNotSeenNotifications = 0;
+
+        void addNotification(NotificationEntity notification) {
+            notifications.add(notification);
+            endOfPage = notification.getEventId();
+        }
+
+        void addNewNotificationUUID(UUID notificationUuid) {
+            newEntries.add(notificationUuid);
+        }
+
+        @Override
+        public List<NotificationEntity> getNotifications() {
+            return Collections.unmodifiableList(notifications);
+        }
+
+        @Override
+        public List<UUID> getNewEntries() {
+            return Collections.unmodifiableList(newEntries);
+        }
+
+        @Override
+        public UUID getLastScanned() {
+            return lastScanned;
+        }
+
+        void setLastScanned(UUID lastScanned) {
+            this.lastScanned = lastScanned;
+        }
+
+        @Override
+        public UUID getEndOfPage() {
+            return endOfPage;
+        }
+
+        @Override
+        public long getNumOfNotSeenNotifications() {
+            return numOfNotSeenNotifications;
+        }
+
+        void setNumOfNotSeenNotifications(long numOfNotSeenNotifications) {
+            this.numOfNotSeenNotifications = numOfNotSeenNotifications;
+        }
+    }
+
+/*
+    private List<NotificationEntity> fetchMoreIfNeeded(String ownerId,
+                                                       List<NotificationEntity> notificationEntities,
+                                                       int numOfRecordsToReturn, UUID lastEventId) {
+
+        if (numOfRecordsToReturn <= notificationEntities.size() || Objects.isNull(lastEventId)) {
+            return notificationEntities;
+        }
+
+        int multiplier = 2;
+        while (numOfRecordsToReturn > notificationEntities.size()) {
+
+            int bring = notificationEntities.size() +
+                (numOfRecordsToReturn - notificationEntities.size()) * multiplier;
+            notificationEntities = getNotificationsByOwnerId(ownerId, bring);
+
+            if (notificationEntities.size() < bring) {
+                return notificationEntities;
+            }
+            multiplier++;
+        }
+        return notificationEntities;
+    }
+*/
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/dao/impl/SubscribersDaoCassandraImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/dao/impl/SubscribersDaoCassandraImpl.java
new file mode 100644
index 0000000000..8e8cf9b181
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/dao/impl/SubscribersDaoCassandraImpl.java
@@ -0,0 +1,104 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.dao.impl;
+
+import com.datastax.driver.mapping.Mapper;
+import com.datastax.driver.mapping.Result;
+import com.datastax.driver.mapping.annotations.Accessor;
+import com.datastax.driver.mapping.annotations.Query;
+import com.google.common.collect.Sets;
+import org.openecomp.core.dao.impl.CassandraBaseDao;
+import org.openecomp.core.nosqldb.api.NoSqlDb;
+import org.openecomp.core.nosqldb.factory.NoSqlDbFactory;
+import org.openecomp.sdc.notification.dao.SubscribersDao;
+import org.openecomp.sdc.notification.dao.types.SubscribersEntity;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Objects;
+import java.util.Set;
+
+import static java.util.Objects.isNull;
+
+public class SubscribersDaoCassandraImpl extends CassandraBaseDao<SubscribersEntity> implements
+        SubscribersDao {
+
+    private static final NoSqlDb noSqlDb = NoSqlDbFactory.getInstance().createInterface();
+    private static final Mapper<SubscribersEntity> mapper =
+            noSqlDb.getMappingManager().mapper(SubscribersEntity.class);
+    private static final SubscribersAccessor accessor =
+            noSqlDb.getMappingManager().createAccessor(SubscribersAccessor.class);
+
+
+    @Override
+    protected Object[] getKeys(SubscribersEntity entity) {
+        return new Object[]{entity.getEntityId()};
+    }
+
+    @Override
+    protected Mapper<SubscribersEntity> getMapper() {
+        return mapper;
+    }
+
+    @Override
+    public void subscribe(String ownerId, String entityId) {
+        Objects.requireNonNull(ownerId);
+        Objects.requireNonNull(entityId);
+        accessor.subscribe(Sets.newHashSet(ownerId), entityId);
+    }
+
+    @Override
+    @Deprecated
+    public Collection<SubscribersEntity> list(SubscribersEntity entity) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void unsubscribe(String ownerId, String entityId) {
+        Objects.requireNonNull(ownerId);
+        Objects.requireNonNull(entityId);
+        accessor.unsubscribe(Sets.newHashSet(ownerId), entityId);
+    }
+
+    @Override
+    public Set<String> getSubscribers(String entityId) {
+        Objects.requireNonNull(entityId);
+        SubscribersEntity subscribersEntity = accessor.getSubscribers(entityId).one();
+        if (isNull(subscribersEntity)) {
+            return Collections.emptySet();
+        }
+        return subscribersEntity.getSubscribers();
+    }
+
+    @Accessor
+    interface SubscribersAccessor {
+
+        @Query("select * from notification_subscribers where entity_id=?")
+        Result<SubscribersEntity> getSubscribers(String entityId);
+
+        @Query("update notification_subscribers set subscribers=subscribers+? WHERE entity_id=?")
+        void subscribe(Set<String> ownerId, String entityId);
+
+        @Query("update notification_subscribers set subscribers=subscribers-? WHERE entity_id=?")
+        void unsubscribe(Set<String> ownerId, String entityId);
+    }
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/LastNotificationDaoFactoryImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/LastNotificationDaoFactoryImpl.java
new file mode 100644
index 0000000000..7ac9e00967
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/LastNotificationDaoFactoryImpl.java
@@ -0,0 +1,19 @@
+package org.openecomp.sdc.notification.factories.impl;
+
+import org.openecomp.sdc.notification.dao.LastNotificationDao;
+import org.openecomp.sdc.notification.dao.impl.LastNotificationDaoCassandraImpl;
+import org.openecomp.sdc.notification.factories.LastNotificationDaoFactory;
+
+/**
+ * @author itzikpa
+ * @since June 23, 2017
+ */
+
+public class LastNotificationDaoFactoryImpl extends LastNotificationDaoFactory {
+  private static final LastNotificationDao INSTANCE = new LastNotificationDaoCassandraImpl();
+
+  @Override
+  public LastNotificationDao createInterface() {
+    return INSTANCE;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/NotificationPropagationManagerFactoryImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/NotificationPropagationManagerFactoryImpl.java
new file mode 100644
index 0000000000..7b9e51e8c9
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/NotificationPropagationManagerFactoryImpl.java
@@ -0,0 +1,19 @@
+package org.openecomp.sdc.notification.factories.impl;
+
+import org.openecomp.sdc.notification.factories.NotificationPropagationManagerFactory;
+import org.openecomp.sdc.notification.factories.PropagationServiceFactory;
+import org.openecomp.sdc.notification.factories.SubscriptionServiceFactory;
+import org.openecomp.sdc.notification.services.NotificationPropagationManager;
+import org.openecomp.sdc.notification.services.impl.NotificationPropagationManagerImpl;
+
+public class NotificationPropagationManagerFactoryImpl extends
+    NotificationPropagationManagerFactory {
+    private static final NotificationPropagationManager INSTANCE = new NotificationPropagationManagerImpl(
+            PropagationServiceFactory.getInstance().createInterface(), SubscriptionServiceFactory
+        .getInstance().createInterface());
+
+    @Override
+    public NotificationPropagationManager createInterface() {
+        return INSTANCE;
+    }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/NotificationsDaoFactoryImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/NotificationsDaoFactoryImpl.java
new file mode 100644
index 0000000000..edb020637b
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/NotificationsDaoFactoryImpl.java
@@ -0,0 +1,18 @@
+package org.openecomp.sdc.notification.factories.impl;
+
+import org.openecomp.sdc.notification.dao.NotificationsDao;
+import org.openecomp.sdc.notification.dao.impl.NotificationsDaoCassandraImpl;
+import org.openecomp.sdc.notification.factories.NotificationsDaoFactory;
+
+/**
+ * @author Avrahamg
+ * @since June 20, 2017
+ */
+public class NotificationsDaoFactoryImpl extends NotificationsDaoFactory {
+  private static final NotificationsDao INSTANCE = new NotificationsDaoCassandraImpl();
+
+  @Override
+  public NotificationsDao createInterface() {
+    return INSTANCE;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/NotificationsServiceFactoryImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/NotificationsServiceFactoryImpl.java
new file mode 100644
index 0000000000..ac265e3c8c
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/NotificationsServiceFactoryImpl.java
@@ -0,0 +1,22 @@
+package org.openecomp.sdc.notification.factories.impl;
+
+import org.openecomp.sdc.notification.factories.LastNotificationDaoFactory;
+import org.openecomp.sdc.notification.factories.NotificationsDaoFactory;
+import org.openecomp.sdc.notification.factories.NotificationsServiceFactory;
+import org.openecomp.sdc.notification.services.NotificationsService;
+import org.openecomp.sdc.notification.services.impl.NotificationsServiceImpl;
+
+/**
+ * @author Avrahamg
+ * @since June 20, 2017
+ */
+public class NotificationsServiceFactoryImpl extends NotificationsServiceFactory {
+  private static final NotificationsService INSTANCE = new NotificationsServiceImpl(
+      LastNotificationDaoFactory.getInstance().createInterface(), NotificationsDaoFactory
+      .getInstance().createInterface());
+
+  @Override
+  public NotificationsService createInterface() {
+    return INSTANCE;
+  }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/PropagationServiceFactoryImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/PropagationServiceFactoryImpl.java
new file mode 100644
index 0000000000..e5987fe266
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/PropagationServiceFactoryImpl.java
@@ -0,0 +1,16 @@
+package org.openecomp.sdc.notification.factories.impl;
+
+import org.openecomp.sdc.notification.factories.NotificationsDaoFactory;
+import org.openecomp.sdc.notification.factories.PropagationServiceFactory;
+import org.openecomp.sdc.notification.services.PropagationService;
+import org.openecomp.sdc.notification.services.impl.PropagationServiceImpl;
+
+public class PropagationServiceFactoryImpl extends PropagationServiceFactory {
+    private static final PropagationService INSTANCE = new PropagationServiceImpl(
+            NotificationsDaoFactory.getInstance().createInterface());
+
+    @Override
+    public PropagationService createInterface() {
+        return INSTANCE;
+    }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/SubscribersDaoFactoryImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/SubscribersDaoFactoryImpl.java
new file mode 100644
index 0000000000..fb87b944f9
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/SubscribersDaoFactoryImpl.java
@@ -0,0 +1,15 @@
+package org.openecomp.sdc.notification.factories.impl;
+
+import org.openecomp.sdc.notification.dao.SubscribersDao;
+import org.openecomp.sdc.notification.dao.impl.SubscribersDaoCassandraImpl;
+import org.openecomp.sdc.notification.factories.SubscribersDaoFactory;
+
+
+public class SubscribersDaoFactoryImpl extends SubscribersDaoFactory {
+    private static final SubscribersDao INSTANCE = new SubscribersDaoCassandraImpl();
+
+    @Override
+    public SubscribersDao createInterface() {
+        return INSTANCE;
+    }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/SubscriptionServiceFactoryImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/SubscriptionServiceFactoryImpl.java
new file mode 100644
index 0000000000..604cff0b5e
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/factories/impl/SubscriptionServiceFactoryImpl.java
@@ -0,0 +1,17 @@
+package org.openecomp.sdc.notification.factories.impl;
+
+import org.openecomp.sdc.notification.factories.SubscribersDaoFactory;
+import org.openecomp.sdc.notification.factories.SubscriptionServiceFactory;
+import org.openecomp.sdc.notification.services.SubscriptionService;
+import org.openecomp.sdc.notification.services.impl.SubscriptionServiceImpl;
+
+
+public class SubscriptionServiceFactoryImpl extends SubscriptionServiceFactory {
+    private static final SubscriptionService INSTANCE = new SubscriptionServiceImpl
+        (SubscribersDaoFactory.getInstance().createInterface());
+
+    @Override
+    public SubscriptionService createInterface() {
+        return INSTANCE;
+    }
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/NotificationPropagationManagerImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/NotificationPropagationManagerImpl.java
new file mode 100644
index 0000000000..d381268b3f
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/NotificationPropagationManagerImpl.java
@@ -0,0 +1,35 @@
+package org.openecomp.sdc.notification.services.impl;
+
+import org.openecomp.sdc.destinationprovider.impl.MulticastDestination;
+import org.openecomp.sdc.destinationprovider.impl.UnicastDestination;
+import org.openecomp.sdc.notification.dtos.Event;
+import org.openecomp.sdc.notification.services.NotificationPropagationManager;
+import org.openecomp.sdc.notification.services.PropagationService;
+import org.openecomp.sdc.notification.services.SubscriptionService;
+
+/**
+ * @author avrahamg
+ * @since July 10, 2017
+ */
+public class NotificationPropagationManagerImpl implements NotificationPropagationManager {
+
+    private PropagationService propagationService;
+    private SubscriptionService subscriptionService;
+
+    public NotificationPropagationManagerImpl(PropagationService propagationService,
+                                              SubscriptionService subscriptionService) {
+        this.propagationService = propagationService;
+        this.subscriptionService = subscriptionService;
+    }
+
+    @Override
+    public void notifySubscribers(Event event, String ... excludedSubscribers) {
+        propagationService.notify(event, new MulticastDestination(event.getEntityId(),
+            subscriptionService, excludedSubscribers));
+    }
+
+    @Override
+    public void directNotification(Event event, String destinationId) {
+        propagationService.notify(event, new UnicastDestination(destinationId));
+    }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/NotificationsServiceImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/NotificationsServiceImpl.java
new file mode 100644
index 0000000000..8a7ab8bdae
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/NotificationsServiceImpl.java
@@ -0,0 +1,92 @@
+package org.openecomp.sdc.notification.services.impl;
+
+import org.openecomp.sdc.notification.dao.LastNotificationDao;
+import org.openecomp.sdc.notification.dao.NotificationsDao;
+import org.openecomp.sdc.notification.dao.types.LastSeenNotificationEntity;
+import org.openecomp.sdc.notification.dao.types.NotificationEntity;
+import org.openecomp.sdc.notification.dtos.NotificationsStatus;
+import org.openecomp.sdc.notification.exceptons.NotificationNotExistException;
+import org.openecomp.sdc.notification.services.NotificationsService;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.UUID;
+
+/**
+ * @author Avrahamg
+ * @since June 26, 2017
+ */
+public class NotificationsServiceImpl implements NotificationsService {
+
+    private LastNotificationDao lastNotificationDao;
+    private NotificationsDao notificationsDao;
+
+    public NotificationsServiceImpl(LastNotificationDao lastNotificationDao,
+                                    NotificationsDao notificationsDao) {
+        this.lastNotificationDao = lastNotificationDao;
+        this.notificationsDao = notificationsDao;
+    }
+
+    @Override
+    public LastSeenNotificationEntity getLastNotification(String ownerId) {
+        return new LastSeenNotificationEntity(ownerId,
+            lastNotificationDao.getOwnerLastEventId(ownerId));
+    }
+
+    @Override
+    public void updateLastSeenNotification(String ownerId, UUID eventId)
+    {
+        lastNotificationDao.persistOwnerLastEventId(ownerId, eventId);
+    }
+
+    @Override
+    public NotificationsStatus getNotificationsStatus(String ownerId, UUID lastDelivered, int numOfRecordsToReturn, UUID endOfPage) {
+	if (Objects.isNull(lastDelivered)) {
+		LastSeenNotificationEntity entity = getLastNotification(ownerId);
+		if (Objects.nonNull(entity)) {
+			lastDelivered = entity.getLastEventId();
+		}
+		if (Objects.isNull(lastDelivered)) {
+			lastDelivered = UUID.fromString("00000000-0000-1000-8080-808080808080"); // Lowest time UUID value
+		}
+	}
+	if (Objects.isNull(endOfPage)) {
+		// First page
+	        return notificationsDao.getNotificationsStatus(ownerId, lastDelivered, numOfRecordsToReturn);
+	}
+	else {
+		// Next page
+            return notificationsDao.getNotificationsStatus(ownerId, lastDelivered, numOfRecordsToReturn, endOfPage);
+	}
+    }
+
+    @Override
+    public void markAsRead(String ownerId, String notificationId) throws
+        NotificationNotExistException {
+        NotificationEntity notificationEntity =
+            notificationsDao.get(new NotificationEntity(ownerId, UUID.fromString(notificationId)));
+        if (Objects.isNull(notificationEntity)) {
+            throw new NotificationNotExistException(
+                "Notification '" + notificationId + "' is not related to ownerId" +
+                    " '" + ownerId + "'");
+        }
+        notificationEntity.setRead(true);
+        notificationsDao.update(notificationEntity);
+    }
+
+    @Override
+    public List<NotificationEntity> getNotificationsByOwnerId(String ownerId, int limit) {
+	return notificationsDao.getNotificationsByOwnerId(ownerId, limit);
+    }
+
+    @Override
+    public List<NotificationEntity> getNewNotificationsByOwnerId(String ownerId, UUID eventId) {
+	return notificationsDao.getNewNotificationsByOwnerId(ownerId, eventId);
+    }
+
+    @Override
+    public List<NotificationEntity> getNewNotificationsByOwnerId(String ownerId, UUID eventId, int limit) {
+	return notificationsDao.getNewNotificationsByOwnerId(ownerId, eventId, limit);
+    }
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/PropagationServiceImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/PropagationServiceImpl.java
new file mode 100644
index 0000000000..99d35b3726
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/PropagationServiceImpl.java
@@ -0,0 +1,78 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.services.impl;
+
+import com.datastax.driver.core.utils.UUIDs;
+import org.apache.commons.collections4.CollectionUtils;
+import org.openecomp.core.utilities.json.JsonUtil;
+import org.openecomp.sdc.destinationprovider.DestinationProvider;
+import org.openecomp.sdc.notification.dao.NotificationsDao;
+import org.openecomp.sdc.notification.dao.types.NotificationEntity;
+import org.openecomp.sdc.notification.dtos.Event;
+import org.openecomp.sdc.notification.services.PropagationService;
+
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+import static java.util.Objects.requireNonNull;
+
+public class PropagationServiceImpl implements PropagationService {
+
+    private NotificationsDao notificationsDao;
+
+    public PropagationServiceImpl(NotificationsDao notificationsDao) {
+        this.notificationsDao = notificationsDao;
+    }
+
+
+    @Override
+    public void notify(Event event, DestinationProvider destinationProvider) {
+        requireNonNull(event.getEventType());
+        requireNonNull(event.getOriginatorId());
+        List<String> subscribers = destinationProvider.getSubscribers();
+        if (CollectionUtils.isEmpty(subscribers)) {
+            return;
+        }
+        List<NotificationEntity> notificationEntities = subscribers.stream().map(
+            subscriber -> {
+                UUID eventId = UUIDs.timeBased();
+                return createNotificationEntity(event.getEventType(), subscriber,
+                    event.getOriginatorId(), event.getAttributes(), eventId);
+            }).collect(Collectors.toList());
+        if(CollectionUtils.isNotEmpty(notificationEntities)) {
+            notificationsDao.createBatch(notificationEntities);
+        }
+    }
+
+    private NotificationEntity createNotificationEntity(String eventType, String subscriber,
+                                                        String originatorId,
+                                                        Map<String, Object> attributes,
+                                                        UUID eventId) {
+        NotificationEntity notificationEntity =
+            new NotificationEntity(subscriber, eventId, eventType, originatorId);
+        if (attributes != null && !attributes.isEmpty()) {
+            notificationEntity.setEventAttributes(JsonUtil.object2Json(attributes));
+        }
+        return notificationEntity;
+    }
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/SubscriptionServiceImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/SubscriptionServiceImpl.java
new file mode 100644
index 0000000000..2a12463fae
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/SubscriptionServiceImpl.java
@@ -0,0 +1,50 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.services.impl;
+
+import org.openecomp.sdc.notification.dao.SubscribersDao;
+import org.openecomp.sdc.notification.services.SubscriptionService;
+
+import java.util.Set;
+
+public class SubscriptionServiceImpl implements SubscriptionService {
+
+    private SubscribersDao subscribersDao;
+
+    public SubscriptionServiceImpl(SubscribersDao subscribersDao) {
+        this.subscribersDao = subscribersDao;
+    }
+
+    @Override
+    public void subscribe(String ownerId, String entityId) {
+        subscribersDao.subscribe(ownerId, entityId);
+    }
+
+    @Override
+    public void unsubscribe(String ownerId, String entityId) {
+        subscribersDao.unsubscribe(ownerId, entityId);
+    }
+
+    @Override
+    public Set<String> getSubscribers(String entityId) {
+        return subscribersDao.getSubscribers(entityId);
+    }
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/resources/factoryConfiguration.json b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/resources/factoryConfiguration.json
new file mode 100644
index 0000000000..3f1bdf3656
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/resources/factoryConfiguration.json
@@ -0,0 +1,9 @@
+{
+  "org.openecomp.sdc.notification.factories.LastNotificationDaoFactory": "org.openecomp.sdc.notification.factories.impl.LastNotificationDaoFactoryImpl",
+  "org.openecomp.sdc.notification.factories.NotificationsDaoFactory": "org.openecomp.sdc.notification.factories.impl.NotificationsDaoFactoryImpl",
+  "org.openecomp.sdc.notification.factories.NotificationsServiceFactory": "org.openecomp.sdc.notification.factories.impl.NotificationsServiceFactoryImpl",
+  "org.openecomp.sdc.notification.factories.SubscribersDaoFactory": "org.openecomp.sdc.notification.factories.impl.SubscribersDaoFactoryImpl",
+  "org.openecomp.sdc.notification.factories.PropagationServiceFactory": "org.openecomp.sdc.notification.factories.impl.PropagationServiceFactoryImpl",
+  "org.openecomp.sdc.notification.factories.SubscriptionServiceFactory": "org.openecomp.sdc.notification.factories.impl.SubscriptionServiceFactoryImpl",
+  "org.openecomp.sdc.notification.factories.NotificationPropagationManagerFactory": "org.openecomp.sdc.notification.factories.impl.NotificationPropagationManagerFactoryImpl"
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/test/java/org/openecomp/sdc/destinationprovider/impl/MulticastDestinationTest.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/test/java/org/openecomp/sdc/destinationprovider/impl/MulticastDestinationTest.java
new file mode 100644
index 0000000000..a0dd00632e
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/test/java/org/openecomp/sdc/destinationprovider/impl/MulticastDestinationTest.java
@@ -0,0 +1,67 @@
+package org.openecomp.sdc.destinationprovider.impl;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.openecomp.sdc.notification.services.SubscriptionService;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.doReturn;
+
+/**
+ * @author avrahamg
+ * @since July 13, 2017
+ */
+public class MulticastDestinationTest {
+    @Mock
+    private SubscriptionService subscriptionServiceMock;
+
+    private final String excludedSubscriber = "excluded";
+    private Set<String> subscribers = new HashSet<>(Arrays.asList("a", "b", excludedSubscriber));
+    private MulticastDestination multicastDestination;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void shouldReturnAllSubscribersIfNoExcludedProvided() throws Exception {
+        doReturn(subscribers).when(subscriptionServiceMock).getSubscribers(any());
+        multicastDestination = new MulticastDestination("aa", subscriptionServiceMock);
+        assertEquals(subscribers.size(), multicastDestination.getSubscribers().size());
+        List<String> actualSubscribers = multicastDestination.getSubscribers();
+        assertTrue(actualSubscribers.containsAll(subscribers));
+    }
+
+    @Test
+    public void shouldReturnAllSubscribersExceptExcluded() throws Exception {
+        doReturn(subscribers).when(subscriptionServiceMock).getSubscribers(any());
+        multicastDestination =
+            new MulticastDestination("aa", subscriptionServiceMock, excludedSubscriber);
+        List<String> actualSubscribers = multicastDestination.getSubscribers();
+        assertNotEquals(this.subscribers.size(), actualSubscribers.size());
+        assertFalse(actualSubscribers.containsAll(subscribers));
+        assertFalse(actualSubscribers.contains(excludedSubscriber));
+    }
+
+    @Test(expected = UnsupportedOperationException.class)
+    public void shouldThrowUnsupportedOperationExceptionWhenTryingToChangeSubscribersList() throws
+        Exception {
+        doReturn(subscribers).when(subscriptionServiceMock).getSubscribers(any());
+        multicastDestination =
+            new MulticastDestination("aa", subscriptionServiceMock, excludedSubscriber);
+        List<String> actualSubscribers = multicastDestination.getSubscribers();
+        actualSubscribers.add("sss");
+    }
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/test/java/org/openecomp/sdc/notification/services/impl/NotificationPropagationManagerImplTest.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/test/java/org/openecomp/sdc/notification/services/impl/NotificationPropagationManagerImplTest.java
new file mode 100644
index 0000000000..0eb2b6235c
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/test/java/org/openecomp/sdc/notification/services/impl/NotificationPropagationManagerImplTest.java
@@ -0,0 +1,64 @@
+package org.openecomp.sdc.notification.services.impl;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.InjectMocks;
+import org.mockito.Matchers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.Spy;
+import org.openecomp.sdc.destinationprovider.DestinationProvider;
+import org.openecomp.sdc.destinationprovider.impl.MulticastDestination;
+import org.openecomp.sdc.destinationprovider.impl.UnicastDestination;
+import org.openecomp.sdc.notification.dtos.Event;
+import org.openecomp.sdc.notification.services.PropagationService;
+import org.openecomp.sdc.notification.services.SubscriptionService;
+
+import static org.mockito.Mockito.verify;
+
+
+/**
+ * @author avrahamg
+ * @since July 13, 2017
+ */
+public class NotificationPropagationManagerImplTest {
+    @Mock
+    private PropagationService propagationServiceMock;
+    @Mock
+    private SubscriptionService subscriptionServiceMock;
+    @Mock
+    private Event eventMock;
+    @Captor
+    private ArgumentCaptor<DestinationProvider> destinationProviderCaptor;
+
+    @Spy
+    @InjectMocks
+    private NotificationPropagationManagerImpl notificationPropagationManager;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void shouldCallPropagationServiceNotifyWithMulticastDestinationWhenNotifySubscribers()
+        throws Exception {
+        notificationPropagationManager.notifySubscribers(eventMock);
+        verify(propagationServiceMock).notify(Matchers.eq(eventMock), destinationProviderCaptor
+            .capture());
+        Assert.assertTrue(destinationProviderCaptor.getValue() instanceof MulticastDestination);
+
+    }
+
+    @Test
+    public void shouldCallPropagationServiceNotifyWithUnicastDestinationWhenDirectNotification()
+        throws Exception {
+        notificationPropagationManager.directNotification(eventMock, "aaa");
+        verify(propagationServiceMock).notify(Matchers.eq(eventMock), destinationProviderCaptor
+            .capture());
+        Assert.assertTrue(destinationProviderCaptor.getValue() instanceof UnicastDestination);
+    }
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/test/java/org/openecomp/sdc/notification/services/impl/NotificationsServiceImplTest.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/test/java/org/openecomp/sdc/notification/services/impl/NotificationsServiceImplTest.java
new file mode 100644
index 0000000000..a20d0cce45
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/test/java/org/openecomp/sdc/notification/services/impl/NotificationsServiceImplTest.java
@@ -0,0 +1,50 @@
+package org.openecomp.sdc.notification.services.impl;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.Spy;
+import org.openecomp.sdc.notification.dao.LastNotificationDao;
+import org.openecomp.sdc.notification.dao.NotificationsDao;
+import org.openecomp.sdc.notification.dao.types.NotificationEntity;
+import org.openecomp.sdc.notification.exceptons.NotificationNotExistException;
+
+import java.util.UUID;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+/**
+ * @author avrahamg
+ * @since July 13, 2017
+ */
+public class NotificationsServiceImplTest {
+    @Mock
+    private LastNotificationDao lastNotificationDao;
+    @Mock
+    private NotificationsDao notificationsDao;
+    @Spy
+    @InjectMocks
+    private NotificationsServiceImpl notificationsService;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    public void shouldCallNotificationsDaoIfNotificationEntityExist() throws Exception {
+        doReturn(new NotificationEntity()).when(notificationsDao).get(any());
+        notificationsService.markAsRead("ownerId", UUID.randomUUID().toString());
+        verify(notificationsDao, times(1)).update(any());
+    }
+
+    @Test(expected = NotificationNotExistException.class)
+    public void shouldThrowExceptionIfOwnerIdAndNotificationIdDontRelate() throws Exception {
+        doReturn(null).when(notificationsDao).get(any());
+        notificationsService.markAsRead("ownerId", UUID.randomUUID().toString());
+    }
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/test/java/org/openecomp/sdc/notification/services/impl/PropagationServiceImplTest.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/test/java/org/openecomp/sdc/notification/services/impl/PropagationServiceImplTest.java
new file mode 100644
index 0000000000..866dec0d6d
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/test/java/org/openecomp/sdc/notification/services/impl/PropagationServiceImplTest.java
@@ -0,0 +1,96 @@
+package org.openecomp.sdc.notification.services.impl;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.Spy;
+import org.openecomp.sdc.destinationprovider.DestinationProvider;
+import org.openecomp.sdc.notification.dao.NotificationsDao;
+import org.openecomp.sdc.notification.dtos.Event;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+
+import static org.mockito.Matchers.anyList;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+
+/**
+ * @author avrahamg
+ * @since July 13, 2017
+ */
+public class PropagationServiceImplTest {
+    @Mock
+    private NotificationsDao notificationsDaoMock;
+    @Mock
+    private Event eventMock;
+    @Mock
+    private DestinationProvider destinationProviderMock;
+    @Captor
+    private ArgumentCaptor<List> createBatchCaptor;
+
+    @Rule
+    public ExpectedException thrown= ExpectedException.none();
+
+    @InjectMocks
+    @Spy
+    private PropagationServiceImpl propagationService;
+    private List<String> subscribersList = Arrays.asList("A1, A2, A3");;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        initEventMock();
+    }
+
+    @Test
+    public void shouldCallToNotificationsDaoWithCreateBatchWithNotificationEntitiesAsNumberOfSubscribers()
+        throws Exception {
+        doReturn(subscribersList).when(destinationProviderMock).getSubscribers();
+        propagationService.notify(eventMock, destinationProviderMock);
+        verify(notificationsDaoMock).createBatch(createBatchCaptor.capture());
+        Assert.assertEquals(createBatchCaptor.getValue().size(), subscribersList.size());
+    }
+
+    @Test
+    public void shouldNotCallNotificationDaoIfSubscriberIsNull() throws Exception {
+        doReturn(Collections.EMPTY_LIST).when(destinationProviderMock).getSubscribers();
+        verify(notificationsDaoMock,never()).createBatch(anyList());
+    }
+
+    @Test
+    public void shouldThrowExceptionIfEventTypeIsNull() throws Exception {
+        doReturn(null).when(eventMock).getEventType();
+        callToNotify();
+    }
+
+    @Test
+    public void shouldThrowExceptionIfOriginatorIdIsNull() throws Exception {
+        doReturn(null).when(eventMock).getOriginatorId();
+        callToNotify();
+    }
+
+    private void callToNotify() {
+        thrown.expect(NullPointerException.class);
+        propagationService.notify(eventMock, destinationProviderMock);
+    }
+
+    private void initEventMock() {
+        doReturn("eventType").when(eventMock).getEventType();
+        doReturn("originator").when(eventMock).getOriginatorId();
+        doReturn("entity").when(eventMock).getEntityId();
+        doReturn(new HashMap<>()).when(eventMock).getAttributes();
+    }
+
+
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-websocket/pom.xml b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-websocket/pom.xml
new file mode 100644
index 0000000000..abff87f1ad
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-websocket/pom.xml
@@ -0,0 +1,34 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <name>openecomp-sdc-notification-websocket</name>
+    <artifactId>openecomp-sdc-notification-websocket</artifactId>
+
+    <parent>
+        <groupId>org.openecomp.sdc</groupId>
+        <artifactId>openecomp-sdc-lib</artifactId>
+        <version>1.2.0-SNAPSHOT</version>
+        <relativePath>../..</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.openecomp.sdc</groupId>
+            <artifactId>openecomp-sdc-notification-worker</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-websocket</artifactId>
+            <version>4.3.4.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>2.3.1</version>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-websocket/src/main/java/org/openecomp/sdc/notification/websocket/NotificationWebsocketHandler.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-websocket/src/main/java/org/openecomp/sdc/notification/websocket/NotificationWebsocketHandler.java
new file mode 100644
index 0000000000..1e424631f7
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-websocket/src/main/java/org/openecomp/sdc/notification/websocket/NotificationWebsocketHandler.java
@@ -0,0 +1,130 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.websocket;
+
+import com.google.gson.Gson;
+import org.openecomp.sdc.logging.api.Logger;
+import org.openecomp.sdc.logging.api.LoggerFactory;
+import org.openecomp.sdc.notification.types.NotificationsStatusDto;
+import org.openecomp.sdc.notification.workers.NotificationWorker;
+import org.springframework.http.HttpHeaders;
+import org.springframework.web.socket.CloseStatus;
+import org.springframework.web.socket.TextMessage;
+import org.springframework.web.socket.WebSocketSession;
+import org.springframework.web.socket.handler.TextWebSocketHandler;
+
+import java.io.IOException;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.UUID;
+import java.util.function.Consumer;
+
+public class NotificationWebsocketHandler extends TextWebSocketHandler {
+
+	private static final String USER_ID_HEADER_PARAM = "USER_ID";
+	private static final String LAST_DELIVERED_QUERY_PARAM = "LAST_DELIVERED_EVENT_ID";
+	private static final String COOKIE = "Cookie";
+	private static Logger LOGGER = LoggerFactory.getLogger(NotificationWebsocketHandler.class);
+	private NotificationWorker worker;
+
+	public NotificationWebsocketHandler(NotificationWorker worker) {
+		super();
+		this.worker = Objects.requireNonNull(worker, "NotificationWorker object is not initialized.");
+	}
+
+	@Override
+    public void afterConnectionEstablished(WebSocketSession session) throws Exception {
+        super.afterConnectionEstablished(session);
+
+		String ownerId = getOwnerId(session);
+		if (ownerId == null) {
+			return;
+		}
+		UUID lastDelivered = getLastEventId(session);
+
+		Consumer<NotificationsStatusDto> notesProcessor = (notes) -> notifyReceiver(session, notes);
+
+		worker.register(ownerId, lastDelivered, notesProcessor);
+    }
+
+	@Override
+    public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception {
+		String ownerId = getOwnerId(session);
+		if (ownerId != null) {
+			worker.unregister(ownerId);
+		}
+	    super.afterConnectionClosed(session, status);
+    }
+
+	private void notifyReceiver(WebSocketSession session, NotificationsStatusDto notificationsStatusDto) {
+
+		try {
+			session.sendMessage(new TextMessage(new Gson().toJson(notificationsStatusDto)));
+		} catch (IOException e) {
+			LOGGER.error("IO Exception during Receiver notification.", e);
+		}
+	}
+
+    private String getOwnerId(WebSocketSession session) {
+
+        HttpHeaders handshakeHeaders = session.getHandshakeHeaders();
+        if (handshakeHeaders.containsKey(COOKIE)) {
+			String[] cookies = handshakeHeaders.get(COOKIE).get(0).split("; ");
+			Optional<String> cookie = extractValue(cookies, USER_ID_HEADER_PARAM);
+			if (cookie.isPresent()) {
+				return cookie.get();
+			}
+		}
+
+		LOGGER.error("No " + USER_ID_HEADER_PARAM + " specified in the session cookies.");
+		return null;
+    }
+
+    private UUID getLastEventId(WebSocketSession session) {
+
+        String uriQuery = session.getUri().getQuery();
+        if (uriQuery != null) {
+
+            String[] queries = uriQuery.split("; ");
+            Optional<String> paramValue = extractValue(queries, LAST_DELIVERED_QUERY_PARAM);
+            if (paramValue.isPresent()) {
+                return UUID.fromString(paramValue.get());
+            }
+        }
+
+        LOGGER.warn("No " + LAST_DELIVERED_QUERY_PARAM + " specified in the request URI.");
+        return null;
+    }
+
+	private Optional<String> extractValue(String[] pairs, String name) {
+
+		for (String nameValuePair : pairs) {
+
+            String[] value = nameValuePair.split("=");
+            if (value[0].equals(name)) {
+                return Optional.of(value[1]);
+            }
+        }
+
+		return Optional.empty();
+	}
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/pom.xml b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/pom.xml
new file mode 100644
index 0000000000..fb55d28017
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/pom.xml
@@ -0,0 +1,73 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <name>openecomp-sdc-notification-worker</name>
+    <artifactId>openecomp-sdc-notification-worker</artifactId>
+
+    <parent>
+        <groupId>org.openecomp.sdc</groupId>
+        <artifactId>openecomp-sdc-lib</artifactId>
+        <version>1.2.0-SNAPSHOT</version>
+        <relativePath>../..</relativePath>
+    </parent>
+
+    <dependencies>
+		<dependency>
+            <groupId>org.openecomp.sdc.core</groupId>
+            <artifactId>openecomp-utilities-lib</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.codehaus.jackson</groupId>
+            <artifactId>jackson-jaxrs</artifactId>
+            <version>${org.codehaus.jackson.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.codehaus.jackson</groupId>
+            <artifactId>jackson-core-asl</artifactId>
+            <version>${org.codehaus.jackson.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-websocket</artifactId>
+            <version>4.3.4.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>2.3.1</version>
+        </dependency>
+		<dependency>
+		    <groupId>com.googlecode.json-simple</groupId>
+		    <artifactId>json-simple</artifactId>
+		    <version>1.1</version>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.httpcomponents</groupId>
+			<artifactId>httpclient</artifactId>
+            <version>4.4.1</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.httpcomponents</groupId>
+			<artifactId>httpcore</artifactId>
+            <version>4.4.1</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+		<groupId>com.datastax.cassandra</groupId>
+		<artifactId>cassandra-driver-core</artifactId>
+		<version>2.0.1</version>
+		<scope>test</scope>
+		</dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+            <version>${junit.version}</version>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/config/ConfigurationManager.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/config/ConfigurationManager.java
new file mode 100644
index 0000000000..d960b8b9dc
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/config/ConfigurationManager.java
@@ -0,0 +1,113 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.config;
+
+import org.openecomp.sdc.logging.api.Logger;
+import org.openecomp.sdc.logging.api.LoggerFactory;
+import org.openecomp.sdc.tosca.services.YamlUtil;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.function.BiConsumer;
+
+public class ConfigurationManager {
+
+    private static final String CONFIGURATION_YAML_FILE = "onboarding_configuration.yaml";
+    private static final String NOTIFICATIONS_CONFIG = "notifications";
+
+    private LinkedHashMap<String, Object> notificationsConfiguration;
+    private static final Logger LOGGER = LoggerFactory.getLogger(ConfigurationManager.class);
+    private static final ConfigurationManager SINGLETON = new ConfigurationManager();
+
+    public static ConfigurationManager getInstance() {
+        return SINGLETON;
+    }
+
+    private ConfigurationManager() {
+        initConfiguration();
+    }
+
+    private void initConfiguration() {
+
+        YamlUtil yamlUtil = new YamlUtil();
+        readConfigurationFromStream(yamlUtil, (filename, stream) -> {
+
+            if (stream == null) {
+                LOGGER.warn("Configuration not found: " + filename + ". Using defaults");
+                return;
+            }
+
+            Map<String, LinkedHashMap<String, Object>> configurationMap = yamlUtil.yamlToMap(stream);
+            if (configurationMap == null) {
+                LOGGER.warn("Configuration cannot be parsed: " + filename + ". Using defaults");
+                return;
+            }
+
+            notificationsConfiguration = configurationMap.get(NOTIFICATIONS_CONFIG);
+            if (notificationsConfiguration == null) {
+                LOGGER.error(NOTIFICATIONS_CONFIG +
+                        " is missing in configuration file '" + filename + "'. Using defaults");
+            }
+        });
+    }
+
+    private void readConfigurationFromStream(YamlUtil yamlUtil,
+                                             BiConsumer<String, InputStream> reader) {
+
+        String configurationYamlFile = System.getProperty(CONFIGURATION_YAML_FILE);
+
+        try {
+
+            if (configurationYamlFile == null) {
+
+                try (InputStream inputStream =
+                             yamlUtil.loadYamlFileIs("/" + CONFIGURATION_YAML_FILE)) {
+                    reader.accept(CONFIGURATION_YAML_FILE, inputStream);
+                }
+
+            } else {
+
+                try (InputStream inputStream = new FileInputStream(configurationYamlFile)) {
+                    reader.accept(configurationYamlFile, inputStream);
+                }
+            }
+
+        } catch (IOException e) {
+            LOGGER.error("Failed to read configuration", e);
+        }
+    }
+
+    public <T> T getConfigValue(String name, T defaultValue) {
+
+        Object value = notificationsConfiguration.get(name);
+
+        try {
+            return value == null ? defaultValue : (T) value;
+        } catch (ClassCastException e) {
+            LOGGER.warn(String.format("Failed to read configuration property '%s' as requested type. Using default '%s'",
+                    name, defaultValue), e);
+            return defaultValue;
+        }
+    }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/types/NotificationEntityDto.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/types/NotificationEntityDto.java
new file mode 100644
index 0000000000..a415d9e081
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/types/NotificationEntityDto.java
@@ -0,0 +1,103 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.types;
+
+import java.util.Map;
+import java.util.UUID;
+
+public class NotificationEntityDto {
+  private boolean read;
+  private UUID eventId;
+  private String dateTime;
+  private String eventType;
+  private Map<String, Object> eventAttributes;
+
+  public NotificationEntityDto() {
+  }
+  public NotificationEntityDto(boolean read, UUID eventId, String eventType,
+                               Map<String, Object> eventAttributes) {
+    this.read = read;
+    this.eventId = eventId;
+    this.eventType = eventType;
+    this.eventAttributes = eventAttributes;
+  }
+
+  public NotificationEntityDto(boolean read, UUID eventId,String eventType,
+                               Map<String, Object> eventAttributes, String dateTime) {
+    this.read = read;
+    this.eventId = eventId;
+    this.dateTime = dateTime;
+    this.eventType = eventType;
+    this.eventAttributes = eventAttributes;
+  }
+
+  public boolean isRead() {
+    return read;
+  }
+
+  public void setRead(boolean read) {
+    this.read = read;
+  }
+
+  public UUID getEventId() {
+    return eventId;
+  }
+
+  public void setEventId(UUID eventId) {
+    this.eventId = eventId;
+  }
+
+  public String getEventType() {
+    return eventType;
+  }
+
+  public void setEventType(String eventType) {
+    this.eventType = eventType;
+  }
+
+  public Map<String, Object> getEventAttributes() {
+    return eventAttributes;
+  }
+
+  public void setEventAttributes(Map<String, Object> eventAttributes) {
+    this.eventAttributes = eventAttributes;
+  }
+
+  public String getDateTime() {
+    return dateTime;
+  }
+
+  public void setDateTime(String dateTime) {
+    this.dateTime = dateTime;
+  }
+
+  @Override
+  public String toString() {
+    return "NotificationEntityDto {"
+        + ", state='" + (read ? "Read" : "Noread") + '\''
+        + ", dateTime='" + dateTime + '\''
+        + ", eventId='" + eventId + '\''
+        + ", eventType='" + eventType + '\''
+        + ", eventAttributes='" + eventAttributes + '\''
+        + '}';
+  }
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/types/NotificationsStatusDto.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/types/NotificationsStatusDto.java
new file mode 100644
index 0000000000..fd8d32090e
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/types/NotificationsStatusDto.java
@@ -0,0 +1,72 @@
+package org.openecomp.sdc.notification.types;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+/**
+ * @author avrahamg
+ * @since June 29, 2017
+ */
+public class NotificationsStatusDto {
+    private List<NotificationEntityDto> notifications;
+    private List<UUID> newEntries = new ArrayList<>();
+    private UUID lastScanned;
+    private UUID endOfPage;
+    private long numOfNotSeenNotifications;
+
+    public NotificationsStatusDto() {
+    }
+
+    public List<NotificationEntityDto> getNotifications() {
+        return notifications;
+    }
+
+    public void setNotifications(
+        List<NotificationEntityDto> notifications) {
+        this.notifications = notifications;
+    }
+
+    public List<UUID> getNewEntries() {
+        return newEntries;
+    }
+
+    public void setNewEntries(List<UUID> newEntries) {
+        this.newEntries = newEntries;
+    }
+
+    public UUID getLastScanned() {
+        return lastScanned;
+    }
+
+    public void setLastScanned(UUID lastScanned) {
+        this.lastScanned = lastScanned;
+    }
+
+    public UUID getEndOfPage() {
+        return endOfPage;
+    }
+
+    public void setEndOfPage(UUID endOfPage) {
+        this.endOfPage = endOfPage;
+    }
+
+    public long getNumOfNotSeenNotifications() {
+        return numOfNotSeenNotifications;
+    }
+
+    public void setNumOfNotSeenNotifications(long numOfNotSeenNotifications) {
+        this.numOfNotSeenNotifications = numOfNotSeenNotifications;
+    }
+
+    @Override
+    public String toString() {
+        return "NotificationsStatusDto{" +
+                "notifications=" + notifications +
+                ", newEntries=" + newEntries +
+                ", lastScanned=" + lastScanned +
+                ", endOfPage=" + endOfPage +
+                ", numOfNotSeenNotifications=" + numOfNotSeenNotifications +
+                '}';
+    }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/workers/NewNotificationsReader.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/workers/NewNotificationsReader.java
new file mode 100644
index 0000000000..75b9f5c786
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/workers/NewNotificationsReader.java
@@ -0,0 +1,29 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.workers;
+
+import org.openecomp.sdc.notification.types.NotificationsStatusDto;
+
+import java.util.UUID;
+
+public interface NewNotificationsReader {
+	NotificationsStatusDto getNewNotifications(String ownerId, UUID eventId, int limit);
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/workers/NotificationReceiver.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/workers/NotificationReceiver.java
new file mode 100644
index 0000000000..ee802640c4
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/workers/NotificationReceiver.java
@@ -0,0 +1,69 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.workers;
+
+import org.openecomp.sdc.notification.types.NotificationsStatusDto;
+
+import java.util.UUID;
+import java.util.function.Consumer;
+
+
+
+public class NotificationReceiver {
+
+	public String ownerId = null;
+	public Consumer<NotificationsStatusDto> notesProcessor = null;
+	public UUID lastEventId = null;
+
+	NotificationReceiver(String ownerId, UUID lastEventId, Consumer<NotificationsStatusDto> notesProcessor) {
+		this.ownerId = ownerId;
+		this.lastEventId = lastEventId;
+		this.notesProcessor = notesProcessor;
+	}
+
+	NotificationReceiver(String ownerId, Consumer<NotificationsStatusDto> notesProcessor) {
+		this(ownerId, null, notesProcessor);
+	}
+
+	public void setOwnerId(String ownerId) {
+		this.ownerId = ownerId;
+	}
+
+	public String getOwnerId() {
+		return this.ownerId;
+	}
+
+	public void setNotesProcessor(Consumer<NotificationsStatusDto> notesProcessor) {
+		this.notesProcessor = notesProcessor;
+	}
+
+	public Consumer<NotificationsStatusDto> getNotesProcessor() {
+		return this.notesProcessor;
+	}
+
+	public void setLastEventId(UUID lastEventId) {
+		this.lastEventId = lastEventId;
+	}
+
+	public UUID getlastEventId() {
+		return this.lastEventId;
+	}
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/workers/NotificationWorker.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/workers/NotificationWorker.java
new file mode 100644
index 0000000000..e8c2006d5c
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/workers/NotificationWorker.java
@@ -0,0 +1,117 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.workers;
+
+import org.apache.commons.collections4.CollectionUtils;
+import org.openecomp.sdc.logging.api.Logger;
+import org.openecomp.sdc.logging.api.LoggerFactory;
+import org.openecomp.sdc.notification.config.ConfigurationManager;
+import org.openecomp.sdc.notification.types.NotificationsStatusDto;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.function.Consumer;
+
+public class NotificationWorker {
+
+	private static final int DEFAULT_POLLING_INTERVAL = 2000;
+	private static final String POLLING_INTERVAL = "pollingIntervalMsec";
+	private static final int DEFAULT_SELECTION_LIMIT = 10;
+	private static final String SELECTION_SIZE = "selectionSize";
+
+	private static boolean stopRunning = false;
+
+	private int selectionLimit = DEFAULT_SELECTION_LIMIT;
+	private int pollingSleepInterval = DEFAULT_POLLING_INTERVAL;
+
+	private static final Logger LOGGER = LoggerFactory.getLogger(NotificationWorker.class);
+
+	private static Map<String, NotificationReceiver> activeUsers = new ConcurrentHashMap<>();
+	private NewNotificationsReader news = null;
+
+	public NotificationWorker(NewNotificationsReader news) {
+		ConfigurationManager cm = ConfigurationManager.getInstance();
+		pollingSleepInterval = cm.getConfigValue(POLLING_INTERVAL, DEFAULT_POLLING_INTERVAL);
+		selectionLimit = cm.getConfigValue(SELECTION_SIZE, DEFAULT_SELECTION_LIMIT);
+
+		Objects.requireNonNull(news, "NotificationNews object is not initialized.");
+		this.news = news;
+
+		NotificationWorker.Poller p = new Poller();
+		Thread thread = new Thread(p);
+		thread.start();
+	}
+
+	public Map<String, NotificationReceiver> getActiveUsers() {
+		return activeUsers;
+	}
+
+	public class Poller extends Thread {
+		public void run() {
+			try {
+				while (!stopRunning) {
+					pollNotifications();
+					Thread.sleep(pollingSleepInterval);
+				}
+			}
+			catch (InterruptedException e) {
+				LOGGER.error("Interrupted Exception during Notification poller launch.", e);
+			}
+		}
+
+		private void pollNotifications() {
+
+			Map<String, NotificationReceiver> currUsers = new HashMap<>();
+			currUsers.putAll(getActiveUsers());
+
+			for (NotificationReceiver receiver : currUsers.values()) {
+				String ownerId = receiver.getOwnerId();
+				UUID eventId = receiver.getlastEventId();
+				NotificationsStatusDto status = news.getNewNotifications(ownerId, eventId, selectionLimit);
+				if(Objects.nonNull(status) && CollectionUtils.isNotEmpty(status.getNotifications())) {
+					receiver.setLastEventId(status.getLastScanned());
+					receiver.getNotesProcessor().accept(status);
+				}
+			}
+		}
+
+	}
+
+	public void register(String ownerId, UUID lastDelivered, Consumer<NotificationsStatusDto> notesProcessor) {
+		NotificationReceiver receiver = new NotificationReceiver(ownerId, lastDelivered, notesProcessor);
+		activeUsers.put(ownerId, receiver);
+		LOGGER.debug("User {} is registered with eventId: {}", ownerId, receiver.getlastEventId());
+	}
+
+	public void unregister(String ownerId) {
+		activeUsers.remove(ownerId);
+		LOGGER.debug("User {} is unregistered.", ownerId);
+	}
+
+	public void stopPolling() {
+		LOGGER.debug("Stop notification polling.");
+		stopRunning = true;
+	}
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/workers/impl/NewNotificationsReaderRestImpl.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/workers/impl/NewNotificationsReaderRestImpl.java
new file mode 100644
index 0000000000..a332efaf5a
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/java/org/openecomp/sdc/notification/workers/impl/NewNotificationsReaderRestImpl.java
@@ -0,0 +1,84 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.workers.impl;
+
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.openecomp.sdc.logging.api.Logger;
+import org.openecomp.sdc.logging.api.LoggerFactory;
+import org.openecomp.sdc.notification.config.ConfigurationManager;
+import org.openecomp.sdc.notification.types.NotificationsStatusDto;
+import org.openecomp.sdc.notification.workers.NewNotificationsReader;
+
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.MediaType;
+import java.io.InputStreamReader;
+import java.util.UUID;
+
+public class NewNotificationsReaderRestImpl implements NewNotificationsReader {
+
+    private static final String USER_ID_HEADER_PARAM = "USER_ID";
+    private static final String LAST_DELIVERED_QUERY_PARAM = "LAST_DELIVERED_EVENT_ID";
+    private static final String LIMIT_QUERY_PARAM = "NOTIFICATION_ROWS_LIMIT";
+    private static final String BE_HOST = "beHost";
+    private static final String BE_PORT = "beHttpPort";
+    private static final String DEFAULT_BE_HOST = "localhost";
+    private static final int DEFAULT_BE_PORT = 8080;
+    private static final String URL = "http://%s:%d/onboarding-api/v1.0/notifications/worker?";
+    private static final ObjectMapper mapper = new ObjectMapper();
+
+    private static String beHost;
+    private static int bePort;
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(NewNotificationsReaderRestImpl.class);
+
+    public NewNotificationsReaderRestImpl() {
+        ConfigurationManager cm = ConfigurationManager.getInstance();
+        bePort = cm.getConfigValue(BE_PORT, DEFAULT_BE_PORT);
+        beHost = cm.getConfigValue(BE_HOST, DEFAULT_BE_HOST);
+    }
+
+    public NotificationsStatusDto getNewNotifications(String ownerId, UUID eventId, int limit) {
+        HttpClient client = HttpClientBuilder.create().build();
+        String url = String.format(URL, beHost, bePort);
+
+        url = url + LIMIT_QUERY_PARAM + "=" + limit;
+        if (eventId != null) {
+            url = url + "&" + LAST_DELIVERED_QUERY_PARAM + "=" + eventId;
+        }
+
+        HttpGet request = new HttpGet(url);
+        request.addHeader(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON);
+        request.addHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
+        request.addHeader(USER_ID_HEADER_PARAM, ownerId);
+
+        try {
+            HttpResponse response = client.execute(request);
+            return mapper.readValue(new InputStreamReader(response.getEntity().getContent()), NotificationsStatusDto.class);
+        } catch (Exception e) {
+            LOGGER.error("Failed to execute the request {}", url, e);
+            return null;
+        }
+    }
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/resources/factoryConfiguration.json b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/resources/factoryConfiguration.json
new file mode 100644
index 0000000000..5f5693fb92
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/resources/factoryConfiguration.json
@@ -0,0 +1,3 @@
+{
+  "org.openecomp.config.api.ConfigurationManager": "org.openecomp.config.impl.ConfigurationImpl"
+}
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/resources/onboarding_configuration.yaml b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/resources/onboarding_configuration.yaml
new file mode 100644
index 0000000000..a1b7ba5d9e
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/main/resources/onboarding_configuration.yaml
@@ -0,0 +1,5 @@
+notifications:
+    pollingIntervalMsec: 2000
+    selectionSize: 10
+    beHost: localhost
+    beHttpPort: 8080
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/java/org/openecomp/sdc/notification/workers/NotificationWorkerTest.java b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/java/org/openecomp/sdc/notification/workers/NotificationWorkerTest.java
new file mode 100644
index 0000000000..457ba071cd
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/java/org/openecomp/sdc/notification/workers/NotificationWorkerTest.java
@@ -0,0 +1,134 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.sdc.notification.workers;
+
+import com.datastax.driver.core.utils.UUIDs;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.openecomp.core.utilities.json.JsonUtil;
+import org.openecomp.sdc.notification.types.NotificationEntityDto;
+import org.openecomp.sdc.notification.types.NotificationsStatusDto;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.text.DateFormat;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.UUID;
+import java.util.function.Consumer;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+//import org.junit.Before;
+
+
+public class NotificationWorkerTest {
+
+    private static final String OWNER = "owner_1";
+
+    private String fileName = null;
+    private NewNotificationsReader news = this.new SimNewNotificationsReader();
+    private NotificationWorker worker = new NotificationWorker(news);
+
+    @BeforeClass
+    public static void beforeClass() throws Exception {
+    }
+
+    @Test
+    public void testBasicResourceCreation() throws IOException, InterruptedException {
+
+        Consumer<NotificationsStatusDto> notesProcessor = this::notifyReceiver;
+
+        fileName = "notification_1.csv";
+
+        worker.register(OWNER, null, notesProcessor);
+        worker.register("owner_2", null, notesProcessor);
+        worker.register("owner_3", null, notesProcessor);
+
+        int pollInterval = 2000;
+        Thread.sleep(pollInterval);
+
+        worker.unregister("owner_2");
+
+        fileName = "notification_2.csv";
+
+        Thread.sleep(pollInterval);
+
+        worker.stopPolling();
+
+    }
+
+    private void notifyReceiver(NotificationsStatusDto notes) {
+        if (Objects.nonNull(notes)) {
+            System.out.println("Received notes:");
+            System.out.println(notes);
+        }
+    }
+
+
+    private class SimNewNotificationsReader implements NewNotificationsReader {
+
+
+        private String resourcesDir = "src/test/resources/";
+
+        public NotificationsStatusDto getNewNotifications(String ownerId, UUID eventId, int limit) {
+            if (fileName == null) {
+                return null;
+            }
+            String fn = fileName;
+            fileName = null;
+
+            return getNotifications(fn);
+        }
+
+        private NotificationsStatusDto getNotifications(String fn) {
+            NotificationsStatusDto notificationsStatusDto = new NotificationsStatusDto();
+            List<NotificationEntityDto> inputList = new ArrayList<>();
+            try (BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(new File(resourcesDir + fn))))) {
+                int limit = 10;
+                inputList = br.lines().skip(1).limit(limit).map(mapToEntity).collect(Collectors.toCollection(ArrayList::new));
+            } catch (IOException e) {
+                System.err.println("getNotifications(): file " + resourcesDir + fn + " open exception: " + e.getMessage());
+            }
+            notificationsStatusDto.setNotifications(inputList);
+            notificationsStatusDto.setLastScanned(inputList.get(0).getEventId());
+            return notificationsStatusDto;
+        }
+
+        private Function<String, NotificationEntityDto> mapToEntity = (line) -> {
+            String[] p = line.split("\\|");
+            NotificationEntityDto entity = new NotificationEntityDto();
+            DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.SHORT);
+            entity.setRead(Boolean.parseBoolean(p[1]));
+            entity.setEventId(UUID.fromString(p[2]));
+            entity.setEventType(p[4]);
+            entity.setDateTime(formatter.format(UUIDs.unixTimestamp(entity.getEventId())));
+            entity.setEventAttributes(JsonUtil.json2Object(p[5], Map.class));
+            return entity;
+        };
+    }
+
+}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/resources/logback.xml b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/resources/logback.xml
new file mode 100644
index 0000000000..c1932e31e8
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/resources/logback.xml
@@ -0,0 +1,15 @@
+<configuration>
+
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <!-- encoders are assigned the type
+             ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="warn">
+        <appender-ref ref="STDOUT" />
+    </root>
+
+</configuration>
\ No newline at end of file
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/resources/notification_1.csv b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/resources/notification_1.csv
new file mode 100644
index 0000000000..8b7de38ce5
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/resources/notification_1.csv
@@ -0,0 +1,11 @@
+# Owner|Read|EventId|EventType|OriginatorId|EventAttributes
+owner_1|false|1dc38a90-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc387d4-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc38702-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc385fe-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc384a0-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc383c4-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc3818a-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc380b8-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc37fdc-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc37ee2-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/resources/notification_2.csv b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/resources/notification_2.csv
new file mode 100644
index 0000000000..565e80bce8
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/resources/notification_2.csv
@@ -0,0 +1,11 @@
+# Owner|Read|EventId|EventType|OriginatorId|EventAttributes
+owner_1|false|1dc39346-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc39288-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc391c0-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc38f2c-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc38e64-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc38da6-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc38ce8-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc38c2a-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc38b62-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
+owner_1|false|1dc37c08-5e85-11e7-907b-a6006ad3dba0|type_1|orig_1|{attr_1: val_1, attr_2: val_2}
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/resources/onboarding_configuration.yaml b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/resources/onboarding_configuration.yaml
new file mode 100644
index 0000000000..cc04531c7c
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-worker/src/test/resources/onboarding_configuration.yaml
@@ -0,0 +1,5 @@
+notifications:
+    pollingIntervalMsec: 3000
+    selectionSize: 5
+    beHost: localhost
+    beHttpPort: 8080
diff --git a/openecomp-be/lib/openecomp-sdc-notification-lib/pom.xml b/openecomp-be/lib/openecomp-sdc-notification-lib/pom.xml
new file mode 100644
index 0000000000..9dc0dcfd3e
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-notification-lib/pom.xml
@@ -0,0 +1,23 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <name>openecomp-sdc-notification-lib</name>
+    <artifactId>openecomp-sdc-notification-lib</artifactId>
+
+    <packaging>pom</packaging>
+    <parent>
+        <artifactId>openecomp-sdc-lib</artifactId>
+        <groupId>org.openecomp.sdc</groupId>
+        <version>1.2.0-SNAPSHOT</version>
+        <relativePath>..</relativePath>
+    </parent>
+
+    <modules>
+        <module>openecomp-sdc-notification-api</module>
+        <module>openecomp-sdc-notification-core</module>
+        <module>openecomp-sdc-notification-worker</module>
+        <module>openecomp-sdc-notification-websocket</module>
+    </modules>
+
+</project>