Add collaboration feature

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

21 files changed, 813 insertions, 0 deletions

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);
+}