Adding rest service for so monitoring

Change-Id: I9dac918998901d54b3cbc5477cc9c057c3019cb3
Issue-ID: SO-724
Signed-off-by: waqas.ikram <waqas.ikram@ericsson.com>

29 files changed, 2631 insertions, 0 deletions

diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/ActivityInstance.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/ActivityInstance.java
new file mode 100644
index 0000000000..10ca6c9ac3
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/ActivityInstance.java
@@ -0,0 +1,188 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.camunda.model;
+
+import static org.onap.so.montoring.utils.ObjectEqualsUtils.isEqual;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ *
+ */
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class ActivityInstance {
+
+    private String activityId;
+    private String activityName;
+    private String activityType;
+    private String processInstanceId;
+    private String calledProcessInstanceId;
+    private String startTime;
+    private String endTime;
+    private String durationInMillis;
+
+    public ActivityInstance() {}
+
+
+    /**
+     * @return the activityId
+     */
+    public String getActivityId() {
+        return activityId;
+    }
+
+    /**
+     * @param activityId the activityId to set
+     */
+    public void setActivityId(final String activityId) {
+        this.activityId = activityId;
+    }
+
+    /**
+     * @return the activityName
+     */
+    public String getActivityName() {
+        return activityName;
+    }
+
+    /**
+     * @param activityName the activityName to set
+     */
+    public void setActivityName(final String activityName) {
+        this.activityName = activityName;
+    }
+
+    /**
+     * @return the activityType
+     */
+    public String getActivityType() {
+        return activityType;
+    }
+
+    /**
+     * @param activityType the activityType to set
+     */
+    public void setActivityType(final String activityType) {
+        this.activityType = activityType;
+    }
+
+    /**
+     * @return the processInstanceId
+     */
+    public String getProcessInstanceId() {
+        return processInstanceId;
+    }
+
+    /**
+     * @param processInstanceId the processInstanceId to set
+     */
+    public void setProcessInstanceId(final String processInstanceId) {
+        this.processInstanceId = processInstanceId;
+    }
+
+    /**
+     * @return the calledProcessInstanceId
+     */
+    public String getCalledProcessInstanceId() {
+        return calledProcessInstanceId;
+    }
+
+    /**
+     * @param calledProcessInstanceId the calledProcessInstanceId to set
+     */
+    public void setCalledProcessInstanceId(final String calledProcessInstanceId) {
+        this.calledProcessInstanceId = calledProcessInstanceId;
+    }
+
+    /**
+     * @return the startTime
+     */
+    public String getStartTime() {
+        return startTime;
+    }
+
+    /**
+     * @param startTime the startTime to set
+     */
+    public void setStartTime(final String startTime) {
+        this.startTime = startTime;
+    }
+
+    /**
+     * @return the endTime
+     */
+    public String getEndTime() {
+        return endTime;
+    }
+
+    /**
+     * @param endTime the endTime to set
+     */
+    public void setEndTime(final String endTime) {
+        this.endTime = endTime;
+    }
+
+    /**
+     * @return the durationInMillis
+     */
+    public String getDurationInMillis() {
+        return durationInMillis;
+    }
+
+    /**
+     * @param durationInMillis the durationInMillis to set
+     */
+    public void setDurationInMillis(final String durationInMillis) {
+        this.durationInMillis = durationInMillis;
+    }
+
+    @JsonIgnore
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((activityId == null) ? 0 : activityId.hashCode());
+        result = prime * result + ((activityName == null) ? 0 : activityName.hashCode());
+        result = prime * result + ((activityType == null) ? 0 : activityType.hashCode());
+        result = prime * result + ((calledProcessInstanceId == null) ? 0 : calledProcessInstanceId.hashCode());
+        result = prime * result + ((durationInMillis == null) ? 0 : durationInMillis.hashCode());
+        result = prime * result + ((endTime == null) ? 0 : endTime.hashCode());
+        result = prime * result + ((processInstanceId == null) ? 0 : processInstanceId.hashCode());
+        result = prime * result + ((startTime == null) ? 0 : startTime.hashCode());
+        return result;
+    }
+
+    @JsonIgnore
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj instanceof ActivityInstance) {
+            final ActivityInstance other = (ActivityInstance) obj;
+            return isEqual(activityId, other.activityId) && isEqual(activityName, other.activityName)
+                    && isEqual(activityType, other.activityType) && isEqual(processInstanceId, other.processInstanceId)
+                    && isEqual(calledProcessInstanceId, other.calledProcessInstanceId)
+                    && isEqual(startTime, other.startTime) && isEqual(endTime, other.endTime)
+                    && isEqual(durationInMillis, other.durationInMillis);
+        }
+        return false;
+    }
+    
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/ProcessDefinition.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/ProcessDefinition.java
new file mode 100644
index 0000000000..ccddf0cd95
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/ProcessDefinition.java
@@ -0,0 +1,88 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.camunda.model;
+
+import static org.onap.so.montoring.utils.ObjectEqualsUtils.isEqual;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ *
+ */
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class ProcessDefinition {
+
+    private String id;
+    private String bpmn20Xml;
+
+    public ProcessDefinition() {}
+
+    /**
+     * @return the id
+     */
+    public String getId() {
+        return id;
+    }
+
+    /**
+     * @param id the id to set
+     */
+    public void setId(final String id) {
+        this.id = id;
+    }
+
+    /**
+     * @return the bpmn20Xml
+     */
+    public String getBpmn20Xml() {
+        return bpmn20Xml;
+    }
+
+    /**
+     * @param bpmn20Xml the bpmn20Xml to set
+     */
+    public void setBpmn20Xml(final String bpmn20Xml) {
+        this.bpmn20Xml = bpmn20Xml;
+    }
+
+    @JsonIgnore
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((id == null) ? 0 : id.hashCode());
+        result = prime * result + ((bpmn20Xml == null) ? 0 : bpmn20Xml.hashCode());
+        return result;
+    }
+
+    @JsonIgnore
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj instanceof ProcessDefinition) {
+            final ProcessDefinition other = (ProcessDefinition) obj;
+            return isEqual(id, other.id) && isEqual(bpmn20Xml, other.bpmn20Xml);
+        }
+        return false;
+    }
+
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/ProcessInstance.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/ProcessInstance.java
new file mode 100644
index 0000000000..faea7b3bf9
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/ProcessInstance.java
@@ -0,0 +1,129 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.camunda.model;
+
+import static org.onap.so.montoring.utils.ObjectEqualsUtils.isEqual;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class ProcessInstance {
+
+    private String id;
+    private String processDefinitionId;
+    private String processDefinitionName;
+    private String superProcessInstanceId;
+
+    public ProcessInstance() {}
+
+    /**
+     * @return the id
+     */
+    public String getId() {
+        return id;
+    }
+
+    /**
+     * @param id the id to set
+     */
+    public void setId(final String id) {
+        this.id = id;
+    }
+
+
+    /**
+     * @return the processDefinitionId
+     */
+    public String getProcessDefinitionId() {
+        return processDefinitionId;
+    }
+
+    /**
+     * @param processDefinitionId the processDefinitionId to set
+     */
+    public void setProcessDefinitionId(final String processDefinitionId) {
+        this.processDefinitionId = processDefinitionId;
+    }
+
+    /**
+     * @return the processDefinitionName
+     */
+    public String getProcessDefinitionName() {
+        return processDefinitionName;
+    }
+
+    /**
+     * @param processDefinitionName the processDefinitionName to set
+     */
+    public void setProcessDefinitionName(final String processDefinitionName) {
+        this.processDefinitionName = processDefinitionName;
+    }
+
+    /**
+     * @return the superProcessInstanceId
+     */
+    public String getSuperProcessInstanceId() {
+        return superProcessInstanceId;
+    }
+
+    /**
+     * @param superProcessInstanceId the superProcessInstanceId to set
+     */
+    public void setSuperProcessInstanceId(final String superProcessInstanceId) {
+        this.superProcessInstanceId = superProcessInstanceId;
+    }
+
+
+    @JsonIgnore
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((id == null) ? 0 : id.hashCode());
+        result = prime * result + ((processDefinitionId == null) ? 0 : processDefinitionId.hashCode());
+        result = prime * result + ((processDefinitionName == null) ? 0 : processDefinitionName.hashCode());
+        result = prime * result + ((superProcessInstanceId == null) ? 0 : superProcessInstanceId.hashCode());
+        return result;
+    }
+
+    @JsonIgnore
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj instanceof ProcessInstance) {
+            final ProcessInstance other = (ProcessInstance) obj;
+            return isEqual(id, other.id) && isEqual(processDefinitionId, other.processDefinitionId)
+                    && isEqual(processDefinitionName, other.processDefinitionName)
+                    && isEqual(superProcessInstanceId, other.superProcessInstanceId);
+        }
+
+        return false;
+    }
+
+    @JsonIgnore
+    @Override
+    public String toString() {
+        return "ProcessInstance [id=" + id + ", processDefinitionId=" + processDefinitionId + ", processDefinitionName="
+                + processDefinitionName + "]";
+    }
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/ProcessInstanceVariable.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/ProcessInstanceVariable.java
new file mode 100644
index 0000000000..14a01b96bb
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/ProcessInstanceVariable.java
@@ -0,0 +1,106 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.camunda.model;
+
+import static org.onap.so.montoring.utils.ObjectEqualsUtils.isEqual;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+public class ProcessInstanceVariable {
+
+    private String name;
+    private Object value;
+    private String type;
+
+    public ProcessInstanceVariable() {}
+
+    /**
+     * @return the name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * @param name the name to set
+     */
+    public void setName(final String name) {
+        this.name = name;
+    }
+
+    /**
+     * @return the value
+     */
+    public Object getValue() {
+        return value;
+    }
+
+    /**
+     * @param value the value to set
+     */
+    public void setValue(final Object value) {
+        this.value = value;
+    }
+
+    /**
+     * @return the type
+     */
+    public String getType() {
+        return type;
+    }
+
+    /**
+     * @param type the type to set
+     */
+    public void setType(final String type) {
+        this.type = type;
+    }
+
+    @JsonIgnore
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((name == null) ? 0 : name.hashCode());
+        result = prime * result + ((value == null) ? 0 : value.hashCode());
+        result = prime * result + ((type == null) ? 0 : type.hashCode());
+        return result;
+    }
+
+    @JsonIgnore
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj instanceof ProcessInstanceVariable) {
+            final ProcessInstanceVariable other = (ProcessInstanceVariable) obj;
+            return isEqual(name, other.name) && isEqual(value, other.value) && isEqual(type, other.type);
+        }
+
+        return false;
+    }
+
+    @JsonIgnore
+    @Override
+    public String toString() {
+        return "ProcessInstance [name=" + name + ", value=" + value + ", type=" + type + "]";
+    }
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/SoActiveInfraRequests.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/SoActiveInfraRequests.java
new file mode 100644
index 0000000000..b17cad23b5
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/camunda/model/SoActiveInfraRequests.java
@@ -0,0 +1,196 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.camunda.model;
+
+import static org.onap.so.montoring.utils.ObjectEqualsUtils.isEqual;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ *
+ */
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class SoActiveInfraRequests {
+
+    private String requestId;
+    private String serviceInstanceId;
+    private String networkId;
+    private String startTime;
+    private String endTime;
+    private String requestStatus;
+    private String serviceInstanceName;
+    private String serviceType;
+
+    /**
+     * @return the requestId
+     */
+    public String getRequestId() {
+        return requestId;
+    }
+
+    /**
+     * @param requestId the requestId to set
+     */
+    public void setRequestId(final String requestId) {
+        this.requestId = requestId;
+    }
+
+    /**
+     * @return the serviceInstanceId
+     */
+    public String getServiceInstanceId() {
+        return serviceInstanceId;
+    }
+
+    /**
+     * @param serviceInstanceId the serviceInstanceId to set
+     */
+    public void setServiceInstanceId(final String serviceInstanceId) {
+        this.serviceInstanceId = serviceInstanceId;
+    }
+
+    /**
+     * @return the networkId
+     */
+    public String getNetworkId() {
+        return networkId;
+    }
+
+    /**
+     * @param networkId the networkId to set
+     */
+    public void setNetworkId(final String networkId) {
+        this.networkId = networkId;
+    }
+
+    /**
+     * @return the startTime
+     */
+    public String getStartTime() {
+        return startTime;
+    }
+
+    /**
+     * @param startTime the startTime to set
+     */
+    public void setStartTime(final String startTime) {
+        this.startTime = startTime;
+    }
+
+    /**
+     * @return the endTime
+     */
+    public String getEndTime() {
+        return endTime;
+    }
+
+    /**
+     * @param endTime the endTime to set
+     */
+    public void setEndTime(final String endTime) {
+        this.endTime = endTime;
+    }
+
+    /**
+     * @return the requestStatus
+     */
+    public String getRequestStatus() {
+        return requestStatus;
+    }
+
+    /**
+     * @param requestStatus the requestStatus to set
+     */
+    public void setRequestStatus(final String requestStatus) {
+        this.requestStatus = requestStatus;
+    }
+
+    /**
+     * @return the serviceInstanceName
+     */
+    public String getServiceInstanceName() {
+        return serviceInstanceName;
+    }
+
+    /**
+     * @param serviceInstanceName the serviceInstanceName to set
+     */
+    public void setServiceInstanceName(final String serviceInstanceName) {
+        this.serviceInstanceName = serviceInstanceName;
+    }
+
+    /**
+     * @return the serviceType
+     */
+    public String getServiceType() {
+        return serviceType;
+    }
+
+    /**
+     * @param serviceType the serviceType to set
+     */
+    public void setServiceType(final String serviceType) {
+        this.serviceType = serviceType;
+    }
+
+    @JsonIgnore
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((endTime == null) ? 0 : endTime.hashCode());
+        result = prime * result + ((networkId == null) ? 0 : networkId.hashCode());
+        result = prime * result + ((requestId == null) ? 0 : requestId.hashCode());
+        result = prime * result + ((requestStatus == null) ? 0 : requestStatus.hashCode());
+        result = prime * result + ((serviceInstanceId == null) ? 0 : serviceInstanceId.hashCode());
+        result = prime * result + ((serviceInstanceName == null) ? 0 : serviceInstanceName.hashCode());
+        result = prime * result + ((serviceType == null) ? 0 : serviceType.hashCode());
+        result = prime * result + ((startTime == null) ? 0 : startTime.hashCode());
+        return result;
+    }
+
+    @JsonIgnore
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj instanceof SoActiveInfraRequests) {
+            SoActiveInfraRequests other = (SoActiveInfraRequests) obj;
+            return isEqual(requestId, other.requestId) && isEqual(serviceInstanceId, other.serviceInstanceId)
+                    && isEqual(networkId, other.networkId) && isEqual(startTime, other.startTime)
+                    && isEqual(endTime, other.endTime) && isEqual(requestStatus, other.requestStatus)
+                    && isEqual(serviceInstanceName, other.serviceInstanceName)
+                    && isEqual(serviceType, other.serviceType);
+        }
+
+        return false;
+    }
+
+    @JsonIgnore
+    @Override
+    public String toString() {
+        return "SoActiveInfraRequests [requestId=" + requestId + ", serviceInstanceId=" + serviceInstanceId
+                + ", networkId=" + networkId + ", startTime=" + startTime + ", endTime=" + endTime + ", requestStatus="
+                + requestStatus + ", serviceInstanceName=" + serviceInstanceName + ", serviceType=" + serviceType + "]";
+    }
+
+
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/camunda/CamundaConfiguration.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/camunda/CamundaConfiguration.java
new file mode 100644
index 0000000000..2540eda04b
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/camunda/CamundaConfiguration.java
@@ -0,0 +1,38 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.configuration.camunda;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+
+@Configuration
+public class CamundaConfiguration {
+
+    @Bean
+    public CamundaRestUrlProvider camundaRestUrlProvider(@Value(value = "${camunda.rest.api.url}") final String httpURL,
+            @Value(value = "${camunda.rest.api.engine:default}") final String engineName) {
+        return new CamundaRestUrlProvider(httpURL, engineName);
+    }
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/camunda/CamundaRestUrlProvider.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/camunda/CamundaRestUrlProvider.java
new file mode 100644
index 0000000000..9a509f037b
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/camunda/CamundaRestUrlProvider.java
@@ -0,0 +1,106 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.configuration.camunda;
+
+import java.net.URI;
+
+import org.springframework.stereotype.Service;
+import org.springframework.web.util.UriComponentsBuilder;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+@Service
+public class CamundaRestUrlProvider {
+
+    private static final String HISTORY_PATH = "history";
+    private final URI baseUri;
+
+    public CamundaRestUrlProvider(final String httpUrl, final String engineName) {
+        this.baseUri = UriComponentsBuilder.fromHttpUrl(httpUrl).path(engineName).build().toUri();
+    }
+
+    /**
+     * see {@link <a href=
+     * "https://docs.camunda.org/manual/7.5/reference/rest/history/process-instance/get-process-instance-query/">Get
+     * Process Instances</a>}.
+     * 
+     * @param requestId the request ID
+     * @return URL
+     */
+    public String getHistoryProcessInstanceUrl(final String requestId) {
+        return UriComponentsBuilder.fromUri(baseUri).pathSegment(HISTORY_PATH).pathSegment("process-instance")
+                .query("variables=requestId_eq_{requestID}").buildAndExpand(requestId).toString();
+    }
+
+    /**
+     * see {@link <a href=
+     * "https://docs.camunda.org/manual/7.5/reference/rest/history/process-instance/get-process-instance/">Get
+     * Single Process Instance</a>}.
+     * 
+     * @param processInstanceId the process instance id.
+     * @return URL
+     */
+    public String getSingleProcessInstanceUrl(final String processInstanceId) {
+        return UriComponentsBuilder.fromUri(baseUri).pathSegment(HISTORY_PATH).pathSegment("process-instance")
+                .pathSegment(processInstanceId).build().toString();
+    }
+
+    /**
+     * see {@link <a href=
+     * "https://docs.camunda.org/manual/7.5/reference/rest/process-definition/get-xml/">Get BPMN 2.0
+     * XML</a>}.
+     * 
+     * @param processDefinitionId the process definition id.
+     * @return URL
+     */
+    public String getProcessDefinitionUrl(final String processDefinitionId) {
+        return UriComponentsBuilder.fromUri(baseUri).pathSegment("process-definition").pathSegment(processDefinitionId)
+                .pathSegment("xml").build().toString();
+    }
+
+    /**
+     * see {@link <a href=
+     * "https://docs.camunda.org/manual/7.5/reference/rest/history/activity-instance/get-activity-instance/">Get
+     * Single Activity Instance (Historic)</a>}.
+     * 
+     * @param processInstanceId the process instance id.
+     * @return URL
+     */
+    public String getActivityInstanceUrl(final String processInstanceId) {
+        return UriComponentsBuilder.fromUri(baseUri).pathSegment(HISTORY_PATH).pathSegment("activity-instance")
+                .query("processInstanceId={processInstanceId}").queryParam("sortBy", "startTime")
+                .queryParam("sortOrder", "asc").buildAndExpand(processInstanceId).toString();
+    }
+
+    /**
+     * see {@link <a href=
+     * "https://docs.camunda.org/manual/7.5/reference/rest/history/variable-instance/get-variable-instance/">Get
+     * Single Variable Instance</a>}.
+     * 
+     * @param processInstanceId the process instance id.
+     * @return URL
+     */
+    public String getProcessInstanceVariablesUrl(final String processInstanceId) {
+        return UriComponentsBuilder.fromUri(baseUri).pathSegment(HISTORY_PATH).pathSegment("variable-instance")
+                .query("processInstanceId={processInstanceId}").buildAndExpand(processInstanceId).toString();
+    }
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/database/DatabaseConfiguration.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/database/DatabaseConfiguration.java
new file mode 100644
index 0000000000..3d2b529d9a
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/database/DatabaseConfiguration.java
@@ -0,0 +1,37 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * 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.onap.so.montoring.configuration.database;
+
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class DatabaseConfiguration {
+
+    @Bean
+    public DatabaseUrlProvider databaseUrlProvider(
+            @Value(value = "${mso.database.rest.api.url}") final String baseUrl) {
+        return new DatabaseUrlProvider(baseUrl);
+    }
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/database/DatabaseUrlProvider.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/database/DatabaseUrlProvider.java
new file mode 100644
index 0000000000..8235b9272b
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/database/DatabaseUrlProvider.java
@@ -0,0 +1,48 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.configuration.database;
+
+import java.net.URI;
+
+import org.springframework.web.util.UriComponentsBuilder;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ *
+ */
+public class DatabaseUrlProvider {
+
+    private final URI baseUri;
+
+    public DatabaseUrlProvider(final String baseUrl) {
+        this.baseUri = UriComponentsBuilder.fromHttpUrl(baseUrl).build().toUri();
+    }
+
+    public String getSearchUrl(final long from, final long to, final Integer maxResult) {
+        final UriComponentsBuilder builder = UriComponentsBuilder.fromUri(baseUri).pathSegment("v1")
+                .pathSegment("getInfraActiveRequests").queryParam("from", from).queryParam("to", to);
+        if (maxResult != null) {
+            return builder.queryParam("maxResult", maxResult).build().toString();
+        }
+
+        return builder.build().toString();
+    }
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/rest/BasicAuthorizationHttpRequestInterceptor.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/rest/BasicAuthorizationHttpRequestInterceptor.java
new file mode 100644
index 0000000000..0db1e51ce2
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/rest/BasicAuthorizationHttpRequestInterceptor.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.configuration.rest;
+
+import java.io.IOException;
+
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpRequest;
+import org.springframework.http.client.ClientHttpRequestExecution;
+import org.springframework.http.client.ClientHttpRequestInterceptor;
+import org.springframework.http.client.ClientHttpResponse;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ *
+ */
+public class BasicAuthorizationHttpRequestInterceptor implements ClientHttpRequestInterceptor {
+
+    private final String authorization;
+
+    public BasicAuthorizationHttpRequestInterceptor(final String authorization) {
+        this.authorization = authorization;
+    }
+
+    @Override
+    public ClientHttpResponse intercept(final HttpRequest request, final byte[] body,
+            final ClientHttpRequestExecution execution) throws IOException {
+        final HttpHeaders headers = request.getHeaders();
+        headers.add("Authorization", authorization);
+        return execution.execute(request, body);
+    }
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/rest/HttpClientConnectionConfiguration.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/rest/HttpClientConnectionConfiguration.java
new file mode 100644
index 0000000000..a465b53c71
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/rest/HttpClientConnectionConfiguration.java
@@ -0,0 +1,87 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.configuration.rest;
+
+import java.util.concurrent.TimeUnit;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+@Service
+public class HttpClientConnectionConfiguration {
+
+    @Value(value = "${rest.http.client.configuration.connTimeOutInSec:10}")
+    private int connectionTimeOutInSeconds;
+
+    @Value(value = "${rest.http.client.configuration.socketTimeOutInSec:180}")
+    private int socketTimeOutInSeconds;
+
+    @Value(value = "${rest.http.client.configuration.socketTimeOutInSec:600}")
+    private int timeToLiveInSeconds;
+
+    @Value(value = "${rest.http.client.configuration.maxConnections:10}")
+    private int maxConnections;
+
+    @Value(value = "${rest.http.client.configuration.maxConnectionsPerRoute:2}")
+    private int maxConnectionsPerRoute;
+
+    /**
+     * @return the socketTimeOut
+     */
+    public int getSocketTimeOutInMiliSeconds() {
+        return (int) TimeUnit.SECONDS.toMillis(socketTimeOutInSeconds);
+    }
+
+    /**
+     * @return the maxConnections
+     */
+    public int getMaxConnections() {
+        return maxConnections;
+    }
+
+    /**
+     * @return the maxConnectionsPerRoute
+     */
+    public int getMaxConnectionsPerRoute() {
+        return maxConnectionsPerRoute;
+    }
+
+    /**
+     * @return the connectionTimeOut
+     */
+    public int getConnectionTimeOutInMilliSeconds() {
+        return (int) TimeUnit.SECONDS.toMillis(connectionTimeOutInSeconds);
+    }
+
+    /**
+     * @return the timeToLive
+     */
+    public int getTimeToLiveInMins() {
+        return (int) TimeUnit.SECONDS.toMinutes(timeToLiveInSeconds);
+    }
+
+    @Override
+    public String toString() {
+        return "HttpClientConnectionConfiguration [connectionTimeOutInSeconds=" + connectionTimeOutInSeconds
+                + ", socketTimeOutInSeconds=" + socketTimeOutInSeconds + ", timeToLiveInSeconds=" + timeToLiveInSeconds
+                + ", maxConnections=" + maxConnections + ", maxConnectionsPerRoute=" + maxConnectionsPerRoute + "]";
+    }
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/rest/HttpServiceProviderConfiguration.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/rest/HttpServiceProviderConfiguration.java
new file mode 100644
index 0000000000..31cd12bebc
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/rest/HttpServiceProviderConfiguration.java
@@ -0,0 +1,73 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.configuration.rest;
+
+import static org.onap.so.montoring.configuration.rest.RestTemplateConfigration.CAMUNDA_REST_TEMPLATE;
+import static org.onap.so.montoring.configuration.rest.RestTemplateConfigration.DATABASE_REST_TEMPLATE;
+
+import org.onap.so.montoring.rest.service.HttpRestServiceProvider;
+import org.onap.so.montoring.rest.service.HttpRestServiceProviderImpl;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.client.ClientHttpRequestInterceptor;
+import org.springframework.web.client.RestTemplate;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ *
+ */
+@Configuration
+public class HttpServiceProviderConfiguration {
+
+    public static final String DATABASE_HTTP_REST_SERVICE_PROVIDER = "databaseHttpRestServiceProvider";
+    public static final String CAMUNDA_HTTP_REST_SERVICE_PROVIDER = "camundaHttpRestServiceProvider";
+
+    @Bean
+    @Qualifier(CAMUNDA_HTTP_REST_SERVICE_PROVIDER)
+    public HttpRestServiceProvider camundaHttpRestServiceProvider(
+            @Qualifier(CAMUNDA_REST_TEMPLATE) @Autowired final RestTemplate restTemplate,
+            @Value(value = "${camunda.rest.api.auth:#{null}}") final String authorization) {
+        return getHttpRestServiceProvider(restTemplate, authorization);
+    }
+
+    @Bean
+    @Qualifier(DATABASE_HTTP_REST_SERVICE_PROVIDER)
+    public HttpRestServiceProvider databaseHttpRestServiceProvider(
+            @Qualifier(DATABASE_REST_TEMPLATE) @Autowired final RestTemplate restTemplate,
+            @Value(value = "${mso.database.rest.api.auth:#{null}}") final String authorization) {
+
+        return getHttpRestServiceProvider(restTemplate, authorization);
+    }
+
+    private HttpRestServiceProvider getHttpRestServiceProvider(final RestTemplate restTemplate,
+            final String authorization) {
+        if (authorization != null && !authorization.isEmpty()) {
+            final ClientHttpRequestInterceptor authorizationInterceptor =
+                    new BasicAuthorizationHttpRequestInterceptor(authorization);
+            restTemplate.getInterceptors().add(authorizationInterceptor);
+        }
+        return new HttpRestServiceProviderImpl(restTemplate);
+    }
+
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/rest/RestTemplateConfigration.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/rest/RestTemplateConfigration.java
new file mode 100644
index 0000000000..914e5d676e
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/configuration/rest/RestTemplateConfigration.java
@@ -0,0 +1,84 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.configuration.rest;
+
+import java.util.concurrent.TimeUnit;
+
+import org.apache.http.client.config.RequestConfig;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.web.client.RestTemplate;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+@Configuration
+public class RestTemplateConfigration {
+
+    public static final String DATABASE_REST_TEMPLATE = "databaseRestTemplate";
+
+    public static final String CAMUNDA_REST_TEMPLATE = "camundaRestTemplate";
+
+    @Autowired
+    private HttpClientConnectionConfiguration clientConnectionConfiguration;
+
+    @Bean
+    @Qualifier(CAMUNDA_REST_TEMPLATE)
+    public RestTemplate camundaRestTemplate() {
+        return new RestTemplate(httpComponentsClientHttpRequestFactory());
+    }
+
+    @Bean
+    @Qualifier(DATABASE_REST_TEMPLATE)
+    public RestTemplate dataBasecamundaRestTemplate() {
+        return new RestTemplate(httpComponentsClientHttpRequestFactory());
+    }
+
+    @Bean
+    public HttpComponentsClientHttpRequestFactory httpComponentsClientHttpRequestFactory() {
+        return new HttpComponentsClientHttpRequestFactory(httpClient());
+    }
+
+    @Bean
+    public CloseableHttpClient httpClient() {
+        return HttpClientBuilder.create().setConnectionManager(poolingHttpClientConnectionManager())
+                .setMaxConnPerRoute(clientConnectionConfiguration.getMaxConnectionsPerRoute())
+                .setMaxConnTotal(clientConnectionConfiguration.getMaxConnections())
+                .setDefaultRequestConfig(requestConfig()).build();
+    }
+
+    @Bean
+    public PoolingHttpClientConnectionManager poolingHttpClientConnectionManager() {
+        return new PoolingHttpClientConnectionManager(clientConnectionConfiguration.getTimeToLiveInMins(),
+                TimeUnit.MINUTES);
+    }
+
+    @Bean
+    public RequestConfig requestConfig() {
+        return RequestConfig.custom().setSocketTimeout(clientConnectionConfiguration.getSocketTimeOutInMiliSeconds())
+                .setConnectTimeout(clientConnectionConfiguration.getConnectionTimeOutInMilliSeconds()).build();
+    }
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/db/service/DatabaseServiceProvider.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/db/service/DatabaseServiceProvider.java
new file mode 100644
index 0000000000..b8481803e2
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/db/service/DatabaseServiceProvider.java
@@ -0,0 +1,36 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.db.service;
+
+import java.util.List;
+import java.util.Map;
+
+import org.onap.so.montoring.model.SoInfraRequest;
+
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+public interface DatabaseServiceProvider {
+
+    List<SoInfraRequest> getSoInfraRequest(final Map<String, String[]> filters, final long startTime,
+            final long endTime, final Integer maxResult);
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/db/service/DatabaseServiceProviderImpl.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/db/service/DatabaseServiceProviderImpl.java
new file mode 100644
index 0000000000..f6cbc3c297
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/db/service/DatabaseServiceProviderImpl.java
@@ -0,0 +1,89 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.db.service;
+
+import static org.onap.so.montoring.configuration.rest.HttpServiceProviderConfiguration.DATABASE_HTTP_REST_SERVICE_PROVIDER;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+import org.onap.so.montoring.camunda.model.SoActiveInfraRequests;
+import org.onap.so.montoring.configuration.database.DatabaseUrlProvider;
+import org.onap.so.montoring.model.SoInfraRequest;
+import org.onap.so.montoring.model.SoInfraRequestBuilder;
+import org.onap.so.montoring.rest.service.HttpRestServiceProvider;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.stereotype.Service;
+
+import com.google.common.base.Optional;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+@Service
+public class DatabaseServiceProviderImpl implements DatabaseServiceProvider {
+
+    private final DatabaseUrlProvider urlProvider;
+
+    private final HttpRestServiceProvider httpRestServiceProvider;
+
+    @Autowired
+    public DatabaseServiceProviderImpl(final DatabaseUrlProvider urlProvider,
+            @Qualifier(DATABASE_HTTP_REST_SERVICE_PROVIDER) @Autowired final HttpRestServiceProvider httpRestServiceProvider) {
+        this.urlProvider = urlProvider;
+        this.httpRestServiceProvider = httpRestServiceProvider;
+    }
+
+    @Override
+    public List<SoInfraRequest> getSoInfraRequest(final Map<String, String[]> filters, final long startTime,
+            final long endTime, final Integer maxResult) {
+        final String url = urlProvider.getSearchUrl(startTime, endTime, maxResult);
+
+        final Optional<SoActiveInfraRequests[]> optionalRequests =
+                httpRestServiceProvider.postHttpRequest(filters, url, SoActiveInfraRequests[].class);
+        if (optionalRequests.isPresent()) {
+            return getSoInfraRequest(optionalRequests.get());
+        }
+        return Collections.emptyList();
+    }
+
+
+    private List<SoInfraRequest> getSoInfraRequest(final SoActiveInfraRequests[] requests) {
+        final List<SoInfraRequest> result = new ArrayList<>(requests.length);
+        for (final SoActiveInfraRequests activeRequests : requests) {
+            final SoInfraRequest soInfraRequest =
+                    new SoInfraRequestBuilder().setRequestId(activeRequests.getRequestId())
+                            .setServiceInstanceId(activeRequests.getServiceInstanceId())
+                            .setNetworkId(activeRequests.getNetworkId()).setEndTime(activeRequests.getEndTime())
+                            .setRequestStatus(activeRequests.getRequestStatus())
+                            .setServiceIstanceName(activeRequests.getServiceInstanceName())
+                            .setServiceType(activeRequests.getServiceType()).setStartTime(activeRequests.getStartTime())
+                            .build();
+            result.add(soInfraRequest);
+
+        }
+        return result;
+    }
+
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/exception/InvalidRestRequestException.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/exception/InvalidRestRequestException.java
new file mode 100644
index 0000000000..8e4c751c8e
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/exception/InvalidRestRequestException.java
@@ -0,0 +1,36 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.exception;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ *
+ */
+public class InvalidRestRequestException extends RuntimeException {
+    private static final long serialVersionUID = -1158414939006977465L;
+
+    public InvalidRestRequestException(final String message) {
+        super(message);
+    }
+
+    public InvalidRestRequestException(final String message, final Throwable cause) {
+        super(message, cause);
+    }
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/exception/RestProcessingException.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/exception/RestProcessingException.java
new file mode 100644
index 0000000000..2d3544ed66
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/exception/RestProcessingException.java
@@ -0,0 +1,37 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.exception;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ *
+ */
+public class RestProcessingException extends RuntimeException {
+
+    private static final long serialVersionUID = 16862313537198441L;
+
+    public RestProcessingException(final String message) {
+        super(message);
+    }
+
+    public RestProcessingException(final String message, final Throwable cause) {
+        super(message, cause);
+    }
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ActivityInstanceDetail.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ActivityInstanceDetail.java
new file mode 100644
index 0000000000..5691f23622
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ActivityInstanceDetail.java
@@ -0,0 +1,192 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.model;
+
+import static org.onap.so.montoring.utils.ObjectEqualsUtils.isEqual;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ *
+ */
+public class ActivityInstanceDetail {
+    private final String activityId;
+    private final String activityName;
+    private final String activityType;
+    private final String processInstanceId;
+    private final String calledProcessInstanceId;
+    private final String startTime;
+    private final String endTime;
+    private final String durationInMilliseconds;
+
+    public ActivityInstanceDetail(final ActivityInstanceDetailBuilder builder) {
+        this.activityId = builder.activityId;
+        this.activityName = builder.activityName;
+        this.activityType = builder.activityType;
+        this.processInstanceId = builder.processInstanceId;
+        this.calledProcessInstanceId = builder.calledProcessInstanceId;
+        this.startTime = builder.startTime;
+        this.endTime = builder.endTime;
+        this.durationInMilliseconds = builder.durationInMilliseconds;
+    }
+
+    /**
+     * @return the activityId
+     */
+    public String getActivityId() {
+        return activityId;
+    }
+
+    /**
+     * @return the activityName
+     */
+    public String getActivityName() {
+        return activityName;
+    }
+
+    /**
+     * @return the activityType
+     */
+    public String getActivityType() {
+        return activityType;
+    }
+
+    /**
+     * @return the processInstanceId
+     */
+    public String getProcessInstanceId() {
+        return processInstanceId;
+    }
+
+    /**
+     * @return the calledProcessInstanceId
+     */
+    public String getCalledProcessInstanceId() {
+        return calledProcessInstanceId;
+    }
+
+    /**
+     * @return the startTime
+     */
+    public String getStartTime() {
+        return startTime;
+    }
+
+    /**
+     * @return the endTime
+     */
+    public String getEndTime() {
+        return endTime;
+    }
+
+    /**
+     * @return the durationInMillis
+     */
+    public String getDurationInMillis() {
+        return durationInMilliseconds;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((activityId == null) ? 0 : activityId.hashCode());
+        result = prime * result + ((activityName == null) ? 0 : activityName.hashCode());
+        result = prime * result + ((activityType == null) ? 0 : activityType.hashCode());
+        result = prime * result + ((calledProcessInstanceId == null) ? 0 : calledProcessInstanceId.hashCode());
+        result = prime * result + ((durationInMilliseconds == null) ? 0 : durationInMilliseconds.hashCode());
+        result = prime * result + ((endTime == null) ? 0 : endTime.hashCode());
+        result = prime * result + ((processInstanceId == null) ? 0 : processInstanceId.hashCode());
+        result = prime * result + ((startTime == null) ? 0 : startTime.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+
+        if (obj instanceof ActivityInstanceDetail) {
+            final ActivityInstanceDetail other = (ActivityInstanceDetail) obj;
+            return isEqual(activityId, other.activityId) && isEqual(activityName, other.activityName)
+                    && isEqual(activityType, other.activityType) && isEqual(processInstanceId, other.processInstanceId)
+                    && isEqual(calledProcessInstanceId, other.calledProcessInstanceId)
+                    && isEqual(startTime, other.startTime) && isEqual(endTime, other.endTime)
+                    && isEqual(durationInMilliseconds, other.durationInMilliseconds);
+        }
+
+        return false;
+    }
+
+
+    public static final class ActivityInstanceDetailBuilder {
+
+        private String activityId;
+        private String activityName;
+        private String activityType;
+        private String processInstanceId;
+        private String calledProcessInstanceId;
+        private String startTime;
+        private String endTime;
+        private String durationInMilliseconds;
+
+        public ActivityInstanceDetailBuilder activityId(final String activityId) {
+            this.activityId = activityId;
+            return this;
+        }
+
+        public ActivityInstanceDetailBuilder activityName(final String activityName) {
+            this.activityName = activityName;
+            return this;
+        }
+
+        public ActivityInstanceDetailBuilder activityType(final String activityType) {
+            this.activityType = activityType;
+            return this;
+        }
+
+        public ActivityInstanceDetailBuilder processInstanceId(final String processInstanceId) {
+            this.processInstanceId = processInstanceId;
+            return this;
+        }
+
+        public ActivityInstanceDetailBuilder calledProcessInstanceId(final String calledProcessInstanceId) {
+            this.calledProcessInstanceId = calledProcessInstanceId;
+            return this;
+        }
+
+        public ActivityInstanceDetailBuilder startTime(final String startTime) {
+            this.startTime = startTime;
+            return this;
+        }
+
+        public ActivityInstanceDetailBuilder endTime(final String endTime) {
+            this.endTime = endTime;
+            return this;
+        }
+
+        public ActivityInstanceDetailBuilder durationInMilliseconds(final String durationInMilliseconds) {
+            this.durationInMilliseconds = durationInMilliseconds;
+            return this;
+        }
+
+        public ActivityInstanceDetail build() {
+            return new ActivityInstanceDetail(this);
+        }
+    }
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ProcessDefinitionDetail.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ProcessDefinitionDetail.java
new file mode 100644
index 0000000000..164a3921c0
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ProcessDefinitionDetail.java
@@ -0,0 +1,76 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.model;
+
+import static org.onap.so.montoring.utils.ObjectEqualsUtils.isEqual;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ *
+ */
+public class ProcessDefinitionDetail {
+
+    private final String processDefinitionId;
+    private final String processDefinitionXml;
+
+    public ProcessDefinitionDetail(final String processDefinitionId, final String processDefinitionXml) {
+        this.processDefinitionId = processDefinitionId;
+        this.processDefinitionXml = processDefinitionXml;
+    }
+
+    /**
+     * @return the processDefinitionId
+     */
+    public String getProcessDefinitionId() {
+        return processDefinitionId;
+    }
+
+    /**
+     * @return the processDefinitionXml
+     */
+    public String getProcessDefinitionXml() {
+        return processDefinitionXml;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((processDefinitionId == null) ? 0 : processDefinitionId.hashCode());
+        result = prime * result + ((processDefinitionXml == null) ? 0 : processDefinitionXml.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj instanceof ProcessDefinitionDetail) {
+            final ProcessDefinitionDetail other = (ProcessDefinitionDetail) obj;
+            return isEqual(processDefinitionId, other.processDefinitionId)
+                    && isEqual(processDefinitionXml, other.processDefinitionXml);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return "ProcessDefinitionDetail [processDefinitionId=" + processDefinitionId + ", processDefinitionXml="
+                + processDefinitionXml + "]";
+    }
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ProcessInstanceDetail.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ProcessInstanceDetail.java
new file mode 100644
index 0000000000..a96b6c3a0f
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ProcessInstanceDetail.java
@@ -0,0 +1,103 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.model;
+
+import static org.onap.so.montoring.utils.ObjectEqualsUtils.isEqual;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+public class ProcessInstanceDetail {
+
+    private final String processInstanceId;
+    private final String processDefinitionId;
+    private final String processDefinitionName;
+    private final String superProcessInstanceId;
+
+
+    public ProcessInstanceDetail(final String processInstanceId, final String processDefinitionId,
+            final String processDefinitionName, final String superProcessInstanceId) {
+        this.processInstanceId = processInstanceId;
+        this.processDefinitionId = processDefinitionId;
+        this.processDefinitionName = processDefinitionName;
+        this.superProcessInstanceId = superProcessInstanceId;
+    }
+
+    /**
+     * @return the processInstanceId
+     */
+    public String getProcessInstanceId() {
+        return processInstanceId;
+    }
+
+    /**
+     * @return the processDefinitionId
+     */
+    public String getProcessDefinitionId() {
+        return processDefinitionId;
+    }
+
+    /**
+     * @return the processDefinitionName
+     */
+    public String getProcessDefinitionName() {
+        return processDefinitionName;
+    }
+
+    /**
+     * @return the superProcessInstanceId
+     */
+    public String getSuperProcessInstanceId() {
+        return superProcessInstanceId;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((processInstanceId == null) ? 0 : processInstanceId.hashCode());
+        result = prime * result + ((processDefinitionId == null) ? 0 : processDefinitionId.hashCode());
+        result = prime * result + ((processDefinitionName == null) ? 0 : processDefinitionName.hashCode());
+        result = prime * result + ((superProcessInstanceId == null) ? 0 : superProcessInstanceId.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj instanceof ProcessInstanceDetail) {
+            final ProcessInstanceDetail other = (ProcessInstanceDetail) obj;
+
+            return isEqual(processInstanceId, other.processInstanceId)
+                    && isEqual(processDefinitionId, other.processDefinitionId)
+                    && isEqual(processDefinitionName, other.processDefinitionName)
+                    && isEqual(superProcessInstanceId, other.superProcessInstanceId);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return "ProcessInstanceDetail [processInstanceId=" + processInstanceId + ", processDefinitionId="
+                + processDefinitionId + ", processDefinitionName=" + processDefinitionName + ", superProcessInstanceId="
+                + superProcessInstanceId + "]";
+    }
+
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ProcessInstanceIdDetail.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ProcessInstanceIdDetail.java
new file mode 100644
index 0000000000..b0bb7acc75
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ProcessInstanceIdDetail.java
@@ -0,0 +1,66 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.model;
+
+import static org.onap.so.montoring.utils.ObjectEqualsUtils.isEqual;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+public class ProcessInstanceIdDetail {
+
+    private final String processInstanceId;
+
+
+    public ProcessInstanceIdDetail(final String processInstanceId) {
+        this.processInstanceId = processInstanceId;
+    }
+
+    /**
+     * @return the processInstancId
+     */
+    public String getProcessInstanceId() {
+        return processInstanceId;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((processInstanceId == null) ? 0 : processInstanceId.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj instanceof ProcessInstanceIdDetail) {
+            final ProcessInstanceIdDetail other = (ProcessInstanceIdDetail) obj;
+
+            return isEqual(processInstanceId, other.processInstanceId);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return "ProcessInstanceIdDetail [processInstanceId=" + processInstanceId + "]";
+    }
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ProcessInstanceVariableDetail.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ProcessInstanceVariableDetail.java
new file mode 100644
index 0000000000..9674dfea4d
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/ProcessInstanceVariableDetail.java
@@ -0,0 +1,84 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.model;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+import static org.onap.so.montoring.utils.ObjectEqualsUtils.isEqual;
+
+public class ProcessInstanceVariableDetail {
+
+    private final String name;
+    private final Object value;
+    private final String type;
+
+    public ProcessInstanceVariableDetail(final String name, final Object value, final String type) {
+        this.name = name;
+        this.value = value;
+        this.type = type;
+    }
+
+    /**
+     * @return the name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * @return the value
+     */
+    public Object getValue() {
+        return value;
+    }
+
+    /**
+     * @return the type
+     */
+    public String getType() {
+        return type;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((name == null) ? 0 : name.hashCode());
+        result = prime * result + ((value == null) ? 0 : value.hashCode());
+        result = prime * result + ((type == null) ? 0 : type.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj instanceof ProcessInstanceVariableDetail) {
+            final ProcessInstanceVariableDetail other = (ProcessInstanceVariableDetail) obj;
+
+            return isEqual(name, other.name) && isEqual(value, other.value) && isEqual(type, other.type);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return "ProcessInstanceVariableDetail [name=" + name + ", value=" + value + ", type=" + type + "]";
+    }
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/SoInfraRequest.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/SoInfraRequest.java
new file mode 100644
index 0000000000..ca392496eb
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/SoInfraRequest.java
@@ -0,0 +1,132 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.model;
+
+import static org.onap.so.montoring.utils.ObjectEqualsUtils.isEqual;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+public class SoInfraRequest {
+
+    private final String requestId;
+    private final String serviceInstanceId;
+    private final String serviceIstanceName;
+    private final String networkId;
+    private final String requestStatus;
+    private final String serviceType;
+    private final String startTime;
+    private final String endTime;
+
+    public SoInfraRequest(final SoInfraRequestBuilder requestBuilder) {
+        this.requestId = requestBuilder.getRequestId();
+        this.serviceInstanceId = requestBuilder.getServiceInstanceId();
+        this.serviceIstanceName = requestBuilder.getServiceIstanceName();
+        this.networkId = requestBuilder.getNetworkId();
+        this.requestStatus = requestBuilder.getRequestStatus();
+        this.serviceType = requestBuilder.getServiceType();
+        this.startTime = requestBuilder.getStartTime();
+        this.endTime = requestBuilder.getEndTime();
+    }
+
+    /**
+     * @return the requestId
+     */
+    public String getRequestId() {
+        return requestId;
+    }
+
+    /**
+     * @return the serviceInstanceId
+     */
+    public String getServiceInstanceId() {
+        return serviceInstanceId;
+    }
+
+    /**
+     * @return the serviceIstanceName
+     */
+    public String getServiceIstanceName() {
+        return serviceIstanceName;
+    }
+
+    /**
+     * @return the networkId
+     */
+    public String getNetworkId() {
+        return networkId;
+    }
+
+    /**
+     * @return the requestStatus
+     */
+    public String getRequestStatus() {
+        return requestStatus;
+    }
+
+    /**
+     * @return the serviceType
+     */
+    public String getServiceType() {
+        return serviceType;
+    }
+
+    /**
+     * @return the startTime
+     */
+    public String getStartTime() {
+        return startTime;
+    }
+
+    /**
+     * @return the endTime
+     */
+    public String getEndTime() {
+        return endTime;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((endTime == null) ? 0 : endTime.hashCode());
+        result = prime * result + ((networkId == null) ? 0 : networkId.hashCode());
+        result = prime * result + ((requestId == null) ? 0 : requestId.hashCode());
+        result = prime * result + ((requestStatus == null) ? 0 : requestStatus.hashCode());
+        result = prime * result + ((serviceInstanceId == null) ? 0 : serviceInstanceId.hashCode());
+        result = prime * result + ((serviceIstanceName == null) ? 0 : serviceIstanceName.hashCode());
+        result = prime * result + ((serviceType == null) ? 0 : serviceType.hashCode());
+        result = prime * result + ((startTime == null) ? 0 : startTime.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj instanceof SoInfraRequest) {
+            final SoInfraRequest other = (SoInfraRequest) obj;
+            return isEqual(requestId, other.requestId) && isEqual(serviceInstanceId, other.serviceInstanceId)
+                    && isEqual(serviceIstanceName, other.serviceIstanceName) && isEqual(networkId, other.networkId)
+                    && isEqual(requestStatus, other.requestStatus) && isEqual(serviceType, other.serviceType)
+                    && isEqual(startTime, other.startTime) && isEqual(endTime, other.endTime);
+        }
+        return false;
+    }
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/SoInfraRequestBuilder.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/SoInfraRequestBuilder.java
new file mode 100644
index 0000000000..3b996f758e
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/model/SoInfraRequestBuilder.java
@@ -0,0 +1,148 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.model;
+
+import java.sql.Timestamp;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+public class SoInfraRequestBuilder {
+
+    private String requestId;
+    private String serviceInstanceId;
+    private String serviceIstanceName;
+    private String networkId;
+    private String requestStatus;
+    private String serviceType;
+    private String startTime;
+    private String endTime;
+
+    public SoInfraRequestBuilder setRequestId(final String requestId) {
+        this.requestId = requestId;
+        return this;
+    }
+
+    public SoInfraRequestBuilder setServiceInstanceId(final String serviceInstanceId) {
+        this.serviceInstanceId = serviceInstanceId;
+        return this;
+    }
+
+    public SoInfraRequestBuilder setServiceIstanceName(final String serviceIstanceName) {
+        this.serviceIstanceName = serviceIstanceName;
+        return this;
+    }
+
+    public SoInfraRequestBuilder setNetworkId(final String networkId) {
+        this.networkId = networkId;
+        return this;
+    }
+
+    public SoInfraRequestBuilder setRequestStatus(final String requestStatus) {
+        this.requestStatus = requestStatus;
+        return this;
+    }
+
+    public SoInfraRequestBuilder setServiceType(final String serviceType) {
+        this.serviceType = serviceType;
+        return this;
+    }
+
+    public SoInfraRequestBuilder setEndTime(final String endTime) {
+        this.endTime = endTime;
+        return this;
+    }
+
+    public SoInfraRequestBuilder setEndTime(final Timestamp endTime) {
+        this.endTime = endTime != null ? endTime.toString() : null;
+        return this;
+    }
+
+
+    public SoInfraRequestBuilder setStartTime(final String startTime) {
+        this.startTime = startTime;
+        return this;
+    }
+
+    public SoInfraRequestBuilder setStartTime(final Timestamp startTime) {
+        this.startTime = startTime != null ? startTime.toString() : null;
+        return this;
+    }
+
+    public SoInfraRequest build() {
+        return new SoInfraRequest(this);
+    }
+
+    /**
+     * @return the requestId
+     */
+    public String getRequestId() {
+        return requestId;
+    }
+
+    /**
+     * @return the serviceInstanceId
+     */
+    public String getServiceInstanceId() {
+        return serviceInstanceId;
+    }
+
+    /**
+     * @return the serviceIstanceName
+     */
+    public String getServiceIstanceName() {
+        return serviceIstanceName;
+    }
+
+    /**
+     * @return the networkId
+     */
+    public String getNetworkId() {
+        return networkId;
+    }
+
+    /**
+     * @return the requestStatus
+     */
+    public String getRequestStatus() {
+        return requestStatus;
+    }
+
+    /**
+     * @return the serviceType
+     */
+    public String getServiceType() {
+        return serviceType;
+    }
+
+    /**
+     * @return the startTime
+     */
+    public String getStartTime() {
+        return startTime;
+    }
+
+    /**
+     * @return the endTime
+     */
+    public String getEndTime() {
+        return endTime;
+    }
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/CamundaProcessDataServiceProvider.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/CamundaProcessDataServiceProvider.java
new file mode 100644
index 0000000000..81e30f1176
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/CamundaProcessDataServiceProvider.java
@@ -0,0 +1,47 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.rest.service;
+
+import java.util.List;
+
+import org.onap.so.montoring.model.ActivityInstanceDetail;
+import org.onap.so.montoring.model.ProcessDefinitionDetail;
+import org.onap.so.montoring.model.ProcessInstanceDetail;
+import org.onap.so.montoring.model.ProcessInstanceIdDetail;
+import org.onap.so.montoring.model.ProcessInstanceVariableDetail;
+
+import com.google.common.base.Optional;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+public interface CamundaProcessDataServiceProvider {
+
+    Optional<ProcessInstanceIdDetail> getProcessInstanceIdDetail(final String requestId);
+    
+    Optional<ProcessInstanceDetail> getSingleProcessInstanceDetail(final String processInstanceId);
+
+    Optional<ProcessDefinitionDetail> getProcessDefinition(final String processDefinitionId);
+    
+    List<ActivityInstanceDetail> getActivityInstance(final String processInstanceId);
+    
+    List<ProcessInstanceVariableDetail> getProcessInstanceVariable(final String processInstanceId);
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/CamundaProcessDataServiceProviderImpl.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/CamundaProcessDataServiceProviderImpl.java
new file mode 100644
index 0000000000..b1815b5350
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/CamundaProcessDataServiceProviderImpl.java
@@ -0,0 +1,174 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.rest.service;
+
+import static org.onap.so.montoring.configuration.rest.HttpServiceProviderConfiguration.CAMUNDA_HTTP_REST_SERVICE_PROVIDER;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.onap.so.montoring.camunda.model.ActivityInstance;
+import org.onap.so.montoring.camunda.model.ProcessDefinition;
+import org.onap.so.montoring.camunda.model.ProcessInstance;
+import org.onap.so.montoring.camunda.model.ProcessInstanceVariable;
+import org.onap.so.montoring.configuration.camunda.CamundaRestUrlProvider;
+import org.onap.so.montoring.model.ActivityInstanceDetail;
+import org.onap.so.montoring.model.ProcessDefinitionDetail;
+import org.onap.so.montoring.model.ProcessInstanceDetail;
+import org.onap.so.montoring.model.ProcessInstanceIdDetail;
+import org.onap.so.montoring.model.ProcessInstanceVariableDetail;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.stereotype.Service;
+
+import com.google.common.base.Optional;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+@Service
+public class CamundaProcessDataServiceProviderImpl implements CamundaProcessDataServiceProvider {
+    private static final XLogger LOGGER = XLoggerFactory.getXLogger(CamundaProcessDataServiceProviderImpl.class);
+
+    private final CamundaRestUrlProvider urlProvider;
+
+    private final HttpRestServiceProvider httpRestServiceProvider;
+
+    @Autowired
+    public CamundaProcessDataServiceProviderImpl(final CamundaRestUrlProvider urlProvider,
+            @Qualifier(CAMUNDA_HTTP_REST_SERVICE_PROVIDER) @Autowired final HttpRestServiceProvider httpRestServiceProvider) {
+        this.urlProvider = urlProvider;
+        this.httpRestServiceProvider = httpRestServiceProvider;
+    }
+
+    @Override
+    public Optional<ProcessInstanceIdDetail> getProcessInstanceIdDetail(final String requestId) {
+        final String url = urlProvider.getHistoryProcessInstanceUrl(requestId);
+        final Optional<ProcessInstance[]> processInstances =
+                httpRestServiceProvider.getHttpResponse(url, ProcessInstance[].class);
+
+        if (processInstances.isPresent()) {
+            final ProcessInstance[] instances = processInstances.get();
+            LOGGER.debug("found process instance for request id: {}, result size: {}", requestId, instances.length);
+
+            if (instances.length > 0) {
+                for (int index = 0; index < instances.length; index++) {
+                    final ProcessInstance processInstance = instances[index];
+                    if (processInstance.getSuperProcessInstanceId() == null) {
+                        return Optional.of(new ProcessInstanceIdDetail(processInstance.getId()));
+                    }
+                    LOGGER.debug("found sub process instance id with super process instanceId: {}",
+                            processInstance.getSuperProcessInstanceId());
+                }
+            }
+        }
+        LOGGER.error("Unable to find process intance for request id: {}", requestId);
+        return Optional.absent();
+    }
+
+    @Override
+    public Optional<ProcessInstanceDetail> getSingleProcessInstanceDetail(final String processInstanceId) {
+        final String url = urlProvider.getSingleProcessInstanceUrl(processInstanceId);
+        final Optional<ProcessInstance> processInstances =
+                httpRestServiceProvider.getHttpResponse(url, ProcessInstance.class);
+
+        if (processInstances.isPresent()) {
+            final ProcessInstance processInstance = processInstances.get();
+
+            final ProcessInstanceDetail instanceDetail =
+                    new ProcessInstanceDetail(processInstance.getId(), processInstance.getProcessDefinitionId(),
+                            processInstance.getProcessDefinitionName(), processInstance.getSuperProcessInstanceId());
+            return Optional.of(instanceDetail);
+
+        }
+        LOGGER.error("Unable to find process intance for id: {}", processInstanceId);
+        return Optional.absent();
+    }
+
+
+    @Override
+    public Optional<ProcessDefinitionDetail> getProcessDefinition(final String processDefinitionId) {
+        final String url = urlProvider.getProcessDefinitionUrl(processDefinitionId);
+        final Optional<ProcessDefinition> response =
+                httpRestServiceProvider.getHttpResponse(url, ProcessDefinition.class);
+        if (response.isPresent()) {
+            final ProcessDefinition processDefinition = response.get();
+            final String xmlDefinition = processDefinition.getBpmn20Xml();
+            if (xmlDefinition != null) {
+                return Optional.of(new ProcessDefinitionDetail(processDefinitionId, xmlDefinition));
+            }
+        }
+        LOGGER.error("Unable to find process definition for processDefinitionId: {}", processDefinitionId);
+        return Optional.absent();
+    }
+
+    @Override
+    public List<ActivityInstanceDetail> getActivityInstance(final String processInstanceId) {
+        final String url = urlProvider.getActivityInstanceUrl(processInstanceId);
+        final Optional<ActivityInstance[]> response =
+                httpRestServiceProvider.getHttpResponse(url, ActivityInstance[].class);
+        if (response.isPresent()) {
+            final ActivityInstance[] activityInstances = response.get();
+            final List<ActivityInstanceDetail> activityInstanceDetails = new ArrayList<>(activityInstances.length);
+            for (int index = 0; index < activityInstances.length; index++) {
+
+                final ActivityInstance activityInstance = activityInstances[index];
+
+                activityInstanceDetails.add(new ActivityInstanceDetail.ActivityInstanceDetailBuilder()
+                        .activityId(activityInstance.getActivityId()).activityName(activityInstance.getActivityName())
+                        .activityType(activityInstance.getActivityType())
+                        .calledProcessInstanceId(activityInstance.getCalledProcessInstanceId())
+                        .startTime(activityInstance.getStartTime()).endTime(activityInstance.getEndTime())
+                        .durationInMilliseconds(activityInstance.getDurationInMillis())
+                        .processInstanceId(activityInstance.getProcessInstanceId()).build());
+
+            }
+            return activityInstanceDetails;
+        }
+        LOGGER.error("Unable to find activity intance detail for process instance id: {}", processInstanceId);
+        return Collections.emptyList();
+    }
+
+    @Override
+    public List<ProcessInstanceVariableDetail> getProcessInstanceVariable(final String processInstanceId) {
+        final String url = urlProvider.getProcessInstanceVariablesUrl(processInstanceId);
+        final Optional<ProcessInstanceVariable[]> response =
+                httpRestServiceProvider.getHttpResponse(url, ProcessInstanceVariable[].class);
+        if (response.isPresent()) {
+            final ProcessInstanceVariable[] instanceVariables = response.get();
+            final List<ProcessInstanceVariableDetail> instanceVariableDetails =
+                    new ArrayList<>(instanceVariables.length);
+            for (int index = 0; index < instanceVariables.length; index++) {
+                final ProcessInstanceVariable processInstanceVariable = instanceVariables[index];
+                final ProcessInstanceVariableDetail instanceVariableDetail =
+                        new ProcessInstanceVariableDetail(processInstanceVariable.getName(),
+                                processInstanceVariable.getValue(), processInstanceVariable.getType());
+                instanceVariableDetails.add(instanceVariableDetail);
+            }
+            return instanceVariableDetails;
+        }
+        LOGGER.error("Unable to find process intance variable details for process instance id: {}", processInstanceId);
+        return Collections.emptyList();
+    }
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/HttpRestServiceProvider.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/HttpRestServiceProvider.java
new file mode 100644
index 0000000000..eb80ddcd78
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/HttpRestServiceProvider.java
@@ -0,0 +1,33 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.rest.service;
+
+import com.google.common.base.Optional;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+public interface HttpRestServiceProvider {
+
+    public <T> Optional<T> getHttpResponse(final String url, final Class<T> clazz);
+
+    public <T> Optional<T> postHttpRequest(final Object object, final String url, final Class<T> clazz);
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/HttpRestServiceProviderImpl.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/HttpRestServiceProviderImpl.java
new file mode 100644
index 0000000000..35e6038a86
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/HttpRestServiceProviderImpl.java
@@ -0,0 +1,113 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.rest.service;
+
+import org.onap.so.montoring.exception.InvalidRestRequestException;
+import org.onap.so.montoring.exception.RestProcessingException;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.client.HttpClientErrorException;
+import org.springframework.web.client.RestClientException;
+import org.springframework.web.client.RestTemplate;
+
+import com.google.common.base.Optional;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+public class HttpRestServiceProviderImpl implements HttpRestServiceProvider {
+
+    private static final XLogger LOGGER = XLoggerFactory.getXLogger(HttpRestServiceProviderImpl.class);
+
+    private final RestTemplate restTemplate;
+
+    public HttpRestServiceProviderImpl(final RestTemplate restTemplate) {
+        this.restTemplate = restTemplate;
+    }
+
+    @Override
+    public <T> Optional<T> getHttpResponse(final String url, final Class<T> clazz) {
+        LOGGER.trace("Will invoke HTTP GET using URL: {}", url);
+        try {
+            final ResponseEntity<T> response = restTemplate.exchange(url, HttpMethod.GET, null, clazz);
+            if (!response.getStatusCode().equals(HttpStatus.OK)) {
+                LOGGER.error("Unable to invoke HTTP GET using URL: {}, Response Code: {}", url,
+                        response.getStatusCode());
+                return Optional.absent();
+            }
+
+            if (response.hasBody()) {
+                return Optional.of(response.getBody());
+            }
+        } catch (final HttpClientErrorException httpClientErrorException) {
+            LOGGER.error("Unable to invoke HTTP GET using url: {}, Response: {}", url,
+                    httpClientErrorException.getRawStatusCode(), httpClientErrorException);
+            final int rawStatusCode = httpClientErrorException.getRawStatusCode();
+            if (rawStatusCode == HttpStatus.BAD_REQUEST.value() || rawStatusCode == HttpStatus.NOT_FOUND.value()) {
+                throw new InvalidRestRequestException("No result found for given url: " + url);
+            }
+            throw new RestProcessingException("Unable to invoke HTTP GET using URL: " + url);
+
+        } catch (final RestClientException restClientException) {
+            LOGGER.error("Unable to invoke HTTP GET using url: {}", url, restClientException);
+            throw new RestProcessingException("Unable to invoke HTTP GET using URL: " + url, restClientException);
+        }
+
+        return Optional.absent();
+    }
+
+    @Override
+    public <T> Optional<T> postHttpRequest(final Object object, final String url, final Class<T> clazz) {
+        try {
+            final HttpEntity<?> request = new HttpEntity<>(object);
+            final ResponseEntity<T> response = restTemplate.exchange(url, HttpMethod.POST, request, clazz);
+            if (!response.getStatusCode().equals(HttpStatus.OK)) {
+                LOGGER.error("Unable to invoke HTTP GET using URL: {}, Response Code: {}", url,
+                        response.getStatusCode());
+                return Optional.absent();
+            }
+
+            if (response.hasBody()) {
+                return Optional.of(response.getBody());
+            }
+
+        } catch (final HttpClientErrorException httpClientErrorException) {
+            LOGGER.error("Unable to invoke HTTP POST using url: {}, Response: {}", url,
+                    httpClientErrorException.getRawStatusCode(), httpClientErrorException);
+            final int rawStatusCode = httpClientErrorException.getRawStatusCode();
+            if (rawStatusCode == HttpStatus.BAD_REQUEST.value() || rawStatusCode == HttpStatus.NOT_FOUND.value()) {
+                throw new InvalidRestRequestException("No result found for given url: " + url);
+            }
+            throw new RestProcessingException("Unable to invoke HTTP POST using URL: " + url);
+
+        } catch (final RestClientException restClientException) {
+            LOGGER.error("Unable to invoke HTTP POST using url: {}", url, restClientException);
+            throw new RestProcessingException("Unable to invoke HTTP POST using URL: " + url, restClientException);
+        }
+
+        return Optional.absent();
+    }
+
+
+}
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/utils/ObjectEqualsUtils.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/utils/ObjectEqualsUtils.java
new file mode 100644
index 0000000000..496ad26bea
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/utils/ObjectEqualsUtils.java
@@ -0,0 +1,36 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.
+ * 
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.montoring.utils;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+public class ObjectEqualsUtils {
+
+    private ObjectEqualsUtils() {}
+
+    public static boolean isEqual(final Object objectA, final Object objectB) {
+        if (objectA == null) {
+            return objectB == null;
+        }
+        return objectA.equals(objectB);
+    }
+
+}