Moving all files to root directory

Change-Id: Ica5535fd6ec85f350fe1640b42137b49f83f10f0
Signed-off-by: Patrick Brady <pb071s@att.com>

11 files changed, 568 insertions, 0 deletions

diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-api/.gitignore b/appc-dispatcher/appc-command-executor/appc-command-executor-api/.gitignore
new file mode 100644
index 000000000..b83d22266
--- /dev/null
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-api/.gitignore
@@ -0,0 +1 @@
+/target/
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-api/.settings/org.eclipse.wst.common.project.facet.core.xml b/appc-dispatcher/appc-command-executor/appc-command-executor-api/.settings/org.eclipse.wst.common.project.facet.core.xml
new file mode 100644
index 000000000..f4ef8aa0a
--- /dev/null
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-api/.settings/org.eclipse.wst.common.project.facet.core.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<faceted-project>
+  <installed facet="java" version="1.8"/>
+</faceted-project>
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-api/pom.xml b/appc-dispatcher/appc-command-executor/appc-command-executor-api/pom.xml
new file mode 100644
index 000000000..645f0b630
--- /dev/null
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-api/pom.xml
@@ -0,0 +1,60 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+		<parent>
+	    <groupId>org.openecomp.appc</groupId>
+	    <artifactId>appc-command-executor</artifactId>
+	    <version>1.0.0</version>
+	  </parent>
+  <artifactId>appc-command-executor-api</artifactId>
+  <packaging>bundle</packaging>
+
+  <name>appc-command-executor-api</name>
+  <url>http://maven.apache.org</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.openecomp.appc</groupId>
+      <artifactId>execution-queue-management-lib</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+      <dependency>
+          <groupId>org.openecomp.appc</groupId>
+      <artifactId>domain-model-lib</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+      <dependency>
+          <groupId>org.openecomp.appc</groupId>
+          <artifactId>appc-common</artifactId>
+          <version>${project.version}</version>
+      </dependency>
+      <!--<dependency>-->
+          <!--<groupId>org.apache.commons</groupId>-->
+          <!--<artifactId>commons-lang3</artifactId>-->
+          <!--<version>3.4</version>-->
+          <!--<scope>provided</scope>-->
+          <!--<type>bundle</type>-->
+      <!--</dependency>-->
+  </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+                <configuration>
+                    <instructions>
+                        <Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
+                        <Bundle-Version>${project.version}</Bundle-Version>
+                        <Export-Package>org.openecomp.appc.executor,org.openecomp.appc.executor.objects,org.openecomp.appc.executor.conv,org.openecomp.appc.executor.helper</Export-Package>
+                        <Embed-Dependency>appc-common,eelf-core,logback-core,logback-classic,javax.json;scope=compile|runtime;inline=false</Embed-Dependency>
+                        <Embed-Transitive>true</Embed-Transitive>
+                        <Import-Package>!groovy.lang,!javax.*,!org.apache.log,!org.apache.log4j.*,!org.codehaus.jackson.*,!org.codehaus.jackson.map.*,!org.codehaus.commons.compiler,!org.codehaus.groovy.*,!org.codehaus.janino,!org.jasypt.*,!com.ibm.icu.*,!com.sun.faces.*,*</Import-Package>
+                    </instructions>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/CommandExecutor.java b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/CommandExecutor.java
new file mode 100644
index 000000000..ac5223b93
--- /dev/null
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/CommandExecutor.java
@@ -0,0 +1,41 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+/**
+ *
+ */
+package org.openecomp.appc.executor;
+
+
+import org.openecomp.appc.exceptions.APPCException;
+import org.openecomp.appc.executor.objects.CommandExecutorInput;
+
+
+
+public interface CommandExecutor {
+    /**
+     * Execute given command
+     * Create command request and enqueue it for execution.
+     * @param commandHeaderInput Contains CommandHeader,  command , target Id , payload and conf ID (optional)
+     * @throws APPCException in case of error.
+     */
+    void executeCommand(CommandExecutorInput commandHeaderInput) throws APPCException;
+}
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/UnstableVNFException.java b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/UnstableVNFException.java
new file mode 100644
index 000000000..3727cdb40
--- /dev/null
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/UnstableVNFException.java
@@ -0,0 +1,29 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.executor;
+
+
+public class UnstableVNFException extends Exception{
+    public UnstableVNFException(String message){
+        super(message);
+    }
+}
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/conv/Converter.java b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/conv/Converter.java
new file mode 100644
index 000000000..a9991e43e
--- /dev/null
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/conv/Converter.java
@@ -0,0 +1,49 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.executor.conv;
+
+import java.io.IOException;
+
+import org.openecomp.appc.executor.objects.Params;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+
+public class Converter {
+
+    public static Params convJsonStringToParams(String inObj) throws IOException {
+        Params outObj = null;
+        if(inObj != null) {
+            outObj = new ObjectMapper().readValue(inObj, Params.class);
+        }
+        return outObj;
+    }
+
+    public static String convParamsToJsonString(Params inObj) throws JsonProcessingException {
+        String outObj = null;
+        if(inObj != null) {
+            outObj = new ObjectMapper().writeValueAsString(inObj);
+        }
+        return outObj;
+    }
+}
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/CommandExecutorInput.java b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/CommandExecutorInput.java
new file mode 100644
index 000000000..4cb5f1b99
--- /dev/null
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/CommandExecutorInput.java
@@ -0,0 +1,54 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.executor.objects;
+
+import org.openecomp.appc.domainmodel.lcm.RuntimeContext;
+
+public class CommandExecutorInput {
+	private RuntimeContext runtimeContext ;
+	private int ttl;
+
+
+	public RuntimeContext getRuntimeContext() {
+		return runtimeContext;
+	}
+
+	public void setRuntimeContext(RuntimeContext runtimeContext) {
+		this.runtimeContext = runtimeContext;
+	}
+
+	public int getTtl() {
+		return ttl;
+	}
+
+	public void setTtl(int ttl) {
+		this.ttl = ttl;
+	}
+
+	@Override
+	public String toString() {
+		return "CommandExecutorInput{" +
+				"runtimeContext=" + runtimeContext +
+				", ttl=" + ttl +
+				'}';
+	}
+}
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/CommandResponse.java b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/CommandResponse.java
new file mode 100644
index 000000000..c973fcde1
--- /dev/null
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/CommandResponse.java
@@ -0,0 +1,38 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.executor.objects;
+
+import org.openecomp.appc.domainmodel.lcm.RuntimeContext;
+
+
+public class CommandResponse {
+
+    private RuntimeContext runtimeContext;
+
+    public RuntimeContext getRuntimeContext() {
+        return runtimeContext;
+    }
+
+    public void setRuntimeContext(RuntimeContext runtimeContext) {
+        this.runtimeContext = runtimeContext;
+    }
+}
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/LCMCommandStatus.java b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/LCMCommandStatus.java
new file mode 100644
index 000000000..4e3a40e75
--- /dev/null
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/LCMCommandStatus.java
@@ -0,0 +1,112 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.executor.objects;
+
+
+import org.apache.commons.lang3.StringUtils;
+import org.openecomp.appc.util.MessageFormatter;
+
+import java.util.Map;
+
+public enum LCMCommandStatus {
+
+    ACCEPTED(100,"ACCEPTED - request accepted"),
+
+    //ERROR(2xx) – request can’t be handled due to some technical error
+    UNEXPECTED_ERROR(200,"UNEXPECTED ERROR - ${errorMsg}"),
+
+    //REJECT(3xx) – request has been rejected due to some business reason (e.g. no such service-instance-id, command is not supported, etc)
+    REJECTED(300,"REJECTED - ${errorMsg}"),
+    INVALID_INPUT_PARAMETER(301,"INVALID INPUT PARAMETER - ${errorMsg}"),// TODO 77777777 to support "${paramName} with invalid value ${paramValue}"
+    MISSING_MANDATORY_PARAMETER(302,"MISSING MANDATORY PARAMETER - Parameter/s ${paramName} is/are missing" ),
+    REQUEST_PARSING_FAILED(303,"REQUEST PARSING FAILED - ${errorMsg}"),
+    NO_TRANSITION_DEFINE(304,"ACTION IS NOT ALLOWED - Action ${actionName} is not allowed for VNF in state ${currentState}"),
+    ACTION_NOT_SUPPORTED(305,"ACTION NOT SUPPORTED - ${actionName} action is not supported" ),
+    VNF_NOT_FOUND(306,"VNF NOT FOUND - VNF with ID ${vnfId} was not found" ),
+    DG_WORKFLOW_NOT_FOUND(307,"DG WORKFLOW NOT FOUND - No DG workflow found for the combination of ${dgModule} module ${dgName} name and ${dgVersion} version"),//TODO need to support it
+    WORKFLOW_NOT_FOUND(308,"WORKFLOW NOT FOUND - No workflow found for VNF type ${vnfTypeVersion} and ${actionName} action"),
+	UNSTABLE_VNF(309,"UNSTABLE VNF - VNF ${vnfId} is not stable to accept the command"),
+    LOCKING_FAILURE(310,"LOCKING FAILURE - ${errorMsg}" ),
+	EXPIRED_REQUEST(311,"EXPIRED REQUEST"),
+    DUPLICATE_REQUEST(312,"DUPLICATE REQUEST"),
+
+    SUCCESS(400,"SUCCESS - request has been processed successfully"),
+
+
+    //        FAILURE(5xx) – request processing results with failure. The FAILURE response is always transmitted asynchronously, via DMaaP.
+    DG_FAILURE(401,"DG FAILURE - ${errorMsg}"),
+    NO_TRANSITION_DEFINE_FAILURE(402,"NO TRANSITION DEFINE - No Transition Defined for ${actionName} action and ${currentState} state"),
+    UPDATE_AAI_FAILURE(403,"UPDATE_AAI_FAILURE - failed to update AAI. ${errorMsg}"),
+    EXPIRED_REQUEST_FAILURE(404,"EXPIRED REQUEST FAILURE - failed after accepted because TTL expired"),
+    UNEXPECTED_FAILURE(405,"UNEXPECTED FAILURE - ${errorMsg}"),
+    UNSTABLE_VNF_FAILURE(406,"UNSTABLE VNF FAILURE - VNF ${vnfId} is not stable to accept the command"),
+
+        ;
+
+
+    public static final String errorDgMessageParamName = "errorDgMessage";
+
+	private int responseCode;
+	private String responseMessage;
+
+
+
+
+    LCMCommandStatus(int responseCode, String responseMessage) {
+        this.responseCode = responseCode;
+        this.responseMessage = responseMessage;
+            }
+
+    public String getResponseMessage() {
+		return responseMessage;
+	}
+
+	public int getResponseCode() {
+		return responseCode;
+	}
+
+
+	/**
+     *
+     * @return  messageTemplate
+     */
+
+
+    public String getFormattedMessage(Params params){
+            Map<String,Object> paramsMap = params != null ? params.getParams() : null;
+            return MessageFormatter.format(getResponseMessage(),paramsMap);
+
+        }
+
+    public String getFormattedMessageWithCode(Params params){
+        return getResponseCode()+"-" + getFormattedMessage(params);
+    }
+
+    @Override
+    public String toString() {
+        return "LCMCommandStatus{" +
+                "responseCode=" + responseCode +
+                ", responseMessage='" + responseMessage + '\'' +
+                '}';
+    }
+}
+
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/Params.java b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/Params.java
new file mode 100644
index 000000000..8db4f6576
--- /dev/null
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/Params.java
@@ -0,0 +1,57 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.executor.objects;
+
+import java.lang.Object;
+import java.util.HashMap;
+import java.util.Map;
+
+
+public class Params {
+    public static final String paramDgNameSpace = "dg.status.message.param.";
+    public static final String errorDgMessageParamName = "errorDgMessage";
+    private Map<String, java.lang.Object> params;
+
+    public Params() {
+    }
+
+    public Map<String, java.lang.Object> getParams() {
+        return params;
+    }
+
+    public void setParams(Map<String, java.lang.Object> params) {
+        this.params = params;
+    }
+
+    public Params addParam(String paramName, java.lang.Object paramValue) {
+        params = params == null ? new HashMap<String, Object>() : params;
+        params.put(paramName, paramValue);
+        return this;
+    }
+
+    @Override
+    public String toString() {
+        return "Params{" +
+                "params=" + params +
+                '}';
+    }
+}
diff --git a/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/UniqueRequestIdentifier.java b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/UniqueRequestIdentifier.java
new file mode 100644
index 000000000..0e33ca4c2
--- /dev/null
+++ b/appc-dispatcher/appc-command-executor/appc-command-executor-api/src/main/java/org/openecomp/appc/executor/objects/UniqueRequestIdentifier.java
@@ -0,0 +1,123 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.executor.objects;
+
+
+import org.apache.commons.lang3.StringUtils;
+
+
+public class UniqueRequestIdentifier {
+    private static final String IDENTIFIER_DELIMITER = "@";
+
+    private String originatorID;
+    private String requestID;
+    private String subRequestID;
+
+    private UniqueRequestIdentifier(){
+
+    }
+    public UniqueRequestIdentifier(String originatorID,
+                                   String requestID,
+                                   String subRequestID) {
+        this();
+        this.originatorID = originatorID;
+        this.requestID = requestID;
+        this.subRequestID = subRequestID;
+    }
+
+    public String toIdentifierString(){
+        StringBuilder stringBuilder = new StringBuilder();
+        if(originatorID != null){
+            stringBuilder.append(originatorID);
+        }
+        stringBuilder.append(IDENTIFIER_DELIMITER);
+
+        if(requestID != null){
+            stringBuilder.append(requestID);
+        }
+        stringBuilder.append(IDENTIFIER_DELIMITER);
+
+        if(subRequestID != null){
+            stringBuilder.append(subRequestID);
+        }
+        return stringBuilder.toString();
+    }
+
+    public static UniqueRequestIdentifier getUniqueRequestIdentifier(String identifierString){
+        String[] splitIdentifier = identifierString.split(IDENTIFIER_DELIMITER);
+        if(splitIdentifier == null || splitIdentifier.length <2){
+            throw new IllegalArgumentException("input identifierString is not valid "+identifierString);
+        }
+        String originatorID = splitIdentifier[0];
+        String requestID = StringUtils.isEmpty(splitIdentifier[1])? null :splitIdentifier[1];
+        String subRequestID = splitIdentifier.length>=3 ? splitIdentifier[2] : null;
+        return new UniqueRequestIdentifier(originatorID,requestID,subRequestID);
+    }
+    public String toString(){
+        return "originatorID = " + originatorID +
+                " , requestID = " + requestID +
+                " , subRequestID = " + subRequestID;
+    }
+    @Override
+    public boolean equals(Object obj){
+        if(obj ==null){
+            return false;
+        }
+        if(!(obj instanceof UniqueRequestIdentifier)){
+            return false;
+        }
+        UniqueRequestIdentifier identifier = (UniqueRequestIdentifier)obj;
+        if(this.originatorID == null){
+            if(identifier.originatorID !=null)
+                return false;
+        }
+        else if(!this.originatorID.equals(identifier.originatorID))
+            return false;
+
+        if(this.requestID == null){
+            if(identifier.requestID !=null)
+                return false;
+        }
+        else if(!this.requestID.equals(identifier.requestID))
+            return false;
+
+        if(this.subRequestID == null){
+            if(identifier.subRequestID !=null)
+                return false;
+        }
+        else if(!this.subRequestID.equals(identifier.subRequestID))
+            return false;
+
+        return true;
+    }
+    @Override
+    public int hashCode(){
+        final int prime = 31;
+        int result = 1;
+        result = result * prime + (this.originatorID == null ? 0 :this.originatorID.hashCode());
+        result = result * prime + (this.requestID == null ? 0 :this.requestID.hashCode());
+        result = result * prime + (this.subRequestID == null ? 0 :this.subRequestID.hashCode());
+        return result;
+    }
+
+
+}