Added the "@Override" annotation

1) Move the string literal on the left side of the actual string comparison.

Issue-ID: POLICY-239
Change-Id: I3185a00c815aee8d25637d8646221eb87608f989
Signed-off-by: rama-huawei <rama.subba.reddy.s@huawei.com>
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyParameters.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyParameters.java
index 1078916..2062638 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyParameters.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyParameters.java
@@ -568,6 +568,7 @@
 		this.extendedOption = extendedOption;
 	}
 	
+	@Override
 	public String toString() {
 		return "PolicyParameters [ policyName=" + policyName + ", policyDescription=" + policyDescription + ", onapName="+ onapName 
 				+ ", configName=" + configName + ", attributes=" + attributes + ", configBody=" + configBody 
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyResponseStatus.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyResponseStatus.java
index 4368b64..63cb918 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyResponseStatus.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyResponseStatus.java
@@ -55,9 +55,9 @@
 	 * @return the <code>PolicyResponseStatus</code> with the name matching <code>ACTION_ADVISED</code> or <code>ACTION_TAKEN</code> or <code>NO_ACTION_REQUIRED</code>
 	 */
 	public static PolicyResponseStatus getStatus(String responseStatus) {
-		if(responseStatus.equalsIgnoreCase("action_advised")) {
+		if("action_advised".equalsIgnoreCase(responseStatus)) {
 			return ACTION_ADVISED;
-		}else if(responseStatus.equalsIgnoreCase("action_taken")) {
+		}else if("action_taken".equalsIgnoreCase(responseStatus)) {
 			return ACTION_TAKEN;
 		}else {
 			return NO_ACTION_REQUIRED;
@@ -69,6 +69,7 @@
 	 * 
 	 * @return the <code>String</code> name for this <code>PolicyResponseStatus</code>
 	 */
+	@Override
 	public String toString(){
 		return this.name;
 	}
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyType.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyType.java
index f026596..a29a6c4 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyType.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/PolicyType.java
@@ -57,6 +57,7 @@
 	 * Returns the <code>String</code> format of Type for this <code>PolicyType</code>
 	 * @return the <code>String</code> of the Type for this <code>PolicyType</code>
 	 */
+	@Override
 	public String toString() {
 		return this.name;
 	}
diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/api/RuleProvider.java b/PolicyEngineAPI/src/main/java/org/onap/policy/api/RuleProvider.java
index c34e05e..94ad678 100644
--- a/PolicyEngineAPI/src/main/java/org/onap/policy/api/RuleProvider.java
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/api/RuleProvider.java
@@ -57,6 +57,7 @@
 	 * Returns the <code>String</code> format of Type for this <code>AttributeType</code>
 	 * @return the <code>String</code> of the Type for this <code>AttributeType</code>
 	 */
+	@Override
 	public String toString() {
 		return this.name;
 	}