Enable maven-checkstyle-plugin in apex-pdp

Enable maven-checkstyle-plugin in apex-pdp/pom.xml to fail the build at warning level.
Fix all the existing check style issues in the component.

Change-Id: I4de9c1bd9ca5a2876de9086d2d3526cbdc25c080
Issue-ID: POLICY-1732
Signed-off-by: a.sreekumar <ajith.sreekumar@est.tech>

2 files changed, 3 insertions, 7 deletions

diff --git a/model/context-model/src/main/java/org/onap/policy/apex/model/contextmodel/concepts/AxContextAlbum.java b/model/context-model/src/main/java/org/onap/policy/apex/model/contextmodel/concepts/AxContextAlbum.java
index e27bf78e8..7dddc4099 100644
--- a/model/context-model/src/main/java/org/onap/policy/apex/model/contextmodel/concepts/AxContextAlbum.java
+++ b/model/context-model/src/main/java/org/onap/policy/apex/model/contextmodel/concepts/AxContextAlbum.java
@@ -22,7 +22,6 @@
 package org.onap.policy.apex.model.contextmodel.concepts;
 
 import java.util.List;
-
 import javax.persistence.AttributeOverride;
 import javax.persistence.AttributeOverrides;
 import javax.persistence.Column;
@@ -35,7 +34,6 @@ import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlRootElement;
 import javax.xml.bind.annotation.XmlType;
-
 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
 import org.onap.policy.apex.model.basicmodel.concepts.AxConcept;
 import org.onap.policy.apex.model.basicmodel.concepts.AxKey;
@@ -106,7 +104,7 @@ public class AxContextAlbum extends AxConcept {
     @AttributeOverrides({
         @AttributeOverride(name = "name", column = @Column(name = "itemSchemaName")),
         @AttributeOverride(name = "version", column = @Column(name = "itemSchemaVersion"))
-    })
+        })
     @Column(name = "itemSchema")
     @XmlElement(name = "itemSchema", required = true)
     private AxArtifactKey itemSchema;
diff --git a/model/context-model/src/main/java/org/onap/policy/apex/model/contextmodel/concepts/AxContextModel.java b/model/context-model/src/main/java/org/onap/policy/apex/model/contextmodel/concepts/AxContextModel.java
index b2139f893..17980ed65 100644
--- a/model/context-model/src/main/java/org/onap/policy/apex/model/contextmodel/concepts/AxContextModel.java
+++ b/model/context-model/src/main/java/org/onap/policy/apex/model/contextmodel/concepts/AxContextModel.java
@@ -22,7 +22,6 @@
 package org.onap.policy.apex.model.contextmodel.concepts;
 
 import java.util.List;
-
 import javax.persistence.CascadeType;
 import javax.persistence.Entity;
 import javax.persistence.JoinColumn;
@@ -34,7 +33,6 @@ import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlRootElement;
 import javax.xml.bind.annotation.XmlType;
-
 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
 import org.onap.policy.apex.model.basicmodel.concepts.AxConcept;
 import org.onap.policy.apex.model.basicmodel.concepts.AxKey;
@@ -69,7 +67,7 @@ public class AxContextModel extends AxModel {
     @JoinColumns({
         @JoinColumn(name = "schemasName", referencedColumnName = "name"),
         @JoinColumn(name = "schemasVersion", referencedColumnName = "version")
-    })
+        })
     @XmlElement(name = "schemas", required = true)
     private AxContextSchemas schemas;
 
@@ -77,7 +75,7 @@ public class AxContextModel extends AxModel {
     @JoinColumns({
         @JoinColumn(name = "albumsName", referencedColumnName = "name"),
         @JoinColumn(name = "albumsVersion", referencedColumnName = "version")
-    })
+        })
     @XmlElement(name = "albums", required = true)
     private AxContextAlbums albums;
     // @formatter:on