Flip right hand side and left hand side of if-condition

Change-Id: Ic7574e645d0d6b5dc7a1e25ae2eb36212c96ab4b

@@ -144,7 +144,7 @@ public class PcepAttributeVer1 implements PcepAttribute {
      */
     public boolean parseMetricList(ChannelBuffer cb) throws PcepParseException {
 
-        if (null == llMetricList) {
+        if (llMetricList == null) {
             llMetricList = new LinkedList<PcepMetricObject>();
         }
 

@@ -120,8 +120,8 @@ public class PcepEndPointsObjectVer1 implements PcepEndPointsObject {
         int destIpAddress;
 
         endPointsObjHeader = PcepObjectHeader.read(cb);
-        if (END_POINTS_OBJ_TYPE == endPointsObjHeader.getObjType()
-                && END_POINTS_OBJ_CLASS == endPointsObjHeader.getObjClass()) {
+        if (endPointsObjHeader.getObjType() == END_POINTS_OBJ_TYPE
+                && endPointsObjHeader.getObjClass() == END_POINTS_OBJ_CLASS) {
             sourceIpAddress = cb.readInt();
             destIpAddress = cb.readInt();
         } else {

@@ -212,7 +212,7 @@ public class PcepErrorObjectVer1 implements PcepErrorObject {
         while (listIterator.hasNext()) {
             PcepValueType tlv = listIterator.next();
 
-            if (null == tlv) {
+            if (tlv == null) {
                 log.debug("TLV is null from OptionalTlv list");
                 continue;
             }

@@ -393,12 +393,12 @@ public class PcepErrorVer1 implements PcepError {
         ToStringHelper toStrHelper = MoreObjects.toStringHelper(getClass());
 
         //RP Object list is optional
-        if (null != llRPObjList) {
+        if (llRPObjList != null) {
             toStrHelper.add("RpObjectList", llRPObjList);
         }
 
         //TE Object list is optional
-        if (null != llTEObjList) {
+        if (llTEObjList != null) {
             toStrHelper.add("TeObjectList", llTEObjList);
         }
 

@@ -126,7 +126,7 @@ class PcepInitiateMsgVer1 implements PcepInitiateMsg {
 
             boolean isDelLspRequest = false;
 
-            if (null == cb) {
+            if (cb == null) {
                 throw new PcepParseException("Channel buffer is empty");
             }
 

@@ -250,7 +250,7 @@ public class PcepLabelObjectVer1 implements PcepLabelObject {
         while (listIterator.hasNext()) {
             PcepValueType tlv = listIterator.next();
 
-            if (null == tlv) {
+            if (tlv == null) {
                 log.debug("tlv is null from OptionalTlv list");
                 continue;
             }

@@ -235,7 +235,7 @@ public class PcepLabelRangeObjectVer1 implements PcepLabelRangeObject {
         while (listIterator.hasNext()) {
             PcepValueType tlv = listIterator.next();
 
-            if (null == tlv) {
+            if (tlv == null) {
                 log.debug("tlv is null from OptionalTlv list");
                 continue;
             }

@@ -377,7 +377,7 @@ public class PcepLspObjectVer1 implements PcepLspObject {
         while (listIterator.hasNext()) {
             PcepValueType tlv = listIterator.next();
 
-            if (null == tlv) {
+            if (tlv == null) {
                 log.debug("tlv is null from OptionalTlv list");
                 continue;
             }

@@ -308,7 +308,7 @@ public class PcepLspaObjectVer1 implements PcepLspaObject {
         ListIterator<PcepValueType> listIterator = llOptionalTlv.listIterator();
         while (listIterator.hasNext()) {
             PcepValueType tlv = listIterator.next();
-            if (null == tlv) {
+            if (tlv == null) {
                 log.debug("Warning: tlv is null from OptionalTlv list");
                 continue;
             }

@@ -326,7 +326,7 @@ public class PcepOpenObjectVer1 implements PcepOpenObject {
         ListIterator<PcepValueType> listIterator = llOptionalTlv.listIterator();
         while (listIterator.hasNext()) {
             PcepValueType tlv = listIterator.next();
-            if (null == tlv) {
+            if (tlv == null) {
                 log.debug("TLV is null from OptionalTlv list");
                 continue;
             }

@@ -253,7 +253,7 @@ class PcepReportMsgVer1 implements PcepReportMsg {
                 PcepSrpObject srpObj = stateRpt.getSrpObject();
 
                 //SRP object is optional
-                if (null != srpObj) {
+                if (srpObj != null) {
                     srpObj.write(cb);
                 }
 

@@ -159,7 +159,7 @@ public class PcepSrpObjectVer1 implements PcepSrpObject {
 
         srpObjHeader = PcepObjectHeader.read(cb);
 
-        if (SRP_OBJ_CLASS != srpObjHeader.getObjClass()) {
+        if (srpObjHeader.getObjClass() != SRP_OBJ_CLASS) {
             throw new PcepParseException("SRP object expected. But received " + srpObjHeader.getObjClass());
         }
 
@@ -258,7 +258,7 @@ public class PcepSrpObjectVer1 implements PcepSrpObject {
         while (listIterator.hasNext()) {
             PcepValueType tlv = listIterator.next();
 
-            if (null == tlv) {
+            if (tlv == null) {
                 log.debug("tlv is null from OptionalTlv list");
                 continue;
             }

@@ -98,22 +98,22 @@ public class PcepStateReportVer1 implements PcepStateReport {
             this.attrList = attrList;
             this.rroObj = rroObj;
             this.bandwidth = bandwidth;
-            if (null == rroObj) {
+            if (rroObj == null) {
                 this.isRroObjectSet = false;
             } else {
                 this.isRroObjectSet = true;
             }
-            if (null == eroObj) {
+            if (eroObj == null) {
                 this.isEroObjectSet = false;
             } else {
                 this.isEroObjectSet = true;
             }
-            if (null == attrList) {
+            if (attrList == null) {
                 this.isAttributeListSet = false;
             } else {
                 this.isAttributeListSet = true;
             }
-            if (null == bandwidth) {
+            if (bandwidth == null) {
                 this.isBandwidthObjectSet = false;
             } else {
                 this.isBandwidthObjectSet = true;

@@ -343,7 +343,7 @@ public class PcepTEObjectVer1 implements PcepTEObject {
         while (listIterator.hasNext()) {
             PcepValueType tlv = listIterator.next();
 
-            if (null == tlv) {
+            if (tlv == null) {
                 log.debug("TLV is null from OptionalTlv list");
                 continue;
             }

@@ -152,7 +152,7 @@ public class LocalTENodeDescriptorsTLV implements PcepValueType {
 
         while (listIterator.hasNext()) {
             PcepValueType tlv = listIterator.next();
-            if (null == tlv) {
+            if (tlv == null) {
                 log.debug("TLV is null from subTlv list");
                 continue;
             }

@@ -102,13 +102,13 @@ public class PcepRsvpUserErrorSpec implements PcepRsvpErrorSpec {
         cb.writeShort(userErrorValue);
         cb.writeBytes(errDesc);
 
-        if (null != llRsvpUserSpecSubObj) {
+        if (llRsvpUserSpecSubObj != null) {
 
             ListIterator<PcepValueType> listIterator = llRsvpUserSpecSubObj.listIterator();
 
             while (listIterator.hasNext()) {
                 PcepValueType tlv = listIterator.next();
-                if (null == tlv) {
+                if (tlv == null) {
                     continue;
                 }
                 tlv.write(cb);
@@ -145,7 +145,7 @@ public class PcepRsvpUserErrorSpec implements PcepRsvpErrorSpec {
 
         objHeader = PcepRsvpSpecObjHeader.read(cb);
 
-        if (CLASS_NUM != objHeader.getObjClassNum() || CLASS_TYPE != objHeader.getObjClassType()) {
+        if (objHeader.getObjClassNum() != CLASS_NUM || objHeader.getObjClassType() != CLASS_TYPE) {
             throw new PcepParseException("Expected PcepRsvpUserErrorSpec object.");
         }
         enterpriseNum = cb.readInt();

@@ -154,7 +154,7 @@ public class RemoteTENodeDescriptorsTLV implements PcepValueType {
         while (listIterator.hasNext()) {
             PcepValueType tlv = listIterator.next();
 
-            if (null == tlv) {
+            if (tlv == null) {
                 log.debug("TLV is null from subTlv list");
                 continue;
             }

@@ -152,7 +152,7 @@ public class TELinkAttributesTlv implements PcepValueType {
         while (listIterator.hasNext()) {
             PcepValueType tlv = listIterator.next();
 
-            if (null == tlv) {
+            if (tlv == null) {
                 log.debug("TLV is null from subTlv list");
                 continue;
             }

@@ -628,7 +628,7 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
         PcepValueType tlv;
         LinkedList<PcepValueType> llSubObjects = createPcepPath(path);
 
-        if (null == llSubObjects || 0 == llSubObjects.size()) {
+        if (llSubObjects == null || llSubObjects.size() == 0) {
             log.error("There is no link information to create tunnel");
             return null;
         }
@@ -661,7 +661,7 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
         PcepEroObject eroobj = pc.factory().buildEroObject().setSubObjects(llSubObjects).build();
 
         int iBandwidth = DEFAULT_BANDWIDTH_VALUE;
-        if (null != tunnel.annotations().value("bandwidth")) {
+        if (tunnel.annotations().value("bandwidth") != null) {
             iBandwidth = Integer.parseInt(tunnel.annotations().value("bandwidth"));
         }
         // build bandwidth object
@@ -692,7 +692,7 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
 
             LinkedList<PcInitiatedLspRequest> llPcInitiatedLspRequestList = createPcInitiatedLspReqList(tunnel, path,
                                                                                                         pc, srpId);
-            if (null == llPcInitiatedLspRequestList || 0 == llPcInitiatedLspRequestList.size()) {
+            if (llPcInitiatedLspRequestList == null || llPcInitiatedLspRequestList.size() == 0) {
                 log.error("Failed to create PcInitiatedLspRequestList");
                 return;
             }
@@ -740,7 +740,7 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             LinkedList<PcepValueType> llOptionalTlv = new LinkedList<PcepValueType>();
             LinkedList<PcInitiatedLspRequest> llPcInitiatedLspRequestList = new LinkedList<PcInitiatedLspRequest>();
 
-            if (null != statefulIpv4IndentifierTlv) {
+            if (statefulIpv4IndentifierTlv != null) {
                 tlv = statefulIpv4IndentifierTlv;
             } else {
                 tlv = new StatefulIPv4LspIdentidiersTlv((
@@ -819,7 +819,7 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             PcepEroObject eroobj = pc.factory().buildEroObject().setSubObjects(llSubObjects).build();
 
             int iBandwidth = DEFAULT_BANDWIDTH_VALUE;
-            if (null != tunnel.annotations().value("bandwidth")) {
+            if (tunnel.annotations().value("bandwidth") != null) {
                 iBandwidth = Integer.parseInt(tunnel.annotations().value("bandwidth"));
             }
             // build bandwidth object
@@ -957,7 +957,7 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
                     break;
                 }
             }
-            if (null != ipv4LspTlv) {
+            if (ipv4LspTlv != null) {
                 pcepTunnelData.setStatefulIpv4IndentifierTlv(ipv4LspTlv);
             }
 
@@ -1021,7 +1021,7 @@ public class PcepTunnelProvider extends AbstractProvider implements TunnelProvid
             }
             log.debug("Sync report received");
 
-            if (null != msgPath.getBandwidthObject()) {
+            if (msgPath.getBandwidthObject() != null) {
                 bandwidth = msgPath.getBandwidthObject().getBandwidth();
             }