cherry pick [ONOS-5002] [ONOS-4986] defect fix in release bandwidth to master

Change-Id: I8331a071e275925f43f869c9299e7fd6b342ced6

@@ -51,7 +51,7 @@ public class PceUpdatePathCommand extends AbstractShellCommand {
 
     @Option(name = "-b", aliases = "--bandwidth", description = "The bandwidth attribute of path. "
             + "Data rate unit is in Bps.", required = false, multiValued = false)
-    double bandwidth = 0.0;
+    Double bandwidth = null;
 
     @Override
     protected void execute() {
@@ -61,7 +61,7 @@ public class PceUpdatePathCommand extends AbstractShellCommand {
 
         List<Constraint> constrntList = new LinkedList<>();
         // Assign bandwidth. Data rate unit is in Bps.
-        if (bandwidth != 0.0) {
+        if (bandwidth != null) {
             constrntList.add(BandwidthConstraint.of(Double.valueOf(bandwidth), DataRateUnit.valueOf("BPS")));
         }
 

@@ -850,11 +850,12 @@ public class PceManager implements PceService {
             return;
         }
 
-        if (pceStore.getTunnelInfo(tunnel.tunnelId()) == null) {
+        PceccTunnelInfo tunnelInfo = pceStore.getTunnelInfo(tunnel.tunnelId());
+        if (tunnelInfo == null || tunnelInfo.tunnelConsumerId() == null) {
             //If bandwidth for old tunnel is not allocated i,e 0 then no need to release
             return;
         }
-        resourceService.release(pceStore.getTunnelInfo(tunnel.tunnelId()).tunnelConsumerId());
+        resourceService.release(tunnelInfo.tunnelConsumerId());
         return;
 
         /*
@@ -873,12 +874,13 @@ public class PceManager implements PceService {
         resourceService.release(pceStore.getTunnelInfo(oldTunnel.tunnelId()).tunnelConsumerId());
 
         // 2. Release new tunnel's bandwidth, if new tunnel bandwidth is allocated
-        if (pceStore.getTunnelInfo(newTunnel.tunnelId()) == null) {
+        PceccTunnelInfo tunnelInfo = pceStore.getTunnelInfo(newTunnel.tunnelId());
+        if (tunnelInfo == null || tunnelInfo.tunnelConsumerId() == null) {
             //If bandwidth for new tunnel is not allocated i,e 0 then no need to allocate
             return;
         }
 
-        ResourceConsumer consumer = pceStore.getTunnelInfo(newTunnel.tunnelId()).tunnelConsumerId();
+        ResourceConsumer consumer = tunnelInfo.tunnelConsumerId();
         resourceService.release(consumer);
 
         // 3. Allocate new tunnel's complete bandwidth.

@@ -121,11 +121,11 @@ public final class DefaultLspLocalLabelInfo implements LspLocalLabelInfo {
     public String toString() {
         return MoreObjects.toStringHelper(getClass())
                 .omitNullValues()
-                .add("DeviceId", deviceId.toString())
-                .add("InLabelId", inLabelId.toString())
-                .add("OutLabelId", outLabelId.toString())
-                .add("InPort", inPort.toString())
-                .add("OutPort", outPort.toString())
+                .add("DeviceId", deviceId)
+                .add("InLabelId", inLabelId)
+                .add("OutLabelId", outLabelId)
+                .add("InPort", inPort)
+                .add("OutPort", outPort)
                 .toString();
     }