Rename L2 load balancer to port load balancer

CLI commands are also renamed to plbs, plb-add and plb-remove

Change-Id: I4c26b390acc5a961594a1dca92a76bee2148c090
diff --git a/apps/portloadbalancer/src/main/java/org/onosproject/portloadbalancer/cli/PortLoadBalancerListCommand.java b/apps/portloadbalancer/src/main/java/org/onosproject/portloadbalancer/cli/PortLoadBalancerListCommand.java
new file mode 100644
index 0000000..6850b0f
--- /dev/null
+++ b/apps/portloadbalancer/src/main/java/org/onosproject/portloadbalancer/cli/PortLoadBalancerListCommand.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.
+ */
+package org.onosproject.portloadbalancer.cli;
+
+import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.portloadbalancer.api.PortLoadBalancer;
+import org.onosproject.portloadbalancer.api.PortLoadBalancerId;
+import org.onosproject.portloadbalancer.api.PortLoadBalancerService;
+
+import java.util.Map;
+
+/**
+ * Command to show all port load balancers.
+ */
+@Service
+@Command(scope = "onos", name = "plbs", description = "Lists port load balancers")
+public class PortLoadBalancerListCommand extends AbstractShellCommand {
+
+    // Operation constant
+    private static final String AVAILABLE = "Available";
+
+    @Override
+    public void doExecute() {
+        PortLoadBalancerService service = get(PortLoadBalancerService.class);
+        // Get port load balancers and reservations
+        Map<PortLoadBalancerId, PortLoadBalancer> portLoadBalancerStore = service.getPortLoadBalancers();
+        Map<PortLoadBalancerId, ApplicationId> portLoadBalancerResStore = service.getReservations();
+        // Print id -> ports, mode, reservation
+        portLoadBalancerStore.forEach((portLoadBalancerId, portLoadBalancer) ->
+                print("%s -> %s, %s, %s", portLoadBalancerId, portLoadBalancer.ports(), portLoadBalancer.mode(),
+                        portLoadBalancerResStore.get(portLoadBalancerId) == null ? AVAILABLE :
+                                portLoadBalancerResStore.get(portLoadBalancerId).name()));
+    }
+}
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