ONOS-4971: Synthetic Link Data -- WIP
- adding CLI commands for dumping Model Cache contents.
Change-Id: I28dfe179835de6cd0c5356faf87af46a239eb772
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/topo/cli/AbstractElementCommand.java b/web/gui/src/main/java/org/onosproject/ui/impl/topo/cli/AbstractElementCommand.java
new file mode 100644
index 0000000..820ddf0
--- /dev/null
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/topo/cli/AbstractElementCommand.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * 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.ui.impl.topo.cli;
+
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.ui.model.topo.UiElement;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Base class for model cache CLI commands.
+ */
+abstract class AbstractElementCommand extends AbstractShellCommand {
+
+ /**
+ * Built in comparator for elements.
+ */
+ private static final Comparator<UiElement> ELEMENT_COMPARATOR =
+ (o1, o2) -> o1.idAsString().compareTo(o2.idAsString());
+
+ /**
+ * Returns the given elements in a list, sorted by string representation
+ * of the identifiers.
+ *
+ * @param elements the elements to sort
+ * @return the sorted elements
+ */
+ protected List<UiElement> sorted(Set<? extends UiElement> elements) {
+ List<UiElement> list = new ArrayList<>(elements);
+ Collections.sort(list, ELEMENT_COMPARATOR);
+ return list;
+ }
+}