BUG-1041 cli proposal #1

[controller.git] / opendaylight / netconf / netconf-cli / src / main / java / org / opendaylight / controller / netconf / cli / commands / output / OutputDefinition.java

diff --git a/opendaylight/netconf/netconf-cli/src/main/java/org/opendaylight/controller/netconf/cli/commands/output/OutputDefinition.java b/opendaylight/netconf/netconf-cli/src/main/java/org/opendaylight/controller/netconf/cli/commands/output/OutputDefinition.java
new file mode 100644 (file)
index 0000000..66d0d4d
--- /dev/null
+++ b/opendaylight/netconf/netconf-cli/src/main/java/org/opendaylight/controller/netconf/cli/commands/output/OutputDefinition.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.netconf.cli.commands.output;
+
+import com.google.common.base.Preconditions;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.Set;
+import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+
+/**
+ * The definition of output elements represented by schema nodes parsed from yang rpc definition
+ */
+public class OutputDefinition implements Iterable<DataSchemaNode> {
+
+    public static final OutputDefinition EMPTY_OUTPUT = new OutputDefinition(Collections.<DataSchemaNode>emptySet());
+    private final Set<DataSchemaNode> childNodes;
+
+    public OutputDefinition(final Set<DataSchemaNode> childNodes) {
+        this.childNodes = childNodes;
+    }
+
+    @Override
+    public Iterator<DataSchemaNode> iterator() {
+        return childNodes.iterator();
+    }
+
+    public static OutputDefinition fromOutput(final ContainerSchemaNode output) {
+        Preconditions.checkNotNull(output);
+        return new OutputDefinition(output.getChildNodes());
+    }
+
+    public static OutputDefinition empty() {
+        return EMPTY_OUTPUT;
+    }
+
+    public boolean isEmpty() {
+        return this == EMPTY_OUTPUT;
+    }
+
+}