HostTracker Bundle Separation

[controller.git] / opendaylight / hosttracker_new / implementation / src / main / java / org / opendaylight / controller / hosttracker / internal / DeviceIndexInterator.java

diff --git a/opendaylight/hosttracker_new/implementation/src/main/java/org/opendaylight/controller/hosttracker/internal/DeviceIndexInterator.java b/opendaylight/hosttracker_new/implementation/src/main/java/org/opendaylight/controller/hosttracker/internal/DeviceIndexInterator.java
new file mode 100644 (file)
index 0000000..469bd61
--- /dev/null
+++ b/opendaylight/hosttracker_new/implementation/src/main/java/org/opendaylight/controller/hosttracker/internal/DeviceIndexInterator.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2012 Big Switch Networks, Inc.
+ *
+ * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/legal/epl-v10.html
+ *
+ * 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.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ *    Originally created by David Erickson, Stanford University
+ *
+ *    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.opendaylight.controller.hosttracker.internal;
+
+import java.util.Iterator;
+
+/**
+ * An iterator for handling device index queries
+ */
+public class DeviceIndexInterator implements Iterator<Device> {
+    private DeviceManagerImpl deviceManager;
+    private Iterator<Long> subIterator;
+
+    /**
+     * Construct a new device index iterator referring to a device manager
+     * instance and an iterator over device keys
+     *
+     * @param deviceManager
+     *            the device manager
+     * @param subIterator
+     *            an iterator over device keys
+     */
+    public DeviceIndexInterator(DeviceManagerImpl deviceManager,
+            Iterator<Long> subIterator) {
+        super();
+        this.deviceManager = deviceManager;
+        this.subIterator = subIterator;
+    }
+
+    @Override
+    public boolean hasNext() {
+        return subIterator.hasNext();
+    }
+
+    @Override
+    public Device next() {
+        Long next = subIterator.next();
+        return deviceManager.deviceMap.get(next);
+    }
+
+    @Override
+    public void remove() {
+        subIterator.remove();
+    }
+
+}