/**
* Copyright 2012, Big Switch Networks, Inc.
* 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 net.floodlightcontroller.devicemanager.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();
}
}