| /** |
| * 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(); |
| } |
| |
| } |