| /* |
| * Copyright 2014-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.core.impl; |
| |
| import org.onosproject.core.IdBlock; |
| import org.onosproject.core.IdBlockStore; |
| |
| public class StoreBasedIdBlockAllocator implements IdBlockAllocator { |
| private final IdBlockStore store; |
| private final String topic; |
| |
| public StoreBasedIdBlockAllocator(String topic, IdBlockStore store) { |
| this.topic = topic; |
| this.store = store; |
| } |
| |
| /** |
| * Returns a block of IDs which are unique and unused. |
| * Range of IDs is fixed size and is assigned incrementally as this method |
| * called. |
| * |
| * @return an IdBlock containing a set of unique IDs |
| */ |
| @Override |
| public synchronized IdBlock allocateUniqueIdBlock() { |
| return store.getIdBlock(topic); |
| } |
| |
| @Override |
| public IdBlock allocateUniqueIdBlock(long range) { |
| throw new UnsupportedOperationException("Not supported yet"); |
| } |
| } |