alshabib | ab98466 | 2014-12-04 18:56:18 -0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2014-present Open Networking Foundation |
alshabib | ab98466 | 2014-12-04 18:56:18 -0800 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.core.impl; |
Brian O'Connor | 520c052 | 2014-11-23 23:50:47 -0800 | [diff] [blame] | 17 | |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 18 | import org.onosproject.core.IdBlock; |
| 19 | import org.onosproject.core.IdBlockStore; |
Brian O'Connor | 520c052 | 2014-11-23 23:50:47 -0800 | [diff] [blame] | 20 | |
| 21 | public class StoreBasedIdBlockAllocator implements IdBlockAllocator { |
Brian O'Connor | 520c052 | 2014-11-23 23:50:47 -0800 | [diff] [blame] | 22 | private final IdBlockStore store; |
| 23 | private final String topic; |
| 24 | |
| 25 | public StoreBasedIdBlockAllocator(String topic, IdBlockStore store) { |
| 26 | this.topic = topic; |
| 27 | this.store = store; |
| 28 | } |
| 29 | |
| 30 | /** |
| 31 | * Returns a block of IDs which are unique and unused. |
| 32 | * Range of IDs is fixed size and is assigned incrementally as this method |
| 33 | * called. |
| 34 | * |
| 35 | * @return an IdBlock containing a set of unique IDs |
| 36 | */ |
| 37 | @Override |
| 38 | public synchronized IdBlock allocateUniqueIdBlock() { |
| 39 | return store.getIdBlock(topic); |
| 40 | } |
| 41 | |
| 42 | @Override |
| 43 | public IdBlock allocateUniqueIdBlock(long range) { |
| 44 | throw new UnsupportedOperationException("Not supported yet"); |
| 45 | } |
| 46 | } |