| /* |
| * Copyright 2015 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.store.consistent.impl; |
| |
| import org.onosproject.store.service.AsyncAtomicCounter; |
| import org.onosproject.store.service.AtomicCounter; |
| import org.onosproject.store.service.AtomicCounterBuilder; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkState; |
| |
| /** |
| * Default implementation of AtomicCounterBuilder. |
| */ |
| public class DefaultAtomicCounterBuilder implements AtomicCounterBuilder { |
| |
| private String name; |
| private boolean partitionsEnabled = true; |
| private final Database partitionedDatabase; |
| private final Database inMemoryDatabase; |
| private boolean metering = true; |
| |
| public DefaultAtomicCounterBuilder(Database inMemoryDatabase, Database partitionedDatabase) { |
| this.inMemoryDatabase = inMemoryDatabase; |
| this.partitionedDatabase = partitionedDatabase; |
| } |
| |
| @Override |
| public AtomicCounterBuilder withName(String name) { |
| checkArgument(name != null && !name.isEmpty()); |
| this.name = name; |
| return this; |
| } |
| |
| @Override |
| public AtomicCounterBuilder withPartitionsDisabled() { |
| partitionsEnabled = false; |
| return this; |
| } |
| |
| @Override |
| public AtomicCounter build() { |
| validateInputs(); |
| Database database = partitionsEnabled ? partitionedDatabase : inMemoryDatabase; |
| return new DefaultAtomicCounter(name, database, metering); |
| } |
| |
| @Override |
| public AsyncAtomicCounter buildAsyncCounter() { |
| validateInputs(); |
| Database database = partitionsEnabled ? partitionedDatabase : inMemoryDatabase; |
| return new DefaultAsyncAtomicCounter(name, database, metering); |
| } |
| |
| @Override |
| public AtomicCounterBuilder withMeteringDisabled() { |
| metering = false; |
| return this; |
| } |
| |
| private void validateInputs() { |
| checkState(name != null, "name must be specified"); |
| } |
| } |