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/*
* 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");
}
}
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