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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.ecmap;
import org.onlab.util.KryoNamespace;
import org.onosproject.cluster.ClusterService;
import org.onosproject.cluster.NodeId;
import org.onosproject.persistence.PersistenceService;
import org.onosproject.store.Timestamp;
import org.onosproject.store.cluster.messaging.ClusterCommunicationService;
import org.onosproject.store.service.EventuallyConsistentMap;
import org.onosproject.store.service.EventuallyConsistentMapBuilder;
import java.util.Collection;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.function.BiFunction;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Eventually consistent map builder.
*/
public class EventuallyConsistentMapBuilderImpl<K, V>
implements EventuallyConsistentMapBuilder<K, V> {
private final ClusterService clusterService;
private final ClusterCommunicationService clusterCommunicator;
private String name;
private KryoNamespace.Builder serializerBuilder;
private ExecutorService eventExecutor;
private ExecutorService communicationExecutor;
private ScheduledExecutorService backgroundExecutor;
private BiFunction<K, V, Timestamp> timestampProvider;
private BiFunction<K, V, Collection<NodeId>> peerUpdateFunction;
private boolean tombstonesDisabled = false;
private long antiEntropyPeriod = 5;
private TimeUnit antiEntropyTimeUnit = TimeUnit.SECONDS;
private boolean convergeFaster = false;
private boolean persistent = false;
private boolean persistentMap = false;
private final PersistenceService persistenceService;
/**
* Creates a new eventually consistent map builder.
*
* @param clusterService cluster service
* @param clusterCommunicator cluster communication service
*/
public EventuallyConsistentMapBuilderImpl(ClusterService clusterService,
ClusterCommunicationService clusterCommunicator,
PersistenceService persistenceService) {
this.persistenceService = persistenceService;
this.clusterService = checkNotNull(clusterService);
this.clusterCommunicator = checkNotNull(clusterCommunicator);
}
@Override
public EventuallyConsistentMapBuilder<K, V> withName(String name) {
this.name = checkNotNull(name);
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withSerializer(
KryoNamespace.Builder serializerBuilder) {
this.serializerBuilder = checkNotNull(serializerBuilder);
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withTimestampProvider(
BiFunction<K, V, Timestamp> timestampProvider) {
this.timestampProvider = checkNotNull(timestampProvider);
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withEventExecutor(ExecutorService executor) {
this.eventExecutor = checkNotNull(executor);
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withCommunicationExecutor(
ExecutorService executor) {
communicationExecutor = checkNotNull(executor);
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withBackgroundExecutor(ScheduledExecutorService executor) {
this.backgroundExecutor = checkNotNull(executor);
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withPeerUpdateFunction(
BiFunction<K, V, Collection<NodeId>> peerUpdateFunction) {
this.peerUpdateFunction = checkNotNull(peerUpdateFunction);
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withTombstonesDisabled() {
tombstonesDisabled = true;
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withAntiEntropyPeriod(long period, TimeUnit unit) {
checkArgument(period > 0, "anti-entropy period must be greater than 0");
antiEntropyPeriod = period;
antiEntropyTimeUnit = checkNotNull(unit);
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withFasterConvergence() {
convergeFaster = true;
return this;
}
@Override
public EventuallyConsistentMapBuilder<K, V> withPersistence() {
checkNotNull(this.persistenceService);
persistent = true;
return this;
}
@Override
public EventuallyConsistentMap<K, V> build() {
checkNotNull(name, "name is a mandatory parameter");
checkNotNull(serializerBuilder, "serializerBuilder is a mandatory parameter");
checkNotNull(timestampProvider, "timestampProvider is a mandatory parameter");
return new EventuallyConsistentMapImpl<>(name,
clusterService,
clusterCommunicator,
serializerBuilder,
timestampProvider,
peerUpdateFunction,
eventExecutor,
communicationExecutor,
backgroundExecutor,
tombstonesDisabled,
antiEntropyPeriod,
antiEntropyTimeUnit,
convergeFaster,
persistent,
persistenceService);
}
}
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