com.hazelcast.ringbuffer.impl.RingbufferWaitNotifyKey Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.ringbuffer.impl;
import com.hazelcast.spi.ObjectNamespace;
import com.hazelcast.spi.WaitNotifyKey;
import static com.hazelcast.util.Preconditions.checkNotNull;
/**
* A {@link com.hazelcast.spi.AbstractWaitNotifyKey} to make it possible to wait
* for an item to be published in the ringbuffer.
* The exact ringbuffer is specified by the partition ID and namespace as those
* two parameters uniquely identify a single ringbuffer inside the ringbuffer service.
*/
public class RingbufferWaitNotifyKey implements WaitNotifyKey {
private final ObjectNamespace namespace;
private final int partitionId;
public RingbufferWaitNotifyKey(ObjectNamespace namespace, int partitionId) {
checkNotNull(namespace);
this.namespace = namespace;
this.partitionId = partitionId;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
RingbufferWaitNotifyKey that = (RingbufferWaitNotifyKey) o;
return partitionId == that.partitionId && namespace.equals(that.namespace);
}
@Override
public int hashCode() {
int result = namespace.hashCode();
result = 31 * result + partitionId;
return result;
}
@Override
public String toString() {
return "RingbufferWaitNotifyKey{"
+ "namespace=" + namespace
+ ", partitionId=" + partitionId
+ '}';
}
@Override
public String getServiceName() {
return namespace.getServiceName();
}
@Override
public String getObjectName() {
return namespace.getObjectName();
}
}