/*
* Copyright (c) 2008-2017, 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.collection.impl.queue;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import com.hazelcast.spi.EventFilter;
import java.io.IOException;
/**
* Provides the filtering functionality for Queue events.
*/
public class QueueEventFilter implements EventFilter, IdentifiedDataSerializable {
private boolean includeValue;
public QueueEventFilter() {
}
public QueueEventFilter(boolean includeValue) {
this.includeValue = includeValue;
}
public boolean isIncludeValue() {
return includeValue;
}
@Override
public boolean eval(Object arg) {
return false;
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
out.writeBoolean(includeValue);
}
@Override
public void readData(ObjectDataInput in) throws IOException {
includeValue = in.readBoolean();
}
@Override
public int getFactoryId() {
return QueueDataSerializerHook.F_ID;
}
@Override
public int getId() {
return QueueDataSerializerHook.QUEUE_EVENT_FILTER;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
QueueEventFilter that = (QueueEventFilter) o;
if (includeValue != that.includeValue) {
return false;
}
return true;
}
@Override
public int hashCode() {
return (includeValue ? 1 : 0);
}
}