/*
* 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.map.impl.nearcache.invalidation;
import com.hazelcast.map.impl.MapDataSerializerHook;
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;
/**
* Compares supplied uuid with this filters' uuid to prevent unneeded delivery of an invalidation event to operation caller.
* Operation caller invalidates its own local Near Cache, no need to send an extra invalidation from remote.
*/
public class UuidFilter implements EventFilter, IdentifiedDataSerializable {
private String uuid;
public UuidFilter() {
}
public UuidFilter(String uuid) {
this.uuid = uuid;
}
@Override
public boolean eval(Object suppliedUuid) {
assert suppliedUuid instanceof String;
return uuid.equals(suppliedUuid);
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
out.writeUTF(uuid);
}
@Override
public void readData(ObjectDataInput in) throws IOException {
uuid = in.readUTF();
}
@Override
public String toString() {
return "UuidFilter{"
+ "uuid='" + uuid + '\''
+ '}';
}
@Override
public int getFactoryId() {
return MapDataSerializerHook.F_ID;
}
@Override
public int getId() {
return MapDataSerializerHook.UUID_FILTER;
}
}