io.atomix.catalyst.serializer.collection.MapEntrySerializer Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
*
* 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 io.atomix.catalyst.serializer.collection;
import io.atomix.catalyst.buffer.BufferInput;
import io.atomix.catalyst.buffer.BufferOutput;
import io.atomix.catalyst.serializer.Serializer;
import io.atomix.catalyst.serializer.TypeSerializer;
import io.atomix.catalyst.util.Assert;
import java.util.Map;
/**
* Map entry serializer.
*
* @author Jordan Halterman
*/
public class MapEntrySerializer implements TypeSerializer> {
@Override
@SuppressWarnings("unchecked")
public void write(Map.Entry object, BufferOutput buffer, Serializer serializer) {
serializer.writeObject(object.getKey(), buffer);
serializer.writeObject(object.getValue(), buffer);
}
@Override
@SuppressWarnings("unchecked")
public Map.Entry read(Class> type, BufferInput buffer, Serializer serializer) {
Object key = serializer.readObject(buffer);
Object value = serializer.readObject(buffer);
return new MapEntry<>(key, value);
}
/**
* Map entry.
*/
private static class MapEntry implements Map.Entry {
private final K key;
private V value;
private MapEntry(K key, V value) {
this.key = Assert.notNull(key, "key");
this.value = value;
}
@Override
public K getKey() {
return key;
}
@Override
public V getValue() {
return value;
}
@Override
public V setValue(V value) {
V oldValue = this.value;
this.value = value;
return oldValue;
}
}
}