/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you 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.elasticsearch.cluster;
import org.elasticsearch.Version;
import org.elasticsearch.common.io.stream.StreamInput;
import java.io.IOException;
/**
* Value Serializer for named diffables
*/
public class NamedDiffableValueSerializer<T extends NamedDiffable<T>> extends DiffableUtils.DiffableValueSerializer<String, T> {
private final Class<T> tClass;
public NamedDiffableValueSerializer(Class<T> tClass) {
this.tClass = tClass;
}
@Override
public T read(StreamInput in, String key) throws IOException {
return in.readNamedWriteable(tClass, key);
}
@Override
public boolean supportsVersion(Diff<T> value, Version version) {
return version.onOrAfter(((NamedDiff<?>)value).getMinimalSupportedVersion());
}
@Override
public boolean supportsVersion(T value, Version version) {
return version.onOrAfter(value.getMinimalSupportedVersion());
}
@SuppressWarnings("unchecked")
@Override
public Diff<T> readDiff(StreamInput in, String key) throws IOException {
return in.readNamedWriteable(NamedDiff.class, key);
}
}