org.elasticsearch.common.io.stream.NamedWriteableAwareStreamInput Maven / Gradle / Ivy
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* this work for additional information regarding copyright
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* 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
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package org.elasticsearch.common.io.stream;
import java.io.IOException;
/**
* Wraps a {@link StreamInput} and associates it with a {@link NamedWriteableRegistry}
*/
public class NamedWriteableAwareStreamInput extends FilterStreamInput {
private final NamedWriteableRegistry namedWriteableRegistry;
public NamedWriteableAwareStreamInput(StreamInput delegate, NamedWriteableRegistry namedWriteableRegistry) {
super(delegate);
this.namedWriteableRegistry = namedWriteableRegistry;
}
@Override
C readNamedWriteable(Class categoryClass) throws IOException {
String name = readString();
NamedWriteable namedWriteable = namedWriteableRegistry.getPrototype(categoryClass, name);
return namedWriteable.readFrom(this);
}
}