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/*
* 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.transport;
import org.elasticsearch.Version;
import org.elasticsearch.common.io.stream.BytesStreamOutput;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.test.ESTestCase;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
/**
*
*/
public class TransportMessageTests extends ESTestCase {
public void testSerialization() throws Exception {
Message message = new Message();
message.putHeader("key1", "value1");
message.putHeader("key2", "value2");
message.putInContext("key3", "value3");
BytesStreamOutput out = new BytesStreamOutput();
out.setVersion(Version.CURRENT);
message.writeTo(out);
StreamInput in = StreamInput.wrap(out.bytes());
in.setVersion(Version.CURRENT);
message = new Message();
message.readFrom(in);
assertThat(message.getHeaders().size(), is(2));
assertThat((String) message.getHeader("key1"), equalTo("value1"));
assertThat((String) message.getHeader("key2"), equalTo("value2"));
assertThat(message.isContextEmpty(), is(true));
// ensure that casting is not needed
String key1 = message.getHeader("key1");
assertThat(key1, is("value1"));
}
public void testCopyHeadersAndContext() throws Exception {
Message m1 = new Message();
m1.putHeader("key1", "value1");
m1.putHeader("key2", "value2");
m1.putInContext("key3", "value3");
Message m2 = new Message(m1);
assertThat(m2.getHeaders().size(), is(2));
assertThat((String) m2.getHeader("key1"), equalTo("value1"));
assertThat((String) m2.getHeader("key2"), equalTo("value2"));
assertThat((String) m2.getFromContext("key3"), equalTo("value3"));
// ensure that casting is not needed
String key3 = m2.getFromContext("key3");
assertThat(key3, is("value3"));
testContext(m2, "key3", "value3");
}
// ensure that generic arg like this is not needed: TransportMessage<?> transportMessage
private void testContext(TransportMessage transportMessage, String key, String expectedValue) {
String result = transportMessage.getFromContext(key);
assertThat(result, is(expectedValue));
}
private static class Message extends TransportMessage<Message> {
private Message() {
}
private Message(Message message) {
super(message);
}
}
}
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