/*
* Copyright 2014 NAVER Corp.
*
* 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.navercorp.pinpoint.rpc.packet.stream;
/**
* @author koo.taejin
*/
public abstract class BasicStreamPacket implements StreamPacket {
private static final byte[] EMPTY_PAYLOAD = new byte[0];
private final int streamChannelId;
public BasicStreamPacket(int streamChannelId) {
this.streamChannelId = streamChannelId;
}
public byte[] getPayload() {
return EMPTY_PAYLOAD;
}
public int getStreamChannelId() {
return streamChannelId;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append(this.getClass().getSimpleName());
sb.append("{streamChannelId=").append(streamChannelId);
sb.append(", ");
if (getPayload() == null || getPayload() == EMPTY_PAYLOAD) {
sb.append("payload=null");
} else {
sb.append("payloadLength=").append(getPayload().length);
}
sb.append('}');
return sb.toString();
}
}