/**
* Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
*
* 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.linkedin.pinot.common.messages;
import com.google.common.base.Preconditions;
import java.util.UUID;
import org.apache.helix.model.Message;
/**
* This Helix message is sent from the controller to the servers when a request is received to reload an existing
* segment.
*/
public class SegmentReloadMessage extends Message {
public static final String RELOAD_SEGMENT_MSG_SUB_TYPE = "RELOAD_SEGMENT";
public SegmentReloadMessage(String tableName, String segmentName) {
super(MessageType.USER_DEFINE_MSG, UUID.randomUUID().toString());
setResourceName(tableName);
setPartitionName(segmentName);
setMsgSubType(RELOAD_SEGMENT_MSG_SUB_TYPE);
// Give it infinite time to process the message, as long as session is alive
setExecutionTimeout(-1);
}
public SegmentReloadMessage(Message message) {
super(message.getRecord());
String msgSubType = message.getMsgSubType();
Preconditions.checkArgument(msgSubType.equals(RELOAD_SEGMENT_MSG_SUB_TYPE),
"Invalid message sub type: " + msgSubType + " for SegmentReloadMessage");
}
}