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Palantir open source project
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.cassandra.tools.nodetool;
import static com.google.common.base.Preconditions.checkArgument;
import io.airlift.command.Arguments;
import io.airlift.command.Command;
import java.util.ArrayList;
import java.util.List;
import org.apache.cassandra.tools.NodeProbe;
import org.apache.cassandra.tools.NodeTool.NodeToolCmd;
@Command(name = "enablehandoff", description = "Reenable the future hints storing on the current node")
public class EnableHandoff extends NodeToolCmd
{
@Arguments(usage = ",", description = "Enable hinted handoff only for these DCs")
private List args = new ArrayList<>();
@Override
public void execute(NodeProbe probe)
{
checkArgument(args.size() <= 1, "enablehandoff does not accept two args");
if(args.size() == 1)
probe.enableHintedHandoff(args.get(0));
else
probe.enableHintedHandoff();
}
}