DisableHintsForDC.java example

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cassa-master
- cassandra-trunk
/*
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 * 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
 *
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package org.apache.cassandra.tools.nodetool;

import java.util.ArrayList;
import java.util.List;

import io.airlift.command.Arguments;
import io.airlift.command.Command;
import org.apache.cassandra.tools.NodeProbe;
import org.apache.cassandra.tools.NodeTool;

import static com.google.common.base.Preconditions.checkArgument;

@Command(name = "disablehintsfordc", description = "Disable hints for a data center")
public class DisableHintsForDC extends NodeTool.NodeToolCmd
{
    @Arguments(usage = "<datacenter>", description = "The data center to disable")
    private List<String> args = new ArrayList<>();

    public void execute(NodeProbe probe)
    {
        checkArgument(args.size() == 1, "disablehintsfordc requires exactly one data center");

        probe.disableHintsForDC(args.get(0));
    }
}