Java Host Name Get getLedgerAllocatorPoolName(int serverRegionId, int shardId, boolean useHostname)

Description

Retrieve the ledger allocator pool name.

License

Apache License

Parameter

Parameter	Description
serverRegionId	region id that that server is running
shardId	shard id of the server
useHostname	whether to use hostname as the ledger allocator pool name

Exception

Parameter	Description
IOException	an exception

Return

ledger allocator pool name

Declaration

public static String getLedgerAllocatorPoolName(int serverRegionId, int shardId, boolean useHostname)
        throws IOException 

Method Source Code

//package com.java2s;
/**/*from   ww  w .j  a  va 2  s.  co  m*/
 * 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.
 */

import java.io.IOException;
import java.net.InetAddress;

public class Main {
    /**
     * Retrieve the ledger allocator pool name.
     *
     * @param serverRegionId region id that that server is running
     * @param shardId shard id of the server
     * @param useHostname whether to use hostname as the ledger allocator pool name
     * @return ledger allocator pool name
     * @throws IOException
     */
    public static String getLedgerAllocatorPoolName(int serverRegionId, int shardId, boolean useHostname)
            throws IOException {
        if (useHostname) {
            return String.format("allocator_%04d_%s", serverRegionId, InetAddress.getLocalHost().getHostAddress());
        } else {
            return String.format("allocator_%04d_%010d", serverRegionId, shardId);
        }
    }
}

Related

1. getHostname(String targetEndpoint)
2. getHostNameByInet()
3. getHostNameByNic()
4. getHtmlSource(final String host)
5. getInetHost()
6. getLocalCanonicalHostName()
7. getLocalShortHostName()
8. getLogHost()
9. getMachineHostname()