content: /*
   * 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.ambari.server.sample.checks;
  
  import org.apache.ambari.server.AmbariException;
  import org.apache.ambari.server.checks.ClusterCheck;
  import org.apache.ambari.spi.upgrade.UpgradeCheckDescription;
  import org.apache.ambari.spi.upgrade.UpgradeCheckRequest;
  import org.apache.ambari.spi.upgrade.UpgradeCheckResult;
  import org.apache.ambari.spi.upgrade.UpgradeCheckStatus;
  import org.apache.ambari.spi.upgrade.UpgradeCheckType;
  
  import com.google.common.collect.ImmutableMap;
  
  public class SampleServiceCheck extends ClusterCheck {
  
    public SampleServiceCheck() {
      super(new UpgradeCheckDescription("SAMPLE_SERVICE_CHECK",
            UpgradeCheckType.HOST,
            "Sample service check description.",
            new ImmutableMap.Builder<String, String>()
                            .put(UpgradeCheckDescription.DEFAULT,
                                "Sample service check default property description.").build()));
    }
  
    @Override
    public UpgradeCheckResult perform(UpgradeCheckRequest request) throws AmbariException {
      UpgradeCheckResult result = new UpgradeCheckResult(this);
      result.setFailReason("Sample service check always fails.");
      result.setStatus(UpgradeCheckStatus.FAIL);
  
      return result;
    }
  
  
  }
  