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.controller.internal;
  
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  
  import javax.annotation.concurrent.NotThreadSafe;
  
  import org.apache.ambari.server.controller.spi.RequestStatusMetaData;
  import org.apache.commons.lang.Validate;
  
  @NotThreadSafe
  public class DeleteStatusMetaData implements RequestStatusMetaData {
    private Set<String> deletedKeys;
    private Map<String, Exception> exceptionMap;
    public DeleteStatusMetaData() {
      this.deletedKeys = new HashSet<>();
      this.exceptionMap = new HashMap<>();
    }
  
    public void addDeletedKey(String key) {
      Validate.notEmpty(key, "Key should not be empty");
      deletedKeys.add(key);
    }
  
    public Set<String> getDeletedKeys() {
      return Collections.unmodifiableSet(deletedKeys);
    }
  
    public void addException(String key, Exception exception) {
      Validate.notEmpty(key, "Key should not be empty");
      Validate.notNull(exception, "Exception cannot be null");
      exceptionMap.put(key, exception);
    }
  
    public Map<String, Exception> getExceptionForKeys() {
      return Collections.unmodifiableMap(exceptionMap);
    }
  }
  