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.HashSet;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.ambari.server.AmbariException;
  import org.apache.ambari.server.controller.AmbariManagementController;
  import org.apache.ambari.server.controller.StackConfigurationDependencyRequest;
  import org.apache.ambari.server.controller.StackConfigurationDependencyResponse;
  import org.apache.ambari.server.controller.spi.NoSuchParentResourceException;
  import org.apache.ambari.server.controller.spi.NoSuchResourceException;
  import org.apache.ambari.server.controller.spi.Predicate;
  import org.apache.ambari.server.controller.spi.Request;
  import org.apache.ambari.server.controller.spi.Resource;
  import org.apache.ambari.server.controller.spi.Resource.Type;
  import org.apache.ambari.server.controller.spi.SystemException;
  import org.apache.ambari.server.controller.spi.UnsupportedPropertyException;
  import org.apache.ambari.server.controller.utilities.PropertyHelper;
  
  import com.google.common.collect.ImmutableMap;
  import com.google.common.collect.Sets;
  
  public class StackConfigurationDependencyResourceProvider extends
      ReadOnlyResourceProvider {
  
    public static final String STACK_NAME_PROPERTY_ID = PropertyHelper
        .getPropertyId("StackConfigurationDependency", "stack_name");
  
    public static final String STACK_VERSION_PROPERTY_ID = PropertyHelper
        .getPropertyId("StackConfigurationDependency", "stack_version");
  
    public static final String SERVICE_NAME_PROPERTY_ID = PropertyHelper
        .getPropertyId("StackConfigurationDependency", "service_name");
  
    public static final String PROPERTY_NAME_PROPERTY_ID = PropertyHelper
        .getPropertyId("StackConfigurationDependency", "property_name");
  
    public static final String DEPENDENCY_NAME_PROPERTY_ID = PropertyHelper
        .getPropertyId("StackConfigurationDependency", "dependency_name");
  
    public static final String DEPENDENCY_TYPE_PROPERTY_ID = PropertyHelper
        .getPropertyId("StackConfigurationDependency", "dependency_type");
  
    /**
     * The key property ids for a StackConfigurationDependency resource.
     */
    private static final Map<Resource.Type, String> keyPropertyIds = ImmutableMap.<Resource.Type, String>builder()
        .put(Type.Stack, STACK_NAME_PROPERTY_ID)
        .put(Type.StackVersion, STACK_VERSION_PROPERTY_ID)
        .put(Type.StackService, SERVICE_NAME_PROPERTY_ID)
        .put(Type.StackConfiguration, PROPERTY_NAME_PROPERTY_ID)
        .put(Type.StackLevelConfiguration, PROPERTY_NAME_PROPERTY_ID)
        .put(Type.StackConfigurationDependency, DEPENDENCY_NAME_PROPERTY_ID)
        .build();
  
    /**
     * The property ids for a StackConfigurationDependency resource.
     */
    private static final Set<String> propertyIds = Sets.newHashSet(
        STACK_NAME_PROPERTY_ID,
        STACK_VERSION_PROPERTY_ID,
        SERVICE_NAME_PROPERTY_ID,
        PROPERTY_NAME_PROPERTY_ID,
        DEPENDENCY_NAME_PROPERTY_ID,
        DEPENDENCY_TYPE_PROPERTY_ID);
  
    protected StackConfigurationDependencyResourceProvider(AmbariManagementController managementController) {
      super(Type.StackConfigurationDependency, propertyIds, keyPropertyIds, managementController);
    }
  
    @Override
    public Set<Resource> getResources(final Request request, Predicate predicate)
        throws SystemException, UnsupportedPropertyException,
        NoSuchResourceException, NoSuchParentResourceException {
  
      final Set<StackConfigurationDependencyRequest> requests =
        new HashSet<>();
  
      if (predicate == null) {
        requests.add(getRequest(Collections.emptyMap()));
      } else {
        for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) {
          requests.add(getRequest(propertyMap));
        }
      }
  
      Set<String> requestedIds = getRequestPropertyIds(request, predicate);
  
      Set<StackConfigurationDependencyResponse> responses = getResources(new Command<Set<StackConfigurationDependencyResponse>>() {
        @Override
        public Set<StackConfigurationDependencyResponse> invoke() throws AmbariException {
          return getManagementController().getStackConfigurationDependencies(requests);
        }
      });
  
      Set<Resource> resources = new HashSet<>();
  
      for (StackConfigurationDependencyResponse response : responses) {
        Resource resource = new ResourceImpl(Type.StackConfigurationDependency);
  
        setResourceProperty(resource, STACK_NAME_PROPERTY_ID,
            response.getStackName(), requestedIds);
  
        setResourceProperty(resource, STACK_VERSION_PROPERTY_ID,
            response.getStackVersion(), requestedIds);
  
        setResourceProperty(resource, SERVICE_NAME_PROPERTY_ID,
            response.getServiceName(), requestedIds);
  
        setResourceProperty(resource, PROPERTY_NAME_PROPERTY_ID,
            response.getPropertyName(), requestedIds);
  
        setResourceProperty(resource, DEPENDENCY_NAME_PROPERTY_ID,
            response.getDependencyName(), requestedIds);
  
        setResourceProperty(resource, DEPENDENCY_TYPE_PROPERTY_ID,
            response.getDependencyType(), requestedIds);
  
  
        resources.add(resource);
      }
  
      return resources;
    }
  
    private StackConfigurationDependencyRequest getRequest(Map<String, Object> properties) {
      return new StackConfigurationDependencyRequest(
          (String) properties.get(STACK_NAME_PROPERTY_ID),
          (String) properties.get(STACK_VERSION_PROPERTY_ID),
          (String) properties.get(SERVICE_NAME_PROPERTY_ID),
          (String) properties.get(PROPERTY_NAME_PROPERTY_ID),
          (String) properties.get(DEPENDENCY_NAME_PROPERTY_ID));
    }
  
    @Override
    protected Set<String> getPKPropertyIds() {
      return new HashSet<>(keyPropertyIds.values());
    }
  
  }
  