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.HashSet;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.ambari.server.AmbariException;
  import org.apache.ambari.server.actionmanager.ActionManager;
  import org.apache.ambari.server.api.services.AmbariMetaInfo;
  import org.apache.ambari.server.controller.ActionRequest;
  import org.apache.ambari.server.controller.ActionResponse;
  import org.apache.ambari.server.controller.AmbariManagementController;
  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.RequestStatus;
  import org.apache.ambari.server.controller.spi.Resource;
  import org.apache.ambari.server.controller.spi.Resource.Type;
  import org.apache.ambari.server.controller.spi.ResourceAlreadyExistsException;
  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 org.apache.ambari.server.customactions.ActionDefinition;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.google.common.collect.ImmutableMap;
  import com.google.common.collect.Sets;
  
  public class ActionResourceProvider extends AbstractControllerResourceProvider {
  
    private static final Logger LOG = LoggerFactory.getLogger(ActionResourceProvider.class);
  
    public static final String ACTION_NAME_PROPERTY_ID = PropertyHelper
        .getPropertyId("Actions", "action_name");
    public static final String ACTION_TYPE_PROPERTY_ID = PropertyHelper
        .getPropertyId("Actions", "action_type");
    public static final String INPUTS_PROPERTY_ID = PropertyHelper
        .getPropertyId("Actions", "inputs");
    public static final String TARGET_SERVICE_PROPERTY_ID = PropertyHelper
        .getPropertyId("Actions", "target_service");
    public static final String TARGET_COMPONENT_PROPERTY_ID = PropertyHelper
        .getPropertyId("Actions", "target_component");
    public static final String DESCRIPTION_PROPERTY_ID = PropertyHelper
        .getPropertyId("Actions", "description");
    public static final String TARGET_HOST_PROPERTY_ID = PropertyHelper
        .getPropertyId("Actions", "target_type");
    public static final String DEFAULT_TIMEOUT_PROPERTY_ID = PropertyHelper
        .getPropertyId("Actions", "default_timeout");
  
    /**
     * The key property ids for a Action resource.
     */
    private static final Map<Resource.Type, String> keyPropertyIds = ImmutableMap.<Resource.Type, String>builder()
        .put(Type.Action, ACTION_NAME_PROPERTY_ID)
        .build();
  
    /**
     * The property ids for a Action resource.
     */
    private static final Set<String> propertyIds = Sets.newHashSet(
        ACTION_NAME_PROPERTY_ID,
        ACTION_TYPE_PROPERTY_ID,
        INPUTS_PROPERTY_ID,
        TARGET_SERVICE_PROPERTY_ID,
        TARGET_COMPONENT_PROPERTY_ID,
        DESCRIPTION_PROPERTY_ID,
        TARGET_HOST_PROPERTY_ID,
        DEFAULT_TIMEOUT_PROPERTY_ID);
  
    public ActionResourceProvider(AmbariManagementController managementController) {
      super(Type.Action, propertyIds, keyPropertyIds, managementController);
    }
  
    @Override
    public RequestStatus createResources(Request request)
        throws SystemException,
        UnsupportedPropertyException,
        ResourceAlreadyExistsException,
        NoSuchParentResourceException {
  
      throw new UnsupportedOperationException("Not currently supported.");
  
    }
  
    @Override
    public RequestStatus updateResources(final Request request, Predicate predicate)
        throws SystemException, UnsupportedPropertyException,
        NoSuchResourceException, NoSuchParentResourceException {
  
      throw new UnsupportedOperationException("Not currently supported.");
  
    }
  
    @Override
    public Set<Resource> getResources(Request request, Predicate predicate)
        throws SystemException, UnsupportedPropertyException,
        NoSuchResourceException, NoSuchParentResourceException {
  
      final Set<ActionRequest> requests = new HashSet<>();
      if (predicate != null) {
        for (Map<String, Object> propertyMap : getPropertyMaps(predicate)) {
          ActionRequest actionReq = getRequest(propertyMap);
          LOG.debug("Received a get request for Action with, actionName = {}", actionReq.getActionName());
          requests.add(actionReq);
        }
      } else {
        LOG.debug("Received a get request for all Actions");
        requests.add(ActionRequest.getAllRequest());
      }
  
      Set<ActionResponse> responses = getResources(new Command<Set<ActionResponse>>() {
        @Override
        public Set<ActionResponse> invoke() throws AmbariException {
          return getActionDefinitions(requests);
        }
      });
  
      Set<String> requestedIds = getRequestPropertyIds(request, predicate);
      Set<Resource> resources = new HashSet<>();
  
      for (ActionResponse response : responses) {
        Resource resource = new ResourceImpl(Type.Action);
        setResourceProperty(resource, ACTION_NAME_PROPERTY_ID,
            response.getActionName(), requestedIds);
        setResourceProperty(resource, ACTION_TYPE_PROPERTY_ID,
            response.getActionType(), requestedIds);
        setResourceProperty(resource, INPUTS_PROPERTY_ID,
            response.getInputs(), requestedIds);
        setResourceProperty(resource, TARGET_SERVICE_PROPERTY_ID,
            response.getTargetService(), requestedIds);
        setResourceProperty(resource, TARGET_COMPONENT_PROPERTY_ID,
            response.getTargetComponent(), requestedIds);
        setResourceProperty(resource, DESCRIPTION_PROPERTY_ID,
            response.getDescription(), requestedIds);
        setResourceProperty(resource, TARGET_HOST_PROPERTY_ID,
            response.getTargetType(), requestedIds);
        setResourceProperty(resource, DEFAULT_TIMEOUT_PROPERTY_ID,
            response.getDefaultTimeout(), requestedIds);
        resources.add(resource);
      }
      return resources;
    }
  
    @Override
    public RequestStatus deleteResources(Request request, Predicate predicate)
        throws SystemException, UnsupportedPropertyException, NoSuchResourceException, NoSuchParentResourceException {
  
      throw new UnsupportedOperationException("Not currently supported.");
    }
  
    private ActionRequest getRequest(Map<String, Object> properties) {
      ActionRequest ar = new ActionRequest(
          (String) properties.get(ACTION_NAME_PROPERTY_ID),
          (String) properties.get(ACTION_TYPE_PROPERTY_ID),
          (String) properties.get(INPUTS_PROPERTY_ID),
          (String) properties.get(TARGET_SERVICE_PROPERTY_ID),
          (String) properties.get(TARGET_COMPONENT_PROPERTY_ID),
          (String) properties.get(DESCRIPTION_PROPERTY_ID),
          (String) properties.get(TARGET_HOST_PROPERTY_ID),
          (String) properties.get(DEFAULT_TIMEOUT_PROPERTY_ID));
  
      return ar;
    }
  
    @Override
    public Set<String> getPKPropertyIds() {
      return new HashSet<>(keyPropertyIds.values());
    }
  
    private ActionManager getActionManager() {
      return getManagementController().getActionManager();
    }
  
    private AmbariMetaInfo getAmbariMetaInfo() {
      return getManagementController().getAmbariMetaInfo();
    }
  
    protected synchronized Set<ActionResponse> getActionDefinitions(Set<ActionRequest> requests)
        throws AmbariException {
      Set<ActionResponse> responses = new HashSet<>();
      for (ActionRequest request : requests) {
        if (request.getActionName() == null) {
          List<ActionDefinition> ads = getAmbariMetaInfo().getAllActionDefinition();
          for (ActionDefinition ad : ads) {
            responses.add(ad.convertToResponse());
          }
        } else {
          ActionDefinition ad = getAmbariMetaInfo().getActionDefinition(request.getActionName());
          if (ad != null) {
            responses.add(ad.convertToResponse());
          }
        }
      }
  
      return responses;
    }
  }
  