sentry-core/sentry-core-model-indexer/src/main/java/org/apache/sentry/core/model/indexer/IndexerPrivilegeModel.java

/*
 * 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.sentry.core.model.indexer;

import com.google.common.collect.ImmutableList;
import org.apache.sentry.core.common.BitFieldActionFactory;
import org.apache.sentry.core.common.ImplyMethodType;
import org.apache.sentry.core.common.Model;
import org.apache.sentry.core.common.validator.PrivilegeValidator;
import org.apache.sentry.core.model.indexer.validator.IndexerRequiredInPrivilege;

import java.util.HashMap;
import java.util.Map;

public class IndexerPrivilegeModel implements Model {

  private Map<String, ImplyMethodType> implyMethodMap;
  private BitFieldActionFactory bitFieldActionFactory;
  private static IndexerPrivilegeModel indexerPrivilegeModel = new IndexerPrivilegeModel();;

  private IndexerPrivilegeModel() {
    implyMethodMap = new HashMap<String, ImplyMethodType>();
    bitFieldActionFactory = new IndexerActionFactory();

    implyMethodMap.put(IndexerModelAuthorizable.AuthorizableType.Indexer.name().toLowerCase(), ImplyMethodType.STRING);
  }

  @Override
  public Map<String, ImplyMethodType> getImplyMethodMap() {
    return implyMethodMap;
  }

  @Override
  public BitFieldActionFactory getBitFieldActionFactory() {
    return bitFieldActionFactory;
  }

  public static IndexerPrivilegeModel getInstance() {
    return indexerPrivilegeModel;
  }

  public ImmutableList<PrivilegeValidator> getPrivilegeValidators() {
    return ImmutableList.<PrivilegeValidator>of(new IndexerRequiredInPrivilege());
  }
}