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 com.datastax.dse.driver.internal.core.graph;
  
  import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
  import java.util.Collection;
  import java.util.Map;
  import java.util.Objects;
  import org.javatuples.Pair;
  
  /** Predicates that can be used on CQL Collections. */
  public enum CqlCollectionPredicate implements DsePredicate {
    contains {
      @Override
      public boolean test(Object value, Object condition) {
        preEvaluate(condition);
        Preconditions.checkArgument(value instanceof Collection);
        return ((Collection) value).contains(condition);
      }
    },
  
    containsKey {
      @Override
      public boolean test(Object value, Object condition) {
        preEvaluate(condition);
        Preconditions.checkArgument(value instanceof Map);
        return ((Map) value).containsKey(condition);
      }
    },
  
    containsValue {
      @Override
      public boolean test(Object value, Object condition) {
        preEvaluate(condition);
        Preconditions.checkArgument(value instanceof Map);
        return ((Map) value).containsValue(condition);
      }
    },
  
    entryEq {
      @Override
      public boolean test(Object value, Object condition) {
        preEvaluate(condition);
        Preconditions.checkArgument(condition instanceof Pair);
        Preconditions.checkArgument(value instanceof Map);
        Pair pair = (Pair) condition;
        Map map = (Map) value;
        return Objects.equals(map.get(pair.getValue0()), pair.getValue1());
      }
    };
  
    @Override
    public boolean isValidCondition(Object condition) {
      if (condition instanceof Pair) {
        Pair pair = (Pair) condition;
        return pair.getValue0() != null && pair.getValue1() != null;
      }
      return condition != null;
    }
  }
  