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.function.BiPredicate;
  
  /**
   * An extension of TinkerPop's {@link BiPredicate} adding simple pre-condition checking methods that
   * have to be written in the implementations.
   */
  public interface DsePredicate extends BiPredicate<Object, Object> {
  
    default void preEvaluate(Object condition) {
      Preconditions.checkArgument(
          this.isValidCondition(condition), "Invalid condition provided: %s", condition);
    }
  
    boolean isValidCondition(Object condition);
  }
  