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.asterix.runtime.operators.joins.interval.utils;
  
  import org.apache.asterix.om.pointables.nonvisitor.AIntervalPointable;
  import org.apache.asterix.runtime.operators.joins.interval.utils.memory.IntervalJoinUtil;
  import org.apache.hyracks.api.comm.IFrameTupleAccessor;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  
  public class BeforeIntervalJoinUtil extends AbstractIntervalJoinUtil {
  
      public BeforeIntervalJoinUtil(int buildKey, int probeKey) {
          super(buildKey, probeKey);
      }
  
      @Override
      public boolean checkToSaveInMemory(IFrameTupleAccessor buildAccessor, int buildTupleIndex,
              IFrameTupleAccessor probeAccessor, int probeTupleIndex) {
          long buildStart = IntervalJoinUtil.getIntervalStart(buildAccessor, buildTupleIndex, idBuild);
          long probeStart = IntervalJoinUtil.getIntervalStart(probeAccessor, probeTupleIndex, idProbe);
          return buildStart < probeStart;
      }
  
      @Override
      public boolean checkToRemoveInMemory(IFrameTupleAccessor buildAccessor, int buildTupleIndex,
              IFrameTupleAccessor probeAccessor, int probeTupleIndex) {
          return !checkToSaveInMemory(buildAccessor, buildTupleIndex, probeAccessor, probeTupleIndex);
      }
  
      @Override
      public boolean checkForEarlyExit(IFrameTupleAccessor buildAccessor, int buildTupleIndex,
              IFrameTupleAccessor probeAccessor, int probeTupleIndex) {
          return false;
      }
  
      @Override
      public boolean compareInterval(AIntervalPointable ipBuild, AIntervalPointable ipProbe) throws HyracksDataException {
          return il.before(ipBuild, ipProbe);
      }
  
      @Override
      public boolean checkToLoadNextProbeTuple(IFrameTupleAccessor buildAccessor, int buildTupleIndex,
              IFrameTupleAccessor probeAccessor, int probeTupleIndex) {
          return true;
      }
  }
  