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.carbondata.core.scan.filter.executer;
  
  import java.io.IOException;
  import java.util.BitSet;
  
  import org.apache.carbondata.core.scan.expression.exception.FilterUnsupportedException;
  import org.apache.carbondata.core.scan.filter.intf.RowIntf;
  import org.apache.carbondata.core.scan.processor.RawBlockletColumnChunks;
  import org.apache.carbondata.core.util.BitSetGroup;
  
  public class AndFilterExecutorImpl implements FilterExecutor, ImplicitColumnFilterExecutor {
  
    private FilterExecutor leftExecutor;
    private FilterExecutor rightExecutor;
  
    public AndFilterExecutorImpl(FilterExecutor leftExecutor, FilterExecutor rightExecutor) {
      this.leftExecutor = leftExecutor;
      this.rightExecutor = rightExecutor;
    }
  
    @Override
    public BitSetGroup applyFilter(RawBlockletColumnChunks rawBlockletColumnChunks,
        boolean useBitsetPipeLine) throws FilterUnsupportedException, IOException {
      BitSetGroup leftFilters = leftExecutor.applyFilter(rawBlockletColumnChunks, useBitsetPipeLine);
      if (leftFilters.isEmpty()) {
        return leftFilters;
      }
      BitSetGroup rightFilter = rightExecutor.applyFilter(rawBlockletColumnChunks, useBitsetPipeLine);
      if (rightFilter.isEmpty()) {
        return rightFilter;
      }
      leftFilters.and(rightFilter);
      rawBlockletColumnChunks.setBitSetGroup(leftFilters);
      return leftFilters;
    }
  
    @Override
    public BitSet prunePages(RawBlockletColumnChunks rawBlockletColumnChunks)
        throws FilterUnsupportedException, IOException {
      BitSet leftFilters = leftExecutor.prunePages(rawBlockletColumnChunks);
      if (leftFilters.isEmpty()) {
        return leftFilters;
      }
      BitSet rightFilter = rightExecutor.prunePages(rawBlockletColumnChunks);
      if (rightFilter.isEmpty()) {
        return rightFilter;
      }
      leftFilters.and(rightFilter);
      return leftFilters;
    }
  
    @Override
    public boolean applyFilter(RowIntf value, int dimOrdinalMax)
        throws FilterUnsupportedException, IOException {
      return leftExecutor.applyFilter(value, dimOrdinalMax) &&
          rightExecutor.applyFilter(value, dimOrdinalMax);
    }
  
    @Override
    public BitSet isScanRequired(byte[][] blockMaxValue, byte[][] blockMinValue,
        boolean[] isMinMaxSet) {
      BitSet leftFilters = leftExecutor.isScanRequired(blockMaxValue, blockMinValue, isMinMaxSet);
      if (leftFilters.isEmpty()) {
        return leftFilters;
      }
      BitSet rightFilter = rightExecutor.isScanRequired(blockMaxValue, blockMinValue, isMinMaxSet);
      if (rightFilter.isEmpty()) {
        return rightFilter;
      }
      leftFilters.and(rightFilter);
      return leftFilters;
    }
  
    @Override
    public void readColumnChunks(RawBlockletColumnChunks rawBlockletColumnChunks) throws IOException {
      leftExecutor.readColumnChunks(rawBlockletColumnChunks);
      rightExecutor.readColumnChunks(rawBlockletColumnChunks);
    }
  
    @Override
    public BitSet isFilterValuesPresentInBlockOrBlocklet(byte[][] maxValue, byte[][] minValue,
        String uniqueBlockPath, boolean[] isMinMaxSet) {
      BitSet leftFilters = null;
      if (leftExecutor instanceof ImplicitColumnFilterExecutor) {
        leftFilters = ((ImplicitColumnFilterExecutor) leftExecutor)
            .isFilterValuesPresentInBlockOrBlocklet(maxValue, minValue, uniqueBlockPath, isMinMaxSet);
      } else {
        leftFilters = leftExecutor
            .isScanRequired(maxValue, minValue, isMinMaxSet);
      }
      if (leftFilters.isEmpty()) {
        return leftFilters;
      }
      BitSet rightFilter = null;
      if (rightExecutor instanceof ImplicitColumnFilterExecutor) {
        rightFilter = ((ImplicitColumnFilterExecutor) rightExecutor)
            .isFilterValuesPresentInBlockOrBlocklet(maxValue, minValue, uniqueBlockPath, isMinMaxSet);
      } else {
        rightFilter = rightExecutor.isScanRequired(maxValue, minValue, isMinMaxSet);
      }
      if (rightFilter.isEmpty()) {
        return rightFilter;
      }
      leftFilters.and(rightFilter);
      return leftFilters;
    }
  
    @Override
    public Boolean isFilterValuesPresentInAbstractIndex(byte[][] maxValue, byte[][] minValue,
        boolean[] isMinMaxSet) {
      Boolean leftRes;
      BitSet tempFilter;
      if (leftExecutor instanceof ImplicitColumnFilterExecutor) {
        leftRes = ((ImplicitColumnFilterExecutor) leftExecutor)
            .isFilterValuesPresentInAbstractIndex(maxValue, minValue, isMinMaxSet);
      } else {
        tempFilter = leftExecutor
            .isScanRequired(maxValue, minValue, isMinMaxSet);
        leftRes = !tempFilter.isEmpty();
      }
      if (!leftRes) {
        return leftRes;
      }
  
      Boolean rightRes = null;
      if (rightExecutor instanceof ImplicitColumnFilterExecutor) {
        rightRes = ((ImplicitColumnFilterExecutor) rightExecutor)
            .isFilterValuesPresentInAbstractIndex(maxValue, minValue, isMinMaxSet);
      } else {
        tempFilter = rightExecutor
            .isScanRequired(maxValue, minValue, isMinMaxSet);
        rightRes = !tempFilter.isEmpty();
      }
  
      // Equivalent to leftRes && rightRes.
      return rightRes;
    }
  }
  