| /* |
| * 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.index.dev.expr; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.carbondata.core.index.IndexInputSplit; |
| import org.apache.carbondata.core.index.IndexLevel; |
| import org.apache.carbondata.core.index.Segment; |
| import org.apache.carbondata.core.indexstore.ExtendedBlocklet; |
| import org.apache.carbondata.core.indexstore.PartitionSpec; |
| import org.apache.carbondata.core.scan.filter.resolver.FilterResolverIntf; |
| |
| /** |
| * And expression for indexes |
| */ |
| public class AndIndexExprWrapper extends IndexExprWrapper { |
| |
| private IndexExprWrapper left; |
| |
| private IndexExprWrapper right; |
| |
| private FilterResolverIntf resolverIntf; |
| |
| public AndIndexExprWrapper(IndexExprWrapper left, IndexExprWrapper right, |
| FilterResolverIntf resolverIntf) { |
| this.left = left; |
| this.right = right; |
| this.resolverIntf = resolverIntf; |
| } |
| |
| @Override |
| public List<ExtendedBlocklet> prune(List<Segment> segments, |
| List<PartitionSpec> partitionsToPrune) throws IOException { |
| return and(left.prune(segments, partitionsToPrune), right.prune(segments, partitionsToPrune)); |
| } |
| |
| @Override |
| public List<ExtendedBlocklet> prune(IndexInputSplit distributable, |
| List<PartitionSpec> partitionsToPrune) throws IOException { |
| return and(left.prune(distributable, partitionsToPrune), |
| right.prune(distributable, partitionsToPrune)); |
| } |
| |
| @Override |
| public List<ExtendedBlocklet> pruneBlocklets(List<ExtendedBlocklet> blocklets) |
| throws IOException { |
| return and(left.pruneBlocklets(blocklets), right.pruneBlocklets(blocklets)); |
| } |
| |
| private List<ExtendedBlocklet> and(List<ExtendedBlocklet> leftPrune, |
| List<ExtendedBlocklet> rightPrune) { |
| List<ExtendedBlocklet> andBlocklets = new ArrayList<>(); |
| for (ExtendedBlocklet blocklet : leftPrune) { |
| if (rightPrune.contains(blocklet)) { |
| andBlocklets.add(blocklet); |
| } |
| } |
| return andBlocklets; |
| } |
| |
| @Override |
| public FilterResolverIntf getFilterResolverIntf() { |
| return resolverIntf; |
| } |
| |
| @Override |
| public FilterResolverIntf getFilterResolverIntf(String uniqueId) { |
| FilterResolverIntf leftExp = left.getFilterResolverIntf(uniqueId); |
| FilterResolverIntf rightExp = right.getFilterResolverIntf(uniqueId); |
| if (leftExp != null) { |
| return leftExp; |
| } else if (rightExp != null) { |
| return rightExp; |
| } |
| return null; |
| } |
| |
| @Override |
| public List<IndexInputSplitWrapper> toDistributable(List<Segment> segments) |
| throws IOException { |
| List<IndexInputSplitWrapper> wrappers = new ArrayList<>(); |
| wrappers.addAll(left.toDistributable(segments)); |
| wrappers.addAll(right.toDistributable(segments)); |
| return wrappers; |
| } |
| |
| @Override |
| public IndexLevel getIndexLevel() { |
| return left.getIndexLevel(); |
| } |
| |
| @Override |
| public IndexExprWrapper getLeftIndexWrapper() { |
| return left; |
| } |
| |
| @Override |
| public IndexExprWrapper getRightIndexWrapper() { |
| return right; |
| } |
| } |