/tags/release-0.1-rc2/hive/external/ql/src/java/org/apache/hadoop/hive/ql/optimizer/pcr/PcrOpWalkerCtx.java
# · Java · 70 lines · 37 code · 10 blank · 23 comment · 0 complexity · c11486d4a901d8d11cfda8bf7fd1cb01 MD5 · raw file
- /**
- * 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.hadoop.hive.ql.optimizer.pcr;
- import java.io.Serializable;
- import java.util.List;
- import org.apache.hadoop.hive.ql.exec.FilterOperator;
- import org.apache.hadoop.hive.ql.exec.Operator;
- import org.apache.hadoop.hive.ql.lib.NodeProcessorCtx;
- import org.apache.hadoop.hive.ql.parse.ParseContext;
- /**
- * Context class for operator tree walker for partition condition remover.
- */
- public class PcrOpWalkerCtx implements NodeProcessorCtx {
- static public class OpToDeleteInfo {
- private final Operator<? extends Serializable> parent;
- private final FilterOperator operator;
- public OpToDeleteInfo(Operator<? extends Serializable> parent, FilterOperator operator) {
- super();
- this.parent = parent;
- this.operator = operator;
- }
- public Operator<? extends Serializable> getParent() {
- return parent;
- }
- public FilterOperator getOperator() {
- return operator;
- }
- }
- private final ParseContext parseContext;
- private final List<OpToDeleteInfo> opToRemove;
- /**
- * Constructor.
- */
- public PcrOpWalkerCtx(ParseContext parseContext,
- List<OpToDeleteInfo> opToRemove) {
- this.parseContext = parseContext;
- this.opToRemove = opToRemove;
- }
- public ParseContext getParseContext() {
- return parseContext;
- }
- public List<OpToDeleteInfo> getOpToRemove() {
- return opToRemove;
- }
- }