| /** |
| * 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.tajo.algebra; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.gson.annotations.Expose; |
| import com.google.gson.annotations.SerializedName; |
| |
| public class PatternMatchPredicate extends BinaryOperator { |
| @Expose @SerializedName("IsNot") |
| private boolean not; |
| @Expose @SerializedName("IsCaseInsensitive") |
| private boolean caseInsensitive; |
| |
| public PatternMatchPredicate(OpType opType, boolean not, Expr predicand, Expr pattern, |
| boolean caseInsensitive) { |
| super(opType); |
| Preconditions.checkArgument( |
| opType == OpType.LikePredicate || opType == OpType.SimilarToPredicate || opType == OpType.Regexp, |
| "pattern matching predicate is only available: " + opType.name()); |
| this.not = not; |
| this.caseInsensitive = caseInsensitive; |
| setLeft(predicand); |
| setRight(pattern); |
| } |
| |
| public PatternMatchPredicate(OpType opType, boolean not, Expr predicand, Expr pattern) { |
| this(opType, not, predicand, pattern, false); |
| } |
| |
| public boolean isNot() { |
| return not; |
| } |
| |
| public Expr getPredicand() { |
| return getLeft(); |
| } |
| |
| public Expr getPattern() { |
| return getRight(); |
| } |
| |
| public boolean isCaseInsensitive() { |
| return this.caseInsensitive; |
| } |
| |
| boolean equalsTo(Expr expr) { |
| PatternMatchPredicate another = (PatternMatchPredicate) expr; |
| return opType == another.opType && |
| not == another.not && caseInsensitive == another.caseInsensitive; |
| } |
| |
| @Override |
| public PatternMatchPredicate clone() throws CloneNotSupportedException { |
| PatternMatchPredicate patternMatchPredicate = (PatternMatchPredicate) super.clone(); |
| patternMatchPredicate.not = not; |
| patternMatchPredicate.caseInsensitive = caseInsensitive; |
| return patternMatchPredicate; |
| } |
| } |