| /* |
| * 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.phoenix.parse; |
| |
| import java.util.List; |
| |
| import com.google.common.collect.Lists; |
| |
| public class ParseContext { |
| private boolean isAggregate; |
| private boolean hasSequences; |
| |
| public ParseContext() { |
| } |
| |
| public boolean isAggregate() { |
| return isAggregate; |
| } |
| |
| public void setAggregate(boolean isAggregate) { |
| this.isAggregate |= isAggregate; |
| } |
| |
| public boolean hasSequences() { |
| return hasSequences; |
| } |
| |
| public void hasSequences(boolean hasSequences) { |
| this.hasSequences |= hasSequences; |
| } |
| |
| public static class Stack { |
| private final List<ParseContext> stack = Lists.newArrayListWithExpectedSize(5); |
| |
| public void push(ParseContext context) { |
| stack.add(context); |
| } |
| |
| public ParseContext pop() { |
| return stack.remove(stack.size()-1); |
| } |
| |
| public ParseContext peek() { |
| return stack.get(stack.size()-1); |
| } |
| |
| public boolean isEmpty() { |
| return stack.isEmpty(); |
| } |
| } |
| |
| } |