| /** |
| * 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.atlas.groovy; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| /** |
| * Represents a semi-colon delimited list of Groovy expressions. |
| */ |
| public class StatementListExpression extends AbstractGroovyExpression { |
| |
| private List<GroovyExpression> stmts = new ArrayList<>(); |
| |
| public StatementListExpression() { |
| |
| } |
| |
| /** |
| * @param newChildren |
| */ |
| public StatementListExpression(List<GroovyExpression> newChildren) { |
| stmts.addAll(newChildren); |
| } |
| |
| public void addStatement(GroovyExpression expr) { |
| if (expr instanceof StatementListExpression) { |
| stmts.addAll(((StatementListExpression)expr).getStatements()); |
| } else { |
| stmts.add(expr); |
| } |
| } |
| |
| public void addStatements(List<GroovyExpression> exprs) { |
| for(GroovyExpression expr : exprs) { |
| addStatement(expr); |
| } |
| } |
| |
| @Override |
| public void generateGroovy(GroovyGenerationContext context) { |
| |
| Iterator<GroovyExpression> stmtIt = stmts.iterator(); |
| while(stmtIt.hasNext()) { |
| GroovyExpression stmt = stmtIt.next(); |
| stmt.generateGroovy(context); |
| if (stmtIt.hasNext()) { |
| context.append(";"); |
| } |
| } |
| } |
| |
| |
| public List<GroovyExpression> getStatements() { |
| return stmts; |
| } |
| |
| @Override |
| public List<GroovyExpression> getChildren() { |
| return Collections.unmodifiableList(stmts); |
| } |
| |
| @Override |
| public GroovyExpression copy(List<GroovyExpression> newChildren) { |
| return new StatementListExpression(newChildren); |
| } |
| |
| @Override |
| public TraversalStepType getType() { |
| return TraversalStepType.NONE; |
| } |
| |
| /** |
| * @param oldExpr |
| * @param newExpr |
| */ |
| public void replaceStatement(int index, GroovyExpression newExpr) { |
| stmts.set(index, newExpr); |
| } |
| } |