| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * Licensed 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 from |
| * |
| * 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 edu.uci.ics.hyracks.algebricks.core.algebra.expressions; |
| |
| import java.util.List; |
| |
| import org.apache.commons.lang3.mutable.Mutable; |
| |
| import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.base.ILogicalExpression; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.functions.IFunctionInfo; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPartitioningProperty; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.properties.IPropertiesComputer; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionVisitor; |
| |
| public class StatefulFunctionCallExpression extends AbstractFunctionCallExpression { |
| |
| private final IPropertiesComputer propertiesComputer; |
| |
| public StatefulFunctionCallExpression(IFunctionInfo finfo, IPropertiesComputer propertiesComputer) { |
| super(FunctionKind.STATEFUL, finfo); |
| this.propertiesComputer = propertiesComputer; |
| } |
| |
| public StatefulFunctionCallExpression(IFunctionInfo finfo, IPropertiesComputer propertiesComputer, |
| List<Mutable<ILogicalExpression>> arguments) { |
| super(FunctionKind.STATEFUL, finfo, arguments); |
| this.propertiesComputer = propertiesComputer; |
| } |
| |
| public StatefulFunctionCallExpression(IFunctionInfo finfo, IPropertiesComputer propertiesComputer, |
| Mutable<ILogicalExpression>... expressions) { |
| super(FunctionKind.STATEFUL, finfo, expressions); |
| this.propertiesComputer = propertiesComputer; |
| } |
| |
| @Override |
| public StatefulFunctionCallExpression cloneExpression() { |
| cloneAnnotations(); |
| List<Mutable<ILogicalExpression>> clonedArgs = cloneArguments(); |
| return new StatefulFunctionCallExpression(finfo, propertiesComputer, clonedArgs); |
| } |
| |
| // can be null |
| public IPartitioningProperty getRequiredPartitioningProperty() { |
| return propertiesComputer.computePartitioningProperty(this); |
| } |
| |
| @Override |
| public <R, T> R accept(ILogicalExpressionVisitor<R, T> visitor, T arg) throws AlgebricksException { |
| return visitor.visitStatefulFunctionCallExpression(this, arg); |
| } |
| } |