| /* |
| * 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.operators.logical; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.base.IPhysicalOperator; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.ExecutionMode; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.visitors.ILogicalExpressionReferenceTransform; |
| |
| /** |
| * @author rico |
| */ |
| public interface IOperatorExtension { |
| |
| void setExecutionMode(ExecutionMode mode); |
| |
| boolean isMap(); |
| |
| public IOperatorExtension newInstance(); |
| |
| boolean acceptExpressionTransform(ILogicalExpressionReferenceTransform transform) throws AlgebricksException; |
| |
| void setSchema(List<LogicalVariable> schema); |
| |
| IPhysicalOperator getPhysicalOperator(); |
| |
| void setPhysicalOperator(IPhysicalOperator physicalOperator); |
| |
| ExecutionMode getExecutionMode(); |
| |
| public void getUsedVariables(Collection<LogicalVariable> usedVars); |
| |
| public void getProducedVariables(Collection<LogicalVariable> producedVars); |
| } |