| /* |
| * |
| * * 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.iotdb.db.queryengine.plan.expression.ternary; |
| |
| import org.apache.iotdb.db.queryengine.common.NodeRef; |
| import org.apache.iotdb.db.queryengine.plan.expression.Expression; |
| import org.apache.iotdb.db.queryengine.plan.expression.visitor.ExpressionVisitor; |
| import org.apache.iotdb.db.queryengine.plan.planner.plan.parameter.InputLocation; |
| import org.apache.iotdb.db.queryengine.transformation.dag.memory.LayerMemoryAssigner; |
| import org.apache.iotdb.db.queryengine.transformation.dag.udf.UDTFExecutor; |
| |
| import org.apache.tsfile.enums.TSDataType; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.time.ZoneId; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Map; |
| |
| public abstract class TernaryExpression extends Expression { |
| protected Expression firstExpression; |
| protected Expression secondExpression; |
| protected Expression thirdExpression; |
| |
| public Expression getFirstExpression() { |
| return firstExpression; |
| } |
| |
| public void setFirstExpression(Expression expression) { |
| this.firstExpression = expression; |
| } |
| |
| public Expression getSecondExpression() { |
| return secondExpression; |
| } |
| |
| public void setSecondExpression(Expression expression) { |
| this.secondExpression = expression; |
| } |
| |
| public Expression getThirdExpression() { |
| return thirdExpression; |
| } |
| |
| public void setThirdExpression(Expression expression) { |
| this.thirdExpression = expression; |
| } |
| |
| protected TernaryExpression( |
| Expression firstExpression, Expression secondExpression, Expression thirdExpression) { |
| this.firstExpression = firstExpression; |
| this.secondExpression = secondExpression; |
| this.thirdExpression = thirdExpression; |
| } |
| |
| protected TernaryExpression(ByteBuffer byteBuffer) { |
| this.firstExpression = Expression.deserialize(byteBuffer); |
| this.secondExpression = Expression.deserialize(byteBuffer); |
| this.thirdExpression = Expression.deserialize(byteBuffer); |
| } |
| |
| @Override |
| public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) { |
| return visitor.visitTernaryExpression(this, context); |
| } |
| |
| @Override |
| public boolean isConstantOperandInternal() { |
| return firstExpression.isConstantOperand() |
| && secondExpression.isConstantOperand() |
| && thirdExpression.isConstantOperand(); |
| } |
| |
| @Override |
| public List<Expression> getExpressions() { |
| return Arrays.asList(firstExpression, secondExpression, thirdExpression); |
| } |
| |
| @Override |
| public boolean isMappable(Map<NodeRef<Expression>, TSDataType> expressionTypes) { |
| return firstExpression.isMappable(expressionTypes) |
| && secondExpression.isMappable(expressionTypes) |
| && thirdExpression.isMappable(expressionTypes); |
| } |
| |
| @Override |
| public void constructUdfExecutors( |
| Map<String, UDTFExecutor> expressionName2Executor, ZoneId zoneId) { |
| firstExpression.constructUdfExecutors(expressionName2Executor, zoneId); |
| secondExpression.constructUdfExecutors(expressionName2Executor, zoneId); |
| thirdExpression.constructUdfExecutors(expressionName2Executor, zoneId); |
| } |
| |
| @Override |
| public final void bindInputLayerColumnIndexWithExpression( |
| Map<String, List<InputLocation>> inputLocations) { |
| firstExpression.bindInputLayerColumnIndexWithExpression(inputLocations); |
| secondExpression.bindInputLayerColumnIndexWithExpression(inputLocations); |
| thirdExpression.bindInputLayerColumnIndexWithExpression(inputLocations); |
| |
| final String digest = getExpressionString(); |
| if (inputLocations.containsKey(digest)) { |
| inputColumnIndex = inputLocations.get(digest).get(0).getValueColumnIndex(); |
| } |
| } |
| |
| @Override |
| public void updateStatisticsForMemoryAssigner(LayerMemoryAssigner memoryAssigner) { |
| firstExpression.updateStatisticsForMemoryAssigner(memoryAssigner); |
| secondExpression.updateStatisticsForMemoryAssigner(memoryAssigner); |
| thirdExpression.updateStatisticsForMemoryAssigner(memoryAssigner); |
| memoryAssigner.increaseExpressionReference(this); |
| } |
| |
| protected abstract String operator(); |
| |
| @Override |
| protected void serialize(ByteBuffer byteBuffer) { |
| Expression.serialize(firstExpression, byteBuffer); |
| Expression.serialize(secondExpression, byteBuffer); |
| Expression.serialize(thirdExpression, byteBuffer); |
| } |
| |
| @Override |
| protected void serialize(DataOutputStream stream) throws IOException { |
| Expression.serialize(firstExpression, stream); |
| Expression.serialize(secondExpression, stream); |
| Expression.serialize(thirdExpression, stream); |
| } |
| } |