| /* |
| * 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.flink.table.codegen.calls |
| |
| import org.apache.flink.table.api.types.InternalType |
| import org.apache.flink.table.codegen.calls.CallGenerator.generateCallIfArgsNullable |
| import org.apache.flink.table.codegen.HashCodeGenerator.hashNameInBinaryUtil |
| import org.apache.flink.table.codegen.{CodeGeneratorContext, GeneratedExpression} |
| import org.apache.flink.table.dataformat.util.BinaryRowUtil |
| |
| class HashCodeCallGen extends CallGenerator { |
| override def generate( |
| ctx: CodeGeneratorContext, |
| operands: Seq[GeneratedExpression], |
| returnType: InternalType, |
| nullCheck: Boolean): GeneratedExpression = { |
| val inputTerm = operands.head.resultTerm |
| val inputType = operands.head.resultType |
| val binaryUtil = classOf[BinaryRowUtil].getCanonicalName |
| val code = s"$binaryUtil.hash${hashNameInBinaryUtil(inputType)}($inputTerm)" |
| |
| generateCallIfArgsNullable(ctx, nullCheck, returnType, operands) { _ => code } |
| } |
| } |