| /* |
| * 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.beam.sdk.extensions.sql.impl.planner; |
| |
| import java.lang.reflect.Type; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.adapter.java.JavaTypeFactory; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.jdbc.JavaTypeFactoryImpl; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.rel.type.RelDataType; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.sql.type.BasicSqlType; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.sql.type.IntervalSqlType; |
| import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.sql.type.SqlTypeName; |
| |
| /** customized data type in Beam. */ |
| public class BeamJavaTypeFactory extends JavaTypeFactoryImpl { |
| public static final JavaTypeFactory INSTANCE = new BeamJavaTypeFactory(); |
| |
| private BeamJavaTypeFactory() { |
| super(BeamRelDataTypeSystem.INSTANCE); |
| } |
| |
| @Override |
| public Type getJavaClass(RelDataType type) { |
| if (type instanceof BasicSqlType || type instanceof IntervalSqlType) { |
| if (type.getSqlTypeName() == SqlTypeName.FLOAT) { |
| return type.isNullable() ? Float.class : float.class; |
| } |
| } |
| return super.getJavaClass(type); |
| } |
| } |