| /* |
| * 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.runners.flink.translation.types; |
| |
| import static org.apache.beam.vendor.guava.v26_0_jre.com.google.common.base.Preconditions.checkNotNull; |
| |
| import org.apache.beam.sdk.coders.Coder; |
| import org.apache.flink.api.common.ExecutionConfig; |
| import org.apache.flink.api.common.typeinfo.AtomicType; |
| import org.apache.flink.api.common.typeinfo.TypeInformation; |
| import org.apache.flink.api.common.typeutils.TypeComparator; |
| import org.apache.flink.api.common.typeutils.TypeSerializer; |
| |
| /** |
| * Flink {@link org.apache.flink.api.common.typeinfo.TypeInformation} for Beam {@link |
| * org.apache.beam.sdk.coders.Coder}s. |
| */ |
| public class CoderTypeInformation<T> extends TypeInformation<T> implements AtomicType<T> { |
| |
| private final Coder<T> coder; |
| |
| public CoderTypeInformation(Coder<T> coder) { |
| checkNotNull(coder); |
| this.coder = coder; |
| } |
| |
| public Coder<T> getCoder() { |
| return coder; |
| } |
| |
| @Override |
| public boolean isBasicType() { |
| return false; |
| } |
| |
| @Override |
| public boolean isTupleType() { |
| return false; |
| } |
| |
| @Override |
| public int getArity() { |
| return 1; |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public Class<T> getTypeClass() { |
| return (Class<T>) coder.getEncodedTypeDescriptor().getRawType(); |
| } |
| |
| @Override |
| public boolean isKeyType() { |
| return true; |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public TypeSerializer<T> createSerializer(ExecutionConfig config) { |
| return new CoderTypeSerializer<>(coder); |
| } |
| |
| @Override |
| public int getTotalFields() { |
| return 2; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| |
| CoderTypeInformation that = (CoderTypeInformation) o; |
| |
| return coder.equals(that.coder); |
| } |
| |
| @Override |
| public int hashCode() { |
| return coder.hashCode(); |
| } |
| |
| @Override |
| public boolean canEqual(Object obj) { |
| return obj instanceof CoderTypeInformation; |
| } |
| |
| @Override |
| public String toString() { |
| return "CoderTypeInformation{coder=" + coder + '}'; |
| } |
| |
| @Override |
| public TypeComparator<T> createComparator( |
| boolean sortOrderAscending, ExecutionConfig executionConfig) { |
| throw new UnsupportedOperationException("Non-encoded values cannot be compared directly."); |
| } |
| } |