org.apache.pulsar.client.impl.schema.generic.GenericProtobufNativeSchema Maven / Gradle / Ivy
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* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.pulsar.client.impl.schema.generic;
import static org.apache.pulsar.client.impl.schema.generic.MultiVersionGenericProtobufNativeReader.parseProtobufSchema;
import com.google.protobuf.Descriptors;
import java.util.Optional;
import java.util.stream.Collectors;
import lombok.extern.slf4j.Slf4j;
import org.apache.pulsar.client.api.schema.Field;
import org.apache.pulsar.client.api.schema.GenericRecordBuilder;
import org.apache.pulsar.client.api.schema.GenericSchema;
import org.apache.pulsar.common.schema.SchemaInfo;
/**
* Generic ProtobufNative schema.
*/
@Slf4j
public class GenericProtobufNativeSchema extends AbstractGenericSchema {
Descriptors.Descriptor descriptor;
public GenericProtobufNativeSchema(SchemaInfo schemaInfo) {
this(schemaInfo, true);
}
public GenericProtobufNativeSchema(SchemaInfo schemaInfo,
boolean useProvidedSchemaAsReaderSchema) {
super(schemaInfo, useProvidedSchemaAsReaderSchema);
this.descriptor = parseProtobufSchema(schemaInfo);
this.fields = descriptor.getFields()
.stream()
.map(f -> new Field(f.getName(), f.getIndex()))
.collect(Collectors.toList());
setReader(new MultiVersionGenericProtobufNativeReader(useProvidedSchemaAsReaderSchema, schemaInfo));
setWriter(new GenericProtobufNativeWriter());
}
@Override
public GenericRecordBuilder newRecordBuilder() {
return new ProtobufNativeRecordBuilderImpl(this);
}
public static GenericSchema of(SchemaInfo schemaInfo) {
return new GenericProtobufNativeSchema(schemaInfo);
}
public static GenericSchema of(SchemaInfo schemaInfo, boolean useProvidedSchemaAsReaderSchema) {
return new GenericProtobufNativeSchema(schemaInfo, useProvidedSchemaAsReaderSchema);
}
public Descriptors.Descriptor getProtobufNativeSchema() {
return descriptor;
}
@Override
public Optional