org.apache.pulsar.client.impl.schema.generic.GenericAvroSchema 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 lombok.extern.slf4j.Slf4j;
import org.apache.pulsar.client.api.schema.GenericRecord;
import org.apache.pulsar.client.api.schema.GenericRecordBuilder;
import org.apache.pulsar.common.schema.SchemaInfo;
/**
* A generic avro schema.
*/
@Slf4j
public class GenericAvroSchema extends GenericSchemaImpl {
public static final String OFFSET_PROP = "__AVRO_READ_OFFSET__";
public GenericAvroSchema(SchemaInfo schemaInfo) {
this(schemaInfo, true);
}
GenericAvroSchema(SchemaInfo schemaInfo,
boolean useProvidedSchemaAsReaderSchema) {
super(schemaInfo);
setReader(new MultiVersionGenericAvroReader(useProvidedSchemaAsReaderSchema, schema));
setWriter(new GenericAvroWriter(schema));
if (schemaInfo.getProperties().containsKey(GenericAvroSchema.OFFSET_PROP)) {
this.schema.addProp(GenericAvroSchema.OFFSET_PROP,
schemaInfo.getProperties().get(GenericAvroSchema.OFFSET_PROP));
}
}
@Override
public GenericRecordBuilder newRecordBuilder() {
return new AvroRecordBuilderImpl(this);
}
@Override
public boolean supportSchemaVersioning() {
return true;
}
@Override
public org.apache.pulsar.client.api.Schema clone() {
org.apache.pulsar.client.api.Schema schema =
GenericAvroSchema.of(schemaInfo,
((AbstractMultiVersionGenericReader) reader).useProvidedSchemaAsReaderSchema);
if (schemaInfoProvider != null) {
schema.setSchemaInfoProvider(schemaInfoProvider);
}
return schema;
}
}