org.apache.pulsar.client.impl.schema.StructSchema Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
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* 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
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*/
package org.apache.pulsar.client.impl.schema;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.apache.pulsar.client.impl.schema.util.SchemaUtil.parseAvroSchema;
import org.apache.pulsar.shade.org.apache.avro.Schema;
import org.apache.pulsar.client.impl.schema.generic.GenericAvroSchema;
import org.apache.pulsar.common.schema.SchemaInfo;
/**
* This is a base schema implementation for Avro Based `Struct` types.
* A struct type is used for presenting records (objects) which
* have multiple fields.
*
* Currently Pulsar supports 3 `Struct` types -
* {@link org.apache.pulsar.common.schema.SchemaType#AVRO},
* {@link org.apache.pulsar.common.schema.SchemaType#JSON},
* and {@link org.apache.pulsar.common.schema.SchemaType#PROTOBUF}.
*/
@Deprecated
public abstract class StructSchema extends AbstractStructSchema {
protected final Schema schema;
protected StructSchema(SchemaInfo schemaInfo) {
super(schemaInfo);
this.schema = parseAvroSchema(new String(schemaInfo.getSchema(), UTF_8));
if (schemaInfo.getProperties().containsKey(GenericAvroSchema.OFFSET_PROP)) {
this.schema.addProp(GenericAvroSchema.OFFSET_PROP,
schemaInfo.getProperties().get(GenericAvroSchema.OFFSET_PROP));
}
}
public Schema getAvroSchema() {
return schema;
}
}