org.apache.flink.table.planner.plan.nodes.exec.serde.ObjectIdentifierJsonSerializer 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 "AS IS" BASIS,
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* See the License for the specific language governing permissions and
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package org.apache.flink.table.planner.plan.nodes.exec.serde;
import org.apache.flink.table.catalog.ObjectIdentifier;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonGenerator;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.SerializerProvider;
import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ser.std.StdSerializer;
import java.io.IOException;
/** JSON serializer for {@link ObjectIdentifier}. */
public class ObjectIdentifierJsonSerializer extends StdSerializer {
private static final long serialVersionUID = 1L;
public static final String FIELD_NAME_CATALOG_NAME = "catalogName";
public static final String FIELD_NAME_DATABASE_NAME = "databaseName";
public static final String FIELD_NAME_TABLE_NAME = "tableName";
public ObjectIdentifierJsonSerializer() {
super(ObjectIdentifier.class);
}
@Override
public void serialize(
ObjectIdentifier objectIdentifier,
JsonGenerator jsonGenerator,
SerializerProvider serializerProvider)
throws IOException {
jsonGenerator.writeStartObject();
jsonGenerator.writeStringField(FIELD_NAME_CATALOG_NAME, objectIdentifier.getCatalogName());
jsonGenerator.writeStringField(
FIELD_NAME_DATABASE_NAME, objectIdentifier.getDatabaseName());
jsonGenerator.writeStringField(FIELD_NAME_TABLE_NAME, objectIdentifier.getObjectName());
jsonGenerator.writeEndObject();
}
}