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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,
* 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.hadoop.yarn.server.resourcemanager.scheduler.capacity.placement;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.nio.file.Paths;
import org.jsonschema2pojo.DefaultGenerationConfig;
import org.jsonschema2pojo.GenerationConfig;
import org.jsonschema2pojo.Jackson2Annotator;
import org.jsonschema2pojo.SchemaGenerator;
import org.jsonschema2pojo.SchemaMapper;
import org.jsonschema2pojo.SchemaStore;
import org.jsonschema2pojo.rules.RuleFactory;
import com.sun.codemodel.JCodeModel;
/**
* Helper class to re-generate java POJOs based on the JSON schema.
*/
public final class GeneratePojos {
@SuppressWarnings("checkstyle:linelength")
private static final String TARGET_PACKAGE =
"org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.placement.schema";
private GeneratePojos() {
// no instances
}
public static void main(String[] args) throws IOException {
JCodeModel codeModel = new JCodeModel();
URL schemaURL = Paths.get(
"src/main/json_schema/MappingRulesDescription.json").toUri().toURL();
GenerationConfig config = new DefaultGenerationConfig() {
@Override
public boolean isGenerateBuilders() {
return false;
}
@Override
public boolean isUsePrimitives() {
return true;
}
};
SchemaMapper mapper =
new SchemaMapper(
new RuleFactory(config,
new Jackson2Annotator(config),
new SchemaStore()),
new SchemaGenerator());
mapper.generate(codeModel, "ignore", TARGET_PACKAGE, schemaURL);
codeModel.build(new File("src/main/java"));
}
}