org.apache.hudi.common.config.SerializableConfiguration 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,
* 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.hudi.common.config;
import org.apache.hadoop.conf.Configuration;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
/**
* A wrapped configuration which can be serialized.
*/
public class SerializableConfiguration implements Serializable {
private static final long serialVersionUID = 1L;
private transient Configuration configuration;
public SerializableConfiguration(Configuration configuration) {
this.configuration = new Configuration(configuration);
}
public SerializableConfiguration(SerializableConfiguration configuration) {
this.configuration = configuration.newCopy();
}
public Configuration newCopy() {
return new Configuration(configuration);
}
public Configuration get() {
return configuration;
}
private void writeObject(ObjectOutputStream out) throws IOException {
out.defaultWriteObject();
configuration.write(out);
}
private void readObject(ObjectInputStream in) throws IOException {
configuration = new Configuration(false);
configuration.readFields(in);
}
@Override
public String toString() {
StringBuilder str = new StringBuilder();
configuration.iterator().forEachRemaining(e -> str.append(String.format("%s => %s \n", e.getKey(), e.getValue())));
return configuration.toString();
}
}