gobblin.data.management.copy.replication.ReplicationMetaData.java Source code

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Here is the source code for gobblin.data.management.copy.replication.ReplicationMetaData.java

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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 gobblin.data.management.copy.replication;

import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import com.google.common.base.Joiner;
import com.google.common.base.Objects;
import com.google.common.base.Optional;
import com.typesafe.config.Config;
import com.typesafe.config.ConfigValue;

import lombok.Data;

/**
 * Class used to represent the meta data of the replication
 * @author mitu
 *
 */

@Data
public class ReplicationMetaData {
    private final Optional<Map<String, String>> values;

    public static ReplicationMetaData buildMetaData(Config config) {
        if (!config.hasPath(ReplicationConfiguration.METADATA)) {
            return new ReplicationMetaData(Optional.<Map<String, String>>absent());
        }

        Config metaDataConfig = config.getConfig(ReplicationConfiguration.METADATA);
        Map<String, String> metaDataValues = new HashMap<>();
        Set<Map.Entry<String, ConfigValue>> meataDataEntry = metaDataConfig.entrySet();
        for (Map.Entry<String, ConfigValue> entry : meataDataEntry) {
            metaDataValues.put(entry.getKey(), metaDataConfig.getString(entry.getKey()));
        }

        ReplicationMetaData metaData = new ReplicationMetaData(Optional.of(metaDataValues));
        return metaData;
    }

    @Override
    public String toString() {
        Joiner.MapJoiner mapJoiner = Joiner.on(',').withKeyValueSeparator("=");

        return Objects.toStringHelper(this.getClass()).add("metadata", mapJoiner.join(this.values.get()))
                .toString();
    }
}