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• SourceOrderExample.java

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io.scalecube.config.examples.SourceOrderExample Maven / Gradle / Ivy

package io.scalecube.config.examples;

import io.scalecube.config.ConfigRegistry;
import io.scalecube.config.ConfigRegistrySettings;
import io.scalecube.config.source.ClassPathConfigSource;
import java.nio.file.Path;
import java.util.function.Predicate;

/**
 * Source order example.
 *
 * @author Anton Kharenko
 */
public class SourceOrderExample {

  /**
   * Main method of example of source ordering.
   *
   * @param args program arguments
   */
  public static void main(String[] args) {
    Predicate propsPredicate = path -> path.toString().endsWith(".props");
    ConfigRegistry configRegistry =
        ConfigRegistry.create(
            ConfigRegistrySettings.builder()
                .addLastSource("classpath#1", new ClassPathConfigSource(propsPredicate))
                .addFirstSource("classpath#0", new ClassPathConfigSource(propsPredicate))
                .addLastSource("classpath#3", new ClassPathConfigSource(propsPredicate))
                .addBeforeSource(
                    "classpath#3", "classpath#2", new ClassPathConfigSource(propsPredicate))
                .build());

    System.out.println("### Sources: \n" + configRegistry.getConfigSources());
  }
}