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package io.envoyproxy.controlplane.cache;

import java.util.function.Consumer;

/**
 * {@code Watch} is a dedicated stream of configuration resources produced by the configuration cache and consumed by
 * the xDS server.
 */
public class Watch extends AbstractWatch {
  private final boolean ads;
  private final boolean allowDefaultEmptyEdsUpdate;

  /**
   * Construct a watch.
   *
   * @param ads                      is this watch for an ADS request?
   * @param allowDefaultEmptyEdsUpdate whether allow responding incomplete EDS response
   *                                 when some clusters are missing in the snapshot
   * @param request                  the original request for the watch
   * @param responseConsumer         handler for outgoing response messages
   */
  public Watch(boolean ads, boolean allowDefaultEmptyEdsUpdate,
      XdsRequest request, Consumer responseConsumer) {
    super(request, responseConsumer);
    this.ads = ads;
    this.allowDefaultEmptyEdsUpdate = allowDefaultEmptyEdsUpdate;
  }

  /**
   * Returns boolean indicating whether or not the watch is for an ADS request.
   */
  public boolean ads() {
    return ads;
  }

  public boolean allowDefaultEmptyEdsUpdate() {
    return allowDefaultEmptyEdsUpdate;
  }
}




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