* Read for instance http://docs.codehaus.org/display/MAVEN/Deterministic+Lifecycle+Planning
 * </p>
 * <p>
 * In their current implementation they are "bolted" onto the lifecycle by separating them
 * into TaskSegments. This class represents the execution context of one such task segment.
 * </p>
 * <p>

                blackListedProjects.add(BuilderCommon.getKey(downstreamProject));
            }
        }
    }

    public void halt() {
        halted = true;
    }

    public boolean isHalted() {
        return halted;
    }

    public boolean isHaltedOrBlacklisted(MavenProject mavenProject) {
        return isBlackListed(mavenProject) || isHalted();
    }

    static final int DEFAULT_CONN_TIMEOUT = 35000;

    static final int FLAGS_NONE = 0x00;
    static final int FLAGS_LOCK_AND_READ_WRITE_AND_UNLOCK = 0x01;
    static final int FLAGS_RECEIVE_BUFFER_POSTED = 0x02;
    static final int FLAGS_PATH_NAMES_CASELESS = 0x08;
    static final int FLAGS_PATH_NAMES_CANONICALIZED = 0x10;
    static final int FLAGS_OPLOCK_REQUESTED_OR_GRANTED = 0x20;

    static final int FLAGS_NONE                           = 0x00;
    static final int FLAGS_LOCK_AND_READ_WRITE_AND_UNLOCK = 0x01;
    static final int FLAGS_RECEIVE_BUFFER_POSTED          = 0x02;
    static final int FLAGS_PATH_NAMES_CASELESS            = 0x08;
    static final int FLAGS_PATH_NAMES_CANONICALIZED       = 0x10;
    static final int FLAGS_OPLOCK_REQUESTED_OR_GRANTED    = 0x20;

 */
@ElementTypesAreNonnullByDefault
abstract class Dispatcher {

  /**
   * Returns a dispatcher that queues events that are posted reentrantly on a thread that is already
   * dispatching an event, guaranteeing that all events posted on a single thread are dispatched to
   * all subscribers in the order they are posted.
   *
   * <p>When all subscribers are dispatched to using a <i>direct</i> executor (which dispatches on

        super(message, e);
        this.url = url;
        this.abort = abort;
    }

    public String getUrl() {
        return url;
    }

    public boolean aborted() {
        return abort;
    }

 * the License.
 */

package com.google.common.eventbus;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.base.MoreObjects;

/**
 * Wraps an event that was posted, but which had no subscribers and thus could not be delivered.
 *
 * <p>Registering a DeadEvent subscriber is useful for debugging or logging, as it can detect
 * misconfigurations in a system's event distribution.
 *

  private static final HashFunction SIP_WITH_KEY = Hashing.sipHash24(K0, K1);
  private static final HashFunction SIP_WITHOUT_KEY = Hashing.sipHash24();

  // These constants were originally ported from https://www.131002.net/siphash/siphash24.c. See:
  // https://github.com/nahi/siphash-java-inline/blob/master/src/test/java/org/jruby/util/SipHashInlineTest.java
  private static final long[] EXPECTED =
      new long[] {

  private static final HashFunction SIP_WITH_KEY = Hashing.sipHash24(K0, K1);
  private static final HashFunction SIP_WITHOUT_KEY = Hashing.sipHash24();

  // These constants were originally ported from https://www.131002.net/siphash/siphash24.c. See:
  // https://github.com/nahi/siphash-java-inline/blob/master/src/test/java/org/jruby/util/SipHashInlineTest.java
  private static final long[] EXPECTED =
      new long[] {