@Override
  public String toString() {
    String identity = super.toString();
    identity = identity.substring(identity.lastIndexOf(".") + 1);
    return "[" + identity + ": " + "dls=" + dls.getName()
        + "key=" + key
        + "]";
  }
Constructs a new <code>DistributedMemberLock</code>.

@param dls the instance of <code>DistributedLockService</code> to use
@param key name of the key for this lock
@param leaseTimeout number of milliseconds to hold a lock before automatically releasing it
@param reentryPolicy defines behavior for lock reentry
@throws NullPointerException if dls or key is null
geode-core/src/main/java/org/apache/geode/distributed/internal/locks/DistributedMemberLock.java