code: protected boolean canMergeConfigurationWith(GraphAlgorithmWrappingBase other) {
  		Preconditions.checkNotNull(other);
  
  		return this.getClass().equals(other.getClass());
  	}
docs: First test whether the algorithm configurations can be merged before the
  call to {@link #mergeConfiguration}.
  
  @param other the algorithm with which to compare configuration
  @return true if and only if configuration can be merged and the
  algorithm's output can be reused
  
  @see #mergeConfiguration(GraphAlgorithmWrappingBase)