return AbstractNetwork.this.isDirected();
      }

      @Override
      public boolean allowsSelfLoops() {
        return AbstractNetwork.this.allowsSelfLoops();
      }

      @Override
      public Set<N> adjacentNodes(N node) {
        return AbstractNetwork.this.adjacentNodes(node);
      }

      @Override
      public Set<N> predecessors(N node) {

        return null;
    }

    private boolean isMissingPom(Exception e) {
        if (e.getCause() instanceof MultipleArtifactsNotFoundException) {
            return true;
        }
        return e.getCause() instanceof org.eclipse.aether.resolution.ArtifactResolutionException
                && e.getCause().getCause() instanceof ArtifactNotFoundException;
    }

    private boolean isNonTransferablePom(Exception e) {

            modelSource = new FileModelSource(pomFile);
        }
        return modelSource;
    }

    @Override
    public DefaultModelBuildingRequest setModelSource(ModelSource modelSource) {
        this.modelSource = modelSource;

        return this;
    }

    @Override
    public int getValidationLevel() {
        return validationLevel;
    }

    @Override

                        tracker);
                return false;
            }
        }

        return true;
    }

    private boolean hasExpression(String value) {
        return value != null && value.contains("${");
    }

    private boolean hasProjectExpression(String value) {
        return value != null && value.contains("${project.");
    }

     * Returns the name of this request parameter.
     *
     * @return the parameter name
     */
    public String getName() {
        return name;
    }

    /**
     * Returns the array of values associated with this request parameter.
     *
     * @return the parameter values array, may be null or empty
     */
    public String[] getValues() {
        return values;
    }

    /**

    //                                                                             =======
    @Override
    public ElevateWordToLabelDbm asDBMeta() {
        return ElevateWordToLabelDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "elevate_word_to_label";
    }

    // ===================================================================================

      shutdown();
      return ImmutableList.of();
    }

    @Override
    public boolean isShutdown() {
      return shutdown;
    }

    @Override
    public boolean isTerminated() {
      return shutdown;
    }

    @Override
    public boolean awaitTermination(long timeout, TimeUnit unit) {
      return true;
    }

    @Override

                return "id";
            }

            @Override
            public String getIndexFieldDocId() {
                return "doc_id";
            }

            @Override
            public String getIndexFieldBoost() {
                return "boost";
            }

            @Override
            public String getIndexFieldContentLength() {
                return "content_length";

        if (props != null) {
            return props.getProperty(key + ERROR_KEY_SUFFIX);
        }
        return null;
    }

    private Properties read(File touchfile) {
        return trackingFileManager.read(touchfile);
    }

    File getTouchfile(Artifact artifact) {
        StringBuilder sb = new StringBuilder(128);
        sb.append(artifact.getArtifactId());

            try {
                return clazz.getMethod(name, paramTypes);
            } catch (NoSuchMethodException e) {
                // If the class does not have the method, then neither its superclass
                // nor any of its interfaces has it so quickly return null.
                return null;
            }
        }

        //  try the superclass