type, Object defaultValue) {
+ // Remove existing column to delete the results from previous runs
+ if (table.hasColumn(name)) {
+ table.removeColumn(name);
+ }
+ return table.addColumn(name, name, type, defaultValue);
+ }
+
+ private void addNodeIdToList(Node node, String listColumnName, String idToAdd) {
+ String existingList = (String) node.getAttribute(listColumnName);
+
+ if (existingList.isEmpty()) {
+ node.setAttribute(listColumnName, idToAdd);
+ } else {
+ node.setAttribute(listColumnName, existingList + "," + idToAdd);
+ }
+ }
+
+ private String getSuccessfulReport() {
+ StringBuilder report = new StringBuilder();
+
+ report.append("Multi Node Lineage has run successfully.
\n");
+ report.append("The results have been recorded as new attributes on each Node (see Data Laboratory).
\n");
+
+ lineages.forEach((originNodeId, lineage) ->
+ report.append(reportSectionForOneOrigin(originNodeId, lineage))
+ );
+
+ return report.toString();
+ }
+
+ private String getErrorReport() {
+ StringBuilder report = new StringBuilder();
+ report.append("Error running Multi Node Lineage.
\n");
+ errors.forEach(error -> report.append("").append(error).append("
\n"));
+ return report.toString();
+ }
+
+ private String reportSectionForOneOrigin(String originNodeId, Lineage lineage) {
+ return String.format(
+ "Node %s has %d ancestors and %d descendants.
\n",
+ originNodeId,
+ lineage.getAncestorIds().size(),
+ lineage.getDescendantIds().size()
+ );
+ }
+
+}
\ No newline at end of file
diff --git a/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/MultiNodeLineageBuilder.java b/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/MultiNodeLineageBuilder.java
new file mode 100644
index 000000000..211ecca14
--- /dev/null
+++ b/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/MultiNodeLineageBuilder.java
@@ -0,0 +1,28 @@
+
+package uk.co.timsummertonbrier.multinodelineage;
+
+import org.gephi.statistics.spi.Statistics;
+import org.gephi.statistics.spi.StatisticsBuilder;
+import org.openide.util.lookup.ServiceProvider;
+
+@ServiceProvider(service = StatisticsBuilder.class)
+public class MultiNodeLineageBuilder implements StatisticsBuilder {
+
+ @Override
+ public String getName() {
+ return "Multi Node Lineage";
+ }
+
+ @Override
+ public Statistics getStatistics() {
+ return new MultiNodeLineage();
+ }
+
+ @Override
+ public Class extends Statistics> getStatisticsClass() {
+ return MultiNodeLineage.class;
+ }
+
+
+
+}
diff --git a/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/MultiNodeLineagePanel.java b/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/MultiNodeLineagePanel.java
new file mode 100644
index 000000000..3cad6eaa2
--- /dev/null
+++ b/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/MultiNodeLineagePanel.java
@@ -0,0 +1,53 @@
+
+package uk.co.timsummertonbrier.multinodelineage;
+
+import java.awt.Dimension;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import javax.swing.BorderFactory;
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+
+public class MultiNodeLineagePanel extends JPanel {
+
+ private static final long serialVersionUID = 1759842236L;
+
+ private final JTextField originNodeIdsTextField = new JTextField();
+
+ public MultiNodeLineagePanel() {
+ initComponents();
+ }
+
+ public List getOriginNodeIds() {
+ String allOriginNodeIds = originNodeIdsTextField.getText();
+ if (allOriginNodeIds.isEmpty()) {
+ return Collections.emptyList();
+ }
+ return Arrays.asList(allOriginNodeIds.split(","));
+ }
+
+ private void initComponents() {
+ setPreferredSize(new Dimension(450, 160));
+ setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
+ setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
+
+ addText("Identifies the ancestors and descendants of a set of nodes. Attributes are added to the nodes to record the results. These attributes can be used for further analysis (e.g filtering).");
+ addGap();
+ addText("Enter the ID(s) of the origin node(s) you wish to process. Separate multiple IDs with a comma, e.g: node1,node2,node3");
+ addGap();
+ add(originNodeIdsTextField);
+ }
+
+ private void addText(String text) {
+ add(new JLabel("" + text));
+ }
+
+ private void addGap() {
+ add(Box.createRigidArea(new Dimension(0, 20)));
+ }
+
+}
diff --git a/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/MultiNodeLineageUI.java b/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/MultiNodeLineageUI.java
new file mode 100644
index 000000000..cc353184b
--- /dev/null
+++ b/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/MultiNodeLineageUI.java
@@ -0,0 +1,65 @@
+
+package uk.co.timsummertonbrier.multinodelineage;
+
+import javax.swing.JPanel;
+import org.gephi.statistics.spi.Statistics;
+import org.gephi.statistics.spi.StatisticsUI;
+import org.openide.util.lookup.ServiceProvider;
+
+@ServiceProvider(service = StatisticsUI.class)
+public class MultiNodeLineageUI implements StatisticsUI {
+
+ private MultiNodeLineage statistics;
+ private MultiNodeLineagePanel panel;
+
+ @Override
+ public JPanel getSettingsPanel() {
+ panel = new MultiNodeLineagePanel();
+ return panel;
+ }
+
+ @Override
+ public void setup(Statistics ststcs) {
+ statistics = (MultiNodeLineage) ststcs;
+ }
+
+ @Override
+ public void unsetup() {
+ if (panel != null) {
+ statistics.setOriginNodeIds(panel.getOriginNodeIds());
+ }
+ statistics = null;
+ panel = null;
+ }
+
+ @Override
+ public Class extends Statistics> getStatisticsClass() {
+ return MultiNodeLineage.class;
+ }
+
+ @Override
+ public String getValue() {
+ return "";
+ }
+
+ @Override
+ public String getDisplayName() {
+ return "Multi Node Lineage";
+ }
+
+ @Override
+ public String getShortDescription() {
+ return "Identifies the ancestors and descendants of a set of nodes.";
+ }
+
+ @Override
+ public String getCategory() {
+ return StatisticsUI.CATEGORY_NODE_OVERVIEW;
+ }
+
+ @Override
+ public int getPosition() {
+ return 9999;
+ }
+
+}
diff --git a/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/MultiNodeLineageValidator.java b/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/MultiNodeLineageValidator.java
new file mode 100644
index 000000000..4d924c013
--- /dev/null
+++ b/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/MultiNodeLineageValidator.java
@@ -0,0 +1,89 @@
+package uk.co.timsummertonbrier.multinodelineage;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+import org.gephi.graph.api.DirectedGraph;
+import org.gephi.graph.api.GraphModel;
+import static uk.co.timsummertonbrier.multinodelineage.GetNodeById.getNodeById;
+
+public class MultiNodeLineageValidator {
+
+ private final GraphModel graphModel;
+ private final DirectedGraph graph;
+ private final List originNodeIds;
+ private final List errors;
+ private final List notIntNodeIds;
+ private final List notFoundNodeIds;
+
+ public MultiNodeLineageValidator(GraphModel graphModel, DirectedGraph graph, List originNodeIds) {
+ this.graphModel = graphModel;
+ this.graph = graph;
+ this.originNodeIds = originNodeIds;
+ errors = new ArrayList<>();
+ notIntNodeIds = new ArrayList<>();
+ notFoundNodeIds = new ArrayList<>();
+ }
+
+ public List validate() {
+ validateOriginNodeIdsIsNotEmpty();
+ validateGraphIsDirected();
+ validateEachNodeId();
+ return errors;
+ }
+
+ private void validateOriginNodeIdsIsNotEmpty() {
+ if (originNodeIds.isEmpty()) {
+ errors.add("No origin node ID(s) were supplied");
+ }
+ }
+
+ private void validateGraphIsDirected() {
+ // In testing calculating lineage on undirected graphs does "work", but
+ // it produces confusing results where some nodes are ancestors and some
+ // are descendants. In reality on an undirected graph all connected
+ // nodes should be ancestors and descendants.
+ if (!graphModel.isDirected()) {
+ errors.add("This graph is not directed. Calculating lineage only makes sense on directed graphs.");
+ }
+ }
+
+ private void validateEachNodeId() {
+ originNodeIds.forEach(id -> checkNodeId(id));
+ if (!notIntNodeIds.isEmpty()) {
+ errors.add("This graph uses integer node IDs, and the following requested origin node IDs are not integers: " + listToString(notIntNodeIds));
+ }
+ if (!notFoundNodeIds.isEmpty()) {
+ errors.add("The following requested origin node IDs could not be found in the graph: " + listToString(notFoundNodeIds));
+ }
+ }
+
+ private boolean usingIntegerNodeIds() {
+ return graphModel.getConfiguration().getNodeIdType() == Integer.class;
+ }
+
+ private void checkNodeId(String id) {
+ if (usingIntegerNodeIds() && !isInteger(id)) {
+ notIntNodeIds.add(id);
+ // Exit as there is no point in checking if this node id exists
+ return;
+ }
+ if (getNodeById(graph, id) == null) {
+ notFoundNodeIds.add(id);
+ }
+ }
+
+ private boolean isInteger(String str) {
+ try {
+ Integer.valueOf(str);
+ return true;
+ } catch (NumberFormatException e) {
+ return false;
+ }
+ }
+
+ private String listToString(List list) {
+ return list.stream().map(id -> "'" + id + "'").collect(Collectors.joining(", "));
+ }
+
+}
\ No newline at end of file
diff --git a/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/NodeChildSupplier.java b/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/NodeChildSupplier.java
new file mode 100644
index 000000000..03a451e76
--- /dev/null
+++ b/modules/MultiNodeLineage/src/main/java/uk/co/timsummertonbrier/multinodelineage/NodeChildSupplier.java
@@ -0,0 +1,9 @@
+package uk.co.timsummertonbrier.multinodelineage;
+
+import org.gephi.graph.api.DirectedGraph;
+import org.gephi.graph.api.Node;
+import org.gephi.graph.api.NodeIterable;
+
+public interface NodeChildSupplier {
+ NodeIterable getChildren(DirectedGraph graph, Node parent);
+}
\ No newline at end of file
diff --git a/modules/MultiNodeLineage/src/main/nbm/manifest.mf b/modules/MultiNodeLineage/src/main/nbm/manifest.mf
new file mode 100644
index 000000000..3cae9de5b
--- /dev/null
+++ b/modules/MultiNodeLineage/src/main/nbm/manifest.mf
@@ -0,0 +1,5 @@
+Manifest-Version: 1.0
+OpenIDE-Module-Name: Multi Node Lineage
+OpenIDE-Module-Short-Description: Identifies the ancestors and descendants of a set of nodes.
+OpenIDE-Module-Long-Description: Identifies the ancestors and descendants of a set of nodes. Attributes are added to the nodes to record the results. These attributes can be used for further analysis (e.g filtering).
+OpenIDE-Module-Display-Category: Metric
diff --git a/pom.xml b/pom.xml
index afb8f2bf5..62e5f0159 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,6 +12,7 @@
+ modules/MultiNodeLineage
@@ -39,6 +40,28 @@
true
+
+
+ gephi
+ https://raw.github.com/gephi/gephi/mvn-thirdparty-repo/
+
+ true
+
+
+ true
+
+
+
+
+ jzy3d
+ https://maven.jzy3d.org/releases/
+
+ true
+
+
+ true
+
+