public void saveEdge(AccumuloEdge edge) {
ColumnVisibility edgeColumnVisibility = visibilityToAccumuloVisibility(edge.getVisibility());
Mutation m = createMutationForEdge(edge, edgeColumnVisibility);
saveEdgeMutation(m);
String edgeLabel = edge.getNewEdgeLabel() != null ? edge.getNewEdgeLabel() : edge.getLabel();
saveEdgeInfoOnVertex(edge, edgeLabel, edgeColumnVisibility);
}
public void alterEdgeLabel(AccumuloEdge edge, String newEdgeLabel) {
ColumnVisibility edgeColumnVisibility = visibilityToAccumuloVisibility(edge.getVisibility());
Mutation m = createAlterEdgeLabelMutation(edge, newEdgeLabel, edgeColumnVisibility);
saveEdgeMutation(m);
saveEdgeInfoOnVertex(edge, newEdgeLabel, edgeColumnVisibility);
}
private Mutation createAlterEdgeLabelMutation(
AccumuloEdge edge, String newEdgeLabel, ColumnVisibility edgeColumnVisibility) {
String edgeRowKey = edge.getId();
Mutation m = new Mutation(edgeRowKey);
m.putDelete(
AccumuloEdge.CF_SIGNAL,
new Text(edge.getLabel()),
edgeColumnVisibility,
currentTimeMillis());
m.put(
AccumuloEdge.CF_SIGNAL,
new Text(newEdgeLabel),
edgeColumnVisibility,
currentTimeMillis(),
ElementMutationBuilder.EMPTY_VALUE);
return m;
}
public boolean alterElementVisibility(
Mutation m, AccumuloElement element, Visibility newVisibility) {
ColumnVisibility currentColumnVisibility =
visibilityToAccumuloVisibility(element.getVisibility());
ColumnVisibility newColumnVisibility = visibilityToAccumuloVisibility(newVisibility);
if (currentColumnVisibility.equals(newColumnVisibility)) {
return false;
}
if (element instanceof AccumuloEdge) {
AccumuloEdge edge = (AccumuloEdge) element;
m.putDelete(
AccumuloEdge.CF_SIGNAL,
new Text(edge.getLabel()),
currentColumnVisibility,
currentTimeMillis());
m.put(
AccumuloEdge.CF_SIGNAL,
new Text(edge.getLabel()),
newColumnVisibility,
currentTimeMillis(),
ElementMutationBuilder.EMPTY_VALUE);
m.putDelete(
AccumuloEdge.CF_OUT_VERTEX,
new Text(edge.getVertexId(Direction.OUT)),
currentColumnVisibility,
currentTimeMillis());
m.put(
AccumuloEdge.CF_OUT_VERTEX,
new Text(edge.getVertexId(Direction.OUT)),
newColumnVisibility,
currentTimeMillis(),
ElementMutationBuilder.EMPTY_VALUE);
m.putDelete(
AccumuloEdge.CF_IN_VERTEX,
new Text(edge.getVertexId(Direction.IN)),
currentColumnVisibility,
currentTimeMillis());
m.put(
AccumuloEdge.CF_IN_VERTEX,
new Text(edge.getVertexId(Direction.IN)),
newColumnVisibility,
currentTimeMillis(),
ElementMutationBuilder.EMPTY_VALUE);
} else if (element instanceof AccumuloVertex) {
m.putDelete(
AccumuloVertex.CF_SIGNAL, EMPTY_TEXT, currentColumnVisibility, currentTimeMillis());
m.put(
AccumuloVertex.CF_SIGNAL,
EMPTY_TEXT,
newColumnVisibility,
currentTimeMillis(),
ElementMutationBuilder.EMPTY_VALUE);
} else {
throw new IllegalArgumentException("Invalid element type: " + element);
}
return true;
}
private void saveEdgeInfoOnVertex(
AccumuloEdge edge, String edgeLabel, ColumnVisibility edgeColumnVisibility) {
Text edgeIdText = new Text(edge.getId());
// Update out vertex.
Mutation addEdgeToOutMutation = new Mutation(edge.getVertexId(Direction.OUT));
EdgeInfo edgeInfo =
new EdgeInfo(
getNameSubstitutionStrategy().deflate(edgeLabel), edge.getVertexId(Direction.IN));
addEdgeToOutMutation.put(
AccumuloVertex.CF_OUT_EDGE, edgeIdText, edgeColumnVisibility, edgeInfo.toValue());
saveVertexMutation(addEdgeToOutMutation);
// Update in vertex.
Mutation addEdgeToInMutation = new Mutation(edge.getVertexId(Direction.IN));
edgeInfo =
new EdgeInfo(
getNameSubstitutionStrategy().deflate(edgeLabel), edge.getVertexId(Direction.OUT));
addEdgeToInMutation.put(
AccumuloVertex.CF_IN_EDGE, edgeIdText, edgeColumnVisibility, edgeInfo.toValue());
saveVertexMutation(addEdgeToInMutation);
}
public Iterable<KeyValuePair> getVertexTableKeyValuePairsEdge(AccumuloEdge edge) {
List<KeyValuePair> results = new ArrayList<>();
ColumnVisibility edgeColumnVisibility = visibilityToAccumuloVisibility(edge.getVisibility());
String edgeLabel = edge.getNewEdgeLabel() != null ? edge.getNewEdgeLabel() : edge.getLabel();
Text edgeIdText = new Text(edge.getId());
long timestamp = edge.getTimestamp();
// out vertex.
Text vertexOutIdRowKey = new Text(edge.getVertexId(Direction.OUT));
org.vertexium.accumulo.iterator.model.EdgeInfo edgeInfo =
new EdgeInfo(
getNameSubstitutionStrategy().deflate(edgeLabel), edge.getVertexId(Direction.IN));
results.add(
new KeyValuePair(
new Key(
vertexOutIdRowKey,
AccumuloVertex.CF_OUT_EDGE,
edgeIdText,
edgeColumnVisibility,
timestamp),
edgeInfo.toValue()));
// in vertex.
Text vertexInIdRowKey = new Text(edge.getVertexId(Direction.IN));
edgeInfo =
new EdgeInfo(
getNameSubstitutionStrategy().deflate(edgeLabel), edge.getVertexId(Direction.OUT));
results.add(
new KeyValuePair(
new Key(
vertexInIdRowKey,
AccumuloVertex.CF_IN_EDGE,
edgeIdText,
edgeColumnVisibility,
timestamp),
edgeInfo.toValue()));
return results;
}
private Mutation createMutationForEdge(AccumuloEdge edge, ColumnVisibility edgeColumnVisibility) {
String edgeRowKey = edge.getId();
Mutation m = new Mutation(edgeRowKey);
String edgeLabel = edge.getLabel();
if (edge.getNewEdgeLabel() != null) {
edgeLabel = edge.getNewEdgeLabel();
m.putDelete(
AccumuloEdge.CF_SIGNAL,
new Text(edge.getLabel()),
edgeColumnVisibility,
currentTimeMillis());
}
m.put(
AccumuloEdge.CF_SIGNAL,
new Text(edgeLabel),
edgeColumnVisibility,
edge.getTimestamp(),
ElementMutationBuilder.EMPTY_VALUE);
m.put(
AccumuloEdge.CF_OUT_VERTEX,
new Text(edge.getVertexId(Direction.OUT)),
edgeColumnVisibility,
edge.getTimestamp(),
ElementMutationBuilder.EMPTY_VALUE);
m.put(
AccumuloEdge.CF_IN_VERTEX,
new Text(edge.getVertexId(Direction.IN)),
edgeColumnVisibility,
edge.getTimestamp(),
ElementMutationBuilder.EMPTY_VALUE);
for (PropertyDeleteMutation propertyDeleteMutation : edge.getPropertyDeleteMutations()) {
addPropertyDeleteToMutation(m, propertyDeleteMutation);
}
for (PropertySoftDeleteMutation propertySoftDeleteMutation :
edge.getPropertySoftDeleteMutations()) {
addPropertySoftDeleteToMutation(m, propertySoftDeleteMutation);
}
for (Property property : edge.getProperties()) {
addPropertyToMutation(edge.getGraph(), m, edgeRowKey, property);
}
return m;
}
public Iterable<KeyValuePair> getEdgeTableKeyValuePairsEdge(AccumuloEdge edge) {
List<KeyValuePair> results = new ArrayList<>();
ColumnVisibility edgeColumnVisibility = visibilityToAccumuloVisibility(edge.getVisibility());
Text edgeRowKey = new Text(edge.getId());
String edgeLabel = edge.getLabel();
if (edge.getNewEdgeLabel() != null) {
throw new VertexiumException("Cannot get key/value pairs for label changes");
}
results.add(
new KeyValuePair(
new Key(
edgeRowKey,
AccumuloEdge.CF_SIGNAL,
new Text(edgeLabel),
edgeColumnVisibility,
edge.getTimestamp()),
ElementMutationBuilder.EMPTY_VALUE));
results.add(
new KeyValuePair(
new Key(
edgeRowKey,
AccumuloEdge.CF_OUT_VERTEX,
new Text(edge.getVertexId(Direction.OUT)),
edgeColumnVisibility,
edge.getTimestamp()),
ElementMutationBuilder.EMPTY_VALUE));
results.add(
new KeyValuePair(
new Key(
edgeRowKey,
AccumuloEdge.CF_IN_VERTEX,
new Text(edge.getVertexId(Direction.IN)),
edgeColumnVisibility,
edge.getTimestamp()),
ElementMutationBuilder.EMPTY_VALUE));
if (edge.getPropertyDeleteMutations().iterator().hasNext()) {
throw new VertexiumException("Cannot get key/value pairs for property deletions");
}
for (PropertySoftDeleteMutation propertySoftDeleteMutation :
edge.getPropertySoftDeleteMutations()) {
addPropertySoftDeleteToKeyValuePairs(results, edgeRowKey, propertySoftDeleteMutation);
}
for (Property property : edge.getProperties()) {
addPropertyToKeyValuePairs(results, edgeRowKey, property);
}
return results;
}
