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;
}
/**
* Instantiate a RecordWriter as required. This will create an RecordWriter from the internal
* AccumuloOutputFormat
*/
@Override
public RecordWriter getRecordWriter(TaskAttemptContext context)
throws IOException, InterruptedException {
if (zoomLevel == -1) {
zoomLevel =
Integer.parseInt(
context.getConfiguration().get(MrGeoAccumuloConstants.MRGEO_ACC_KEY_ZOOMLEVEL));
}
if (_innerFormat == null) {
initialize(context);
}
if (_innerRecordWriter == null) {
_innerRecordWriter = _innerFormat.getRecordWriter(context);
}
String pl = context.getConfiguration().get(MrGeoAccumuloConstants.MRGEO_ACC_KEY_VIZ);
if (colViz == null) {
colViz = new ColumnVisibility(pl);
}
AccumuloMrGeoRecordWriter outRW =
new AccumuloMrGeoRecordWriter(
zoomLevel, table, _innerRecordWriter, new String(colViz.getExpression()));
return outRW;
} // end getRecordWriter
public boolean alterEdgeVertexInVertex(
Mutation vertexInMutation, Edge edge, Visibility newVisibility) {
ColumnVisibility currentColumnVisibility = visibilityToAccumuloVisibility(edge.getVisibility());
ColumnVisibility newColumnVisibility = visibilityToAccumuloVisibility(newVisibility);
if (currentColumnVisibility.equals(newColumnVisibility)) {
return false;
}
EdgeInfo edgeInfo =
new EdgeInfo(
getNameSubstitutionStrategy().deflate(edge.getLabel()),
edge.getVertexId(Direction.OUT));
vertexInMutation.putDelete(
AccumuloVertex.CF_IN_EDGE, new Text(edge.getId()), currentColumnVisibility);
vertexInMutation.put(
AccumuloVertex.CF_IN_EDGE, new Text(edge.getId()), newColumnVisibility, edgeInfo.toValue());
return true;
}
