Examples with ParameterIndexField com.thinkaurelius.titan.graphdb.types.ParameterIndexField used on opensource projects

Example 1 with ParameterIndexField

use of com.thinkaurelius.titan.graphdb.types.ParameterIndexField in project titan by thinkaurelius.

the class ManagementSystem method updateIndex.

/* --------------
    Schema Update
     --------------- */
@Override
public IndexJobFuture updateIndex(TitanIndex index, SchemaAction updateAction) {
    Preconditions.checkArgument(index != null, "Need to provide an index");
    Preconditions.checkArgument(updateAction != null, "Need to provide update action");
    TitanSchemaVertex schemaVertex = getSchemaVertex(index);
    Set<TitanSchemaVertex> dependentTypes;
    Set<PropertyKeyVertex> keySubset = ImmutableSet.of();
    if (index instanceof RelationTypeIndex) {
        dependentTypes = ImmutableSet.of((TitanSchemaVertex) ((InternalRelationType) schemaVertex).getBaseType());
        if (!updateAction.isApplicableStatus(schemaVertex.getStatus()))
            return null;
    } else if (index instanceof TitanGraphIndex) {
        IndexType indexType = schemaVertex.asIndexType();
        dependentTypes = Sets.newHashSet();
        if (indexType.isCompositeIndex()) {
            if (!updateAction.isApplicableStatus(schemaVertex.getStatus()))
                return null;
            for (PropertyKey key : ((TitanGraphIndex) index).getFieldKeys()) {
                dependentTypes.add((PropertyKeyVertex) key);
            }
        } else {
            keySubset = Sets.newHashSet();
            MixedIndexType cindexType = (MixedIndexType) indexType;
            Set<SchemaStatus> applicableStatus = updateAction.getApplicableStatus();
            for (ParameterIndexField field : cindexType.getFieldKeys()) {
                if (applicableStatus.contains(field.getStatus()))
                    keySubset.add((PropertyKeyVertex) field.getFieldKey());
            }
            if (keySubset.isEmpty())
                return null;
            dependentTypes.addAll(keySubset);
        }
    } else
        throw new UnsupportedOperationException("Updates not supported for index: " + index);
    IndexIdentifier indexId = new IndexIdentifier(index);
    StandardScanner.Builder builder;
    IndexJobFuture future;
    switch(updateAction) {
        case REGISTER_INDEX:
            setStatus(schemaVertex, SchemaStatus.INSTALLED, keySubset);
            updatedTypes.add(schemaVertex);
            updatedTypes.addAll(dependentTypes);
            setUpdateTrigger(new UpdateStatusTrigger(graph, schemaVertex, SchemaStatus.REGISTERED, keySubset));
            future = new EmptyIndexJobFuture();
            break;
        case REINDEX:
            builder = graph.getBackend().buildEdgeScanJob();
            builder.setFinishJob(indexId.getIndexJobFinisher(graph, SchemaAction.ENABLE_INDEX));
            builder.setJobId(indexId);
            builder.setJob(VertexJobConverter.convert(graph, new IndexRepairJob(indexId.indexName, indexId.relationTypeName)));
            try {
                future = builder.execute();
            } catch (BackendException e) {
                throw new TitanException(e);
            }
            break;
        case ENABLE_INDEX:
            setStatus(schemaVertex, SchemaStatus.ENABLED, keySubset);
            updatedTypes.add(schemaVertex);
            if (!keySubset.isEmpty())
                updatedTypes.addAll(dependentTypes);
            future = new EmptyIndexJobFuture();
            break;
        case DISABLE_INDEX:
            setStatus(schemaVertex, SchemaStatus.INSTALLED, keySubset);
            updatedTypes.add(schemaVertex);
            if (!keySubset.isEmpty())
                updatedTypes.addAll(dependentTypes);
            setUpdateTrigger(new UpdateStatusTrigger(graph, schemaVertex, SchemaStatus.DISABLED, keySubset));
            future = new EmptyIndexJobFuture();
            break;
        case REMOVE_INDEX:
            if (index instanceof RelationTypeIndex) {
                builder = graph.getBackend().buildEdgeScanJob();
            } else {
                TitanGraphIndex gindex = (TitanGraphIndex) index;
                if (gindex.isMixedIndex())
                    throw new UnsupportedOperationException("External mixed indexes must be removed in the indexing system directly.");
                builder = graph.getBackend().buildGraphIndexScanJob();
            }
            builder.setFinishJob(indexId.getIndexJobFinisher());
            builder.setJobId(indexId);
            builder.setJob(new IndexRemoveJob(graph, indexId.indexName, indexId.relationTypeName));
            try {
                future = builder.execute();
            } catch (BackendException e) {
                throw new TitanException(e);
            }
            break;
        default:
            throw new UnsupportedOperationException("Update action not supported: " + updateAction);
    }
    return future;
}