Java Code Examples for com.thinkaurelius.titan.core.Cardinality#LIST

The following examples show how to use com.thinkaurelius.titan.core.Cardinality#LIST . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ManagementSystem.java    From titan1withtp3.1 with Apache License 2.0 5 votes vote down vote up 
private TitanGraphIndex createCompositeIndex(String indexName, ElementCategory elementCategory, boolean unique, TitanSchemaType constraint, PropertyKey... keys) {
    checkIndexName(indexName);
    Preconditions.checkArgument(keys != null && keys.length > 0, "Need to provide keys to index [%s]", indexName);
    Preconditions.checkArgument(!unique || elementCategory == ElementCategory.VERTEX, "Unique indexes can only be created on vertices [%s]", indexName);
    boolean allSingleKeys = true;
    boolean oneNewKey = false;
    for (PropertyKey key : keys) {
        Preconditions.checkArgument(key != null && key instanceof PropertyKeyVertex, "Need to provide valid keys: %s", key);
        if (key.cardinality() != Cardinality.SINGLE) allSingleKeys = false;
        if (key.isNew()) oneNewKey = true;
        else updatedTypes.add((PropertyKeyVertex) key);
    }

    Cardinality indexCardinality;
    if (unique) indexCardinality = Cardinality.SINGLE;
    else indexCardinality = (allSingleKeys ? Cardinality.SET : Cardinality.LIST);

    TypeDefinitionMap def = new TypeDefinitionMap();
    def.setValue(TypeDefinitionCategory.INTERNAL_INDEX, true);
    def.setValue(TypeDefinitionCategory.ELEMENT_CATEGORY, elementCategory);
    def.setValue(TypeDefinitionCategory.BACKING_INDEX, Token.INTERNAL_INDEX_NAME);
    def.setValue(TypeDefinitionCategory.INDEXSTORE_NAME, indexName);
    def.setValue(TypeDefinitionCategory.INDEX_CARDINALITY, indexCardinality);
    def.setValue(TypeDefinitionCategory.STATUS, oneNewKey ? SchemaStatus.ENABLED : SchemaStatus.INSTALLED);
    TitanSchemaVertex indexVertex = transaction.makeSchemaVertex(TitanSchemaCategory.GRAPHINDEX, indexName, def);
    for (int i = 0; i < keys.length; i++) {
        Parameter[] paras = {ParameterType.INDEX_POSITION.getParameter(i)};
        addSchemaEdge(indexVertex, keys[i], TypeDefinitionCategory.INDEX_FIELD, paras);
    }

    Preconditions.checkArgument(constraint == null || (elementCategory.isValidConstraint(constraint) && constraint instanceof TitanSchemaVertex));
    if (constraint != null) {
        addSchemaEdge(indexVertex, (TitanSchemaVertex) constraint, TypeDefinitionCategory.INDEX_SCHEMA_CONSTRAINT, null);
    }
    updateSchemaVertex(indexVertex);
    TitanGraphIndexWrapper index = new TitanGraphIndexWrapper(indexVertex.asIndexType());
    if (!oneNewKey) updateIndex(index, SchemaAction.REGISTER_INDEX);
    return index;
}
Example 2
Source File: TitanObjectFactory.java    From incubator-atlas with Apache License 2.0 5 votes vote down vote up 
/**
 * Converts a Multiplicity to a Cardinality.
 *
 * @param multiplicity
 * @return
 */
public static Cardinality createCardinality(AtlasCardinality cardinality) {
    switch(cardinality) {

    case SINGLE:
        return Cardinality.SINGLE;
    case LIST:
        return Cardinality.LIST;
    case SET:
        return Cardinality.SET;
    default:
        throw new IllegalStateException("Unrecognized cardinality: " + cardinality);
    }
}
Example 3
Source File: GraphDbObjectFactory.java    From incubator-atlas with Apache License 2.0 5 votes vote down vote up 
/**
 * Converts a Multiplicity to a Cardinality.
 *
 * @param cardinality
 * @return
 */
public static AtlasCardinality createCardinality(Cardinality cardinality) {

    if (cardinality == Cardinality.SINGLE) {
        return AtlasCardinality.SINGLE;
    } else if (cardinality == Cardinality.LIST) {
        return AtlasCardinality.LIST;
    }
    return AtlasCardinality.SET;
}
Example 4
Source File: TitanObjectFactory.java    From incubator-atlas with Apache License 2.0 5 votes vote down vote up 
/**
 * Converts a Multiplicity to a Cardinality.
 *
 * @param multiplicity
 * @return
 */
public static Cardinality createCardinality(AtlasCardinality cardinality) {
    switch(cardinality) {

    case SINGLE:
        return Cardinality.SINGLE;
    case LIST:
        return Cardinality.LIST;
    case SET:
        return Cardinality.SET;
    default:
        throw new IllegalStateException("Unrecognized cardinality: " + cardinality);
    }
}
Example 5
Source File: GraphDbObjectFactory.java    From incubator-atlas with Apache License 2.0 5 votes vote down vote up 
/**
 * Converts a Multiplicity to a Cardinality.
 *
 * @param cardinality
 * @return
 */
public static AtlasCardinality createCardinality(Cardinality cardinality) {

    if (cardinality == Cardinality.SINGLE) {
        return AtlasCardinality.SINGLE;
    } else if (cardinality == Cardinality.LIST) {
        return AtlasCardinality.LIST;
    }
    return AtlasCardinality.SET;
}
Example 6
Source File: Tp3DefaultSchemaMaker.java    From titan1withtp3.1 with Apache License 2.0 4 votes vote down vote up 
@Override
public Cardinality defaultPropertyCardinality(String key) {
    return Cardinality.LIST;
}