Examples with AtlasMapType org.apache.atlas.type.AtlasMapType used on opensource projects

Example 16 with AtlasMapType

use of org.apache.atlas.type.AtlasMapType in project atlas by apache.

the class EntityDiscoveryService method isRelationshipAttribute.

private boolean isRelationshipAttribute(AtlasAttribute attribute) throws AtlasBaseException {
    boolean ret = true;
    AtlasType attrType = attribute.getAttributeType();
    if (attrType.getTypeCategory() == ARRAY) {
        attrType = ((AtlasArrayType) attrType).getElementType();
    } else if (attrType.getTypeCategory() == MAP) {
        attrType = ((AtlasMapType) attrType).getValueType();
    }
    if (attrType.getTypeCategory() != OBJECT_ID_TYPE) {
        ret = false;
    }
    return ret;
}

Example 17 with AtlasMapType

use of org.apache.atlas.type.AtlasMapType in project incubator-atlas by apache.

the class DeleteHandlerV1 method deleteTypeVertex.

/**
 * Deleting any type vertex. Goes over the complex attributes and removes the references
 * @param instanceVertex
 * @throws AtlasException
 */
protected void deleteTypeVertex(AtlasVertex instanceVertex, boolean force) throws AtlasBaseException {
    LOG.debug("Deleting {}", string(instanceVertex));
    String typeName = GraphHelper.getTypeName(instanceVertex);
    AtlasType parentType = typeRegistry.getType(typeName);
    if (parentType instanceof AtlasStructType) {
        AtlasStructType structType = (AtlasStructType) parentType;
        boolean isEntityType = (parentType instanceof AtlasEntityType);
        for (AtlasStructType.AtlasAttribute attributeInfo : structType.getAllAttributes().values()) {
            LOG.debug("Deleting attribute {} for {}", attributeInfo.getName(), string(instanceVertex));
            boolean isOwned = isEntityType && attributeInfo.isOwnedRef();
            AtlasType attrType = attributeInfo.getAttributeType();
            String edgeLabel = AtlasGraphUtilsV1.getAttributeEdgeLabel(structType, attributeInfo.getName());
            switch(attrType.getTypeCategory()) {
                case OBJECT_ID_TYPE:
                    // If its class attribute, delete the reference
                    deleteEdgeReference(instanceVertex, edgeLabel, attrType.getTypeCategory(), isOwned);
                    break;
                case STRUCT:
                    // If its struct attribute, delete the reference
                    deleteEdgeReference(instanceVertex, edgeLabel, attrType.getTypeCategory(), false);
                    break;
                case ARRAY:
                    // For array attribute, if the element is struct/class, delete all the references
                    AtlasArrayType arrType = (AtlasArrayType) attrType;
                    AtlasType elemType = arrType.getElementType();
                    if (AtlasGraphUtilsV1.isReference(elemType.getTypeCategory())) {
                        Iterator<AtlasEdge> edges = graphHelper.getOutGoingEdgesByLabel(instanceVertex, edgeLabel);
                        if (edges != null) {
                            while (edges.hasNext()) {
                                AtlasEdge edge = edges.next();
                                deleteEdgeReference(edge, elemType.getTypeCategory(), isOwned, false);
                            }
                        }
                    }
                    break;
                case MAP:
                    // For map attribute, if the value type is struct/class, delete all the references
                    AtlasMapType mapType = (AtlasMapType) attrType;
                    AtlasType keyType = mapType.getKeyType();
                    TypeCategory valueTypeCategory = mapType.getValueType().getTypeCategory();
                    String propertyName = AtlasGraphUtilsV1.getQualifiedAttributePropertyKey(structType, attributeInfo.getName());
                    if (AtlasGraphUtilsV1.isReference(valueTypeCategory)) {
                        List<Object> keys = EntityGraphMapper.getArrayElementsProperty(keyType, instanceVertex, propertyName);
                        if (keys != null) {
                            for (Object key : keys) {
                                String mapEdgeLabel = GraphHelper.getQualifiedNameForMapKey(edgeLabel, (String) key);
                                deleteEdgeReference(instanceVertex, mapEdgeLabel, valueTypeCategory, isOwned);
                            }
                        }
                    }
            }
        }
    }
    deleteVertex(instanceVertex, force);
}

Example 18 with AtlasMapType

use of org.apache.atlas.type.AtlasMapType in project incubator-atlas by apache.

the class EntityGraphMapper method mapMapValue.

private Map<String, Object> mapMapValue(AttributeMutationContext ctx, EntityMutationContext context) throws AtlasBaseException {
    if (LOG.isDebugEnabled()) {
        LOG.debug("==> mapMapValue({})", ctx);
    }
    @SuppressWarnings("unchecked") Map<Object, Object> newVal = (Map<Object, Object>) ctx.getValue();
    Map<String, Object> newMap = new HashMap<>();
    AtlasMapType mapType = (AtlasMapType) ctx.getAttrType();
    try {
        AtlasAttribute attribute = ctx.getAttribute();
        List<String> currentKeys = GraphHelper.getListProperty(ctx.getReferringVertex(), ctx.getVertexProperty());
        Map<String, Object> currentMap = new HashMap<>();
        if (CollectionUtils.isNotEmpty(currentKeys)) {
            for (String key : currentKeys) {
                String propertyNameForKey = GraphHelper.getQualifiedNameForMapKey(ctx.getVertexProperty(), GraphHelper.encodePropertyKey(key));
                Object propertyValueForKey = getMapValueProperty(mapType.getValueType(), ctx.getReferringVertex(), propertyNameForKey);
                currentMap.put(key, propertyValueForKey);
            }
        }
        if (MapUtils.isNotEmpty(newVal)) {
            boolean isReference = AtlasGraphUtilsV1.isReference(mapType.getValueType());
            AtlasAttribute inverseRefAttribute = attribute.getInverseRefAttribute();
            for (Map.Entry<Object, Object> entry : newVal.entrySet()) {
                String key = entry.getKey().toString();
                String propertyName = GraphHelper.getQualifiedNameForMapKey(ctx.getVertexProperty(), GraphHelper.encodePropertyKey(key));
                AtlasEdge existingEdge = getEdgeIfExists(mapType, currentMap, key);
                AttributeMutationContext mapCtx = new AttributeMutationContext(ctx.getOp(), ctx.getReferringVertex(), attribute, entry.getValue(), propertyName, mapType.getValueType(), existingEdge);
                // Add/Update/Remove property value
                Object newEntry = mapCollectionElementsToVertex(mapCtx, context);
                setMapValueProperty(mapType.getValueType(), ctx.getReferringVertex(), propertyName, newEntry);
                newMap.put(key, newEntry);
                // update the inverse reference value.
                if (isReference && newEntry instanceof AtlasEdge && inverseRefAttribute != null) {
                    AtlasEdge newEdge = (AtlasEdge) newEntry;
                    addInverseReference(inverseRefAttribute, newEdge);
                }
            }
        }
        Map<String, Object> finalMap = removeUnusedMapEntries(attribute, ctx.getReferringVertex(), ctx.getVertexProperty(), currentMap, newMap);
        for (Object newEntry : newMap.values()) {
            updateInConsistentOwnedMapVertices(ctx, mapType, newEntry);
        }
        Set<String> newKeys = new LinkedHashSet<>(newMap.keySet());
        newKeys.addAll(finalMap.keySet());
        // for dereference on way out
        GraphHelper.setListProperty(ctx.getReferringVertex(), ctx.getVertexProperty(), new ArrayList<>(newKeys));
    } catch (AtlasException e) {
        throw new AtlasBaseException(AtlasErrorCode.INTERNAL_ERROR, e);
    }
    if (LOG.isDebugEnabled()) {
        LOG.debug("<== mapMapValue({})", ctx);
    }
    return newMap;
}

Example 19 with AtlasMapType

use of org.apache.atlas.type.AtlasMapType in project incubator-atlas by apache.

the class ExportService method addType.

private void addType(AtlasType type, ExportContext context) {
    if (type.getTypeCategory() == TypeCategory.PRIMITIVE) {
        return;
    }
    if (type instanceof AtlasArrayType) {
        AtlasArrayType arrayType = (AtlasArrayType) type;
        addType(arrayType.getElementType(), context);
    } else if (type instanceof AtlasMapType) {
        AtlasMapType mapType = (AtlasMapType) type;
        addType(mapType.getKeyType(), context);
        addType(mapType.getValueType(), context);
    } else if (type instanceof AtlasEntityType) {
        addEntityType((AtlasEntityType) type, context);
    } else if (type instanceof AtlasClassificationType) {
        addClassificationType((AtlasClassificationType) type, context);
    } else if (type instanceof AtlasStructType) {
        addStructType((AtlasStructType) type, context);
    } else if (type instanceof AtlasEnumType) {
        addEnumType((AtlasEnumType) type, context);
    }
}