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Commit acfe9a48 by Madhan Neethiraj
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ATLAS-1526: updated AtlasAttribute with helper methods to derive isComposite/reverseAttribute flags

parent 4f4ab9b9
Showing with 249 additions and 223 deletions
addons/models/0030-hive_model.json
......@@ -231,14 +231,7 @@
"name": "partitionKeys",
"typeName": "array<hive_column>",
"cardinality": "SINGLE",
"constraintDefs": [
{
"type": "foreignKey",
"params": {
"onDelete": "update"
}
}
],
"constraintDefs": [],
"isIndexable": false,
"isOptional": true,
"isUnique": false
......@@ -255,14 +248,7 @@
"name": "columns",
"typeName": "array<hive_column>",
"cardinality": "SINGLE",
"constraintDefs": [
{
"type": "foreignKey",
"params": {
"onDelete": "update"
}
}
],
"constraintDefs": [],
"isIndexable": false,
"isOptional": true,
"isUnique": false
......
addons/models/0080-storm_model.json
......@@ -54,11 +54,7 @@
"name": "nodes",
"typeName": "array<storm_node>",
"cardinality": "LIST",
"constraintDefs": [
{
"type": "foreignKey"
}
],
"constraintDefs": [],
"isIndexable": false,
"isOptional": false,
"isUnique": false
......
intg/src/main/java/org/apache/atlas/model/typedef/AtlasStructDef.java
......@@ -470,7 +470,6 @@ public class AtlasStructDef extends AtlasBaseTypeDef implements Serializable {
public static final String CONSTRAINT_PARAM_REF_ATTRIBUTE = "refAttribute";
public static final String CONSTRAINT_PARAM_ON_DELETE = "onDelete";
public static final String CONSTRAINT_PARAM_VAL_CASCADE = "cascade";
public static final String CONSTRAINT_PARAM_VAL_UPDATE = "update";
private String type; // foreignKey/mappedFromRef/valueInRange
private Map<String, Object> params; // onDelete=cascade/refAttribute=attr2/min=0,max=23
......
intg/src/main/java/org/apache/atlas/type/AtlasEntityType.java
......@@ -20,7 +20,6 @@ package org.apache.atlas.type;
import org.apache.atlas.AtlasErrorCode;
import org.apache.atlas.exception.AtlasBaseException;
import org.apache.atlas.model.TypeCategory;
import org.apache.atlas.model.instance.AtlasEntity;
import org.apache.atlas.model.instance.AtlasObjectId;
import org.apache.atlas.model.typedef.AtlasEntityDef;
......@@ -134,7 +133,7 @@ public class AtlasEntityType extends AtlasStructType {
for (Map.Entry<String, AtlasAttribute> e : mappedFromRefAttributes.entrySet()) {
AtlasAttribute attribute = e.getValue();
if(StringUtils.equals(attribute.getStructType().getTypeName(), typeName) && StringUtils.equals(attribute.getName(), attribName)) {
if(StringUtils.equals(attribute.getDefinedInType().getTypeName(), typeName) && StringUtils.equals(attribute.getName(), attribName)) {
ret = e.getKey();
break;
......@@ -358,11 +357,11 @@ public class AtlasEntityType extends AtlasStructType {
AtlasType attribType = attribute.getAttributeType();
if (attribType.getTypeCategory() == TypeCategory.ARRAY) {
if (attribType instanceof AtlasArrayType) {
attribType = ((AtlasArrayType)attribType).getElementType();
}
if (attribType.getTypeCategory() != TypeCategory.ENTITY) {
if (!(attribType instanceof AtlasEntityType)) {
throw new AtlasBaseException(AtlasErrorCode.CONSTRAINT_NOT_SATISFIED, getTypeName(),
attribDef.getName(), CONSTRAINT_TYPE_MAPPED_FROM_REF,
attribDef.getTypeName());
......@@ -427,11 +426,23 @@ public class AtlasEntityType extends AtlasStructType {
public String toTypeName() { return fromAttribute.getTypeName(); }
public AtlasStructType fromType() { return fromAttribute.getStructType(); }
public AtlasStructType fromType() { return fromAttribute.getDefinedInType(); }
public AtlasAttribute fromAttribute() { return fromAttribute; }
public AtlasEntityType toType() { return (AtlasEntityType)fromAttribute.getAttributeType(); }
public AtlasEntityType toType() {
AtlasType attrType = fromAttribute.getAttributeType();
if (attrType instanceof AtlasArrayType) {
attrType = ((AtlasArrayType)attrType).getElementType();
}
if (attrType instanceof AtlasEntityType) {
return (AtlasEntityType)attrType;
}
return null;
}
public AtlasConstraintDef getConstraint() { return refConstraint; }
......@@ -439,10 +450,6 @@ public class AtlasEntityType extends AtlasStructType {
return StringUtils.equals(getOnDeleteAction(), CONSTRAINT_PARAM_VAL_CASCADE);
}
public boolean isOnDeleteUpdate() {
return StringUtils.equals(getOnDeleteAction(), CONSTRAINT_PARAM_VAL_UPDATE);
}
private String getOnDeleteAction() {
Map<String, Object> params = refConstraint.getParams();
......
intg/src/main/java/org/apache/atlas/type/AtlasStructType.java
......@@ -19,12 +19,12 @@ package org.apache.atlas.type;
import org.apache.atlas.AtlasErrorCode;
import org.apache.atlas.exception.AtlasBaseException;
import org.apache.atlas.model.TypeCategory;
import org.apache.atlas.model.instance.AtlasStruct;
import org.apache.atlas.model.typedef.AtlasStructDef;
import org.apache.atlas.model.typedef.AtlasStructDef.AtlasAttributeDef;
import org.apache.atlas.model.typedef.AtlasStructDef.AtlasAttributeDef.Cardinality;
import org.apache.atlas.model.typedef.AtlasStructDef.AtlasConstraintDef;
import org.apache.atlas.type.AtlasEntityType.ForeignKeyReference;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.MapUtils;
import org.apache.commons.lang.StringUtils;
......@@ -38,7 +38,6 @@ import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* class that implements behaviour of a struct-type.
*/
......@@ -109,11 +108,6 @@ public class AtlasStructType extends AtlasType {
AtlasConstraintDef.CONSTRAINT_PARAM_VAL_CASCADE);
}
public boolean isForeignKeyOnDeleteActionUpdate(String attributeName) {
return StringUtils.equals(getForeignKeyOnDeleteAction(attributeName),
AtlasConstraintDef.CONSTRAINT_PARAM_VAL_UPDATE);
}
@Override
public void resolveReferences(AtlasTypeRegistry typeRegistry) throws AtlasBaseException {
Map<String, AtlasAttribute> a = new HashMap<>();
......@@ -153,10 +147,14 @@ public class AtlasStructType extends AtlasType {
AtlasAttribute attribute = getAttribute(attributeName);
AtlasConstraintDef constraint = e.getValue();
AtlasType attributeType = attribute.getAttributeType();
AtlasType attrType = attribute.getAttributeType();
if (attrType instanceof AtlasArrayType) {
attrType = ((AtlasArrayType)attrType).getElementType();
}
if (attributeType instanceof AtlasEntityType) {
((AtlasEntityType)attributeType).addForeignKeyReference(attribute, constraint);
if (attrType instanceof AtlasEntityType) {
((AtlasEntityType)attrType).addForeignKeyReference(attribute, constraint);
}
}
}
......@@ -406,21 +404,21 @@ public class AtlasStructType extends AtlasType {
continue;
}
if (this.getTypeCategory() != TypeCategory.ENTITY) {
if (!(this instanceof AtlasEntityType)) {
throw new AtlasBaseException(AtlasErrorCode.UNSUPPORTED_CONSTRAINT,
AtlasConstraintDef.CONSTRAINT_TYPE_FOREIGN_KEY, getTypeName(), attribute.getName());
}
AtlasType attribType = attribute.getAttributeType();
AtlasType attrType = attribute.getAttributeType();
if (attribType.getTypeCategory() == TypeCategory.ARRAY) {
attribType = ((AtlasArrayType) attribType).getElementType();
if (attrType instanceof AtlasArrayType) {
attrType = ((AtlasArrayType) attrType).getElementType();
}
if (attribType.getTypeCategory() != TypeCategory.ENTITY) {
if (!(attrType instanceof AtlasEntityType)) {
throw new AtlasBaseException(AtlasErrorCode.CONSTRAINT_NOT_SATISFIED,
getTypeName(), attribute.getName(), AtlasConstraintDef.CONSTRAINT_TYPE_FOREIGN_KEY,
attribType.getTypeName());
attrType.getTypeName());
}
if (ret == null) {
......@@ -446,21 +444,21 @@ public class AtlasStructType extends AtlasType {
public static class AtlasAttribute {
private final AtlasStructType structType;
private final AtlasStructType definedInType;
private final AtlasType attributeType;
private final AtlasAttributeDef attributeDef;
private final String qualifiedName;
public AtlasAttribute(AtlasStructType structType, AtlasAttributeDef attrDef, AtlasType attributeType) {
this.structType = structType;
public AtlasAttribute(AtlasStructType definedInType, AtlasAttributeDef attrDef, AtlasType attributeType) {
this.definedInType = definedInType;
this.attributeDef = attrDef;
this.attributeType = attributeType;
this.qualifiedName = getQualifiedAttributeName(structType.getStructDef(), attributeDef.getName());
this.qualifiedName = getQualifiedAttributeName(definedInType.getStructDef(), attributeDef.getName());
}
public AtlasStructType getStructType() { return structType; }
public AtlasStructType getDefinedInType() { return definedInType; }
public AtlasStructDef getStructDef() { return structType.getStructDef(); }
public AtlasStructDef getDefinedInDef() { return definedInType.getStructDef(); }
public AtlasType getAttributeType() {
return attributeType;
......@@ -480,20 +478,73 @@ public class AtlasStructType extends AtlasType {
return qualifiedName;
}
public boolean isForeignKeyWithOnDeleteCascade() {
return definedInType.isForeignKeyOnDeleteActionCascade(getName());
}
/*
* "isContainedAttribute" can not be computed and cached in the constructor - as structType is not fully
* true - if attribute-type has foreign-key(onDelete=cascade) reference to this type
* false - in all cases
*
* "legacyIsComposite" can not be computed and cached in the constructor - as definedInType is not fully
* populated at the time AtlasAttribute object is constructed.
*/
public boolean isContainedAttribute() {
if ( structType.isForeignKeyOnDeleteActionUpdate(attributeDef.getName()) ) {
return true;
public boolean legacyIsComposite() {
boolean ret = false;
if (definedInType instanceof AtlasEntityType) {
AtlasEntityType entityType = (AtlasEntityType) definedInType;
AtlasType attrType = attributeType;
if (attrType instanceof AtlasArrayType) {
attrType = ((AtlasArrayType)attrType).getElementType();
}
if ( structType instanceof AtlasEntityType) {
return ((AtlasEntityType) structType).isMappedFromRefAttribute(attributeDef.getName());
if (attrType instanceof AtlasEntityType) {
for (ForeignKeyReference fkRef : entityType.getForeignKeyReferences()) {
if (fkRef.isOnDeleteCascade() && StringUtils.equals(fkRef.fromTypeName(), attrType.getTypeName())) {
ret = true;
break;
}
}
}
}
return false;
if (LOG.isDebugEnabled()) {
LOG.debug("*** {}.{}: isComposite={} ***", definedInType.getTypeName(), getName(), ret);
}
return ret;
}
/*
* return the name of the attribute in attribute-type that has mappedFromRef constraint on this attribute
*
* "legacyReverseAttribute" can not be computed and cached in the constructor - as definedInType is not fully
* populated at the time AtlasAttribute object is constructed.
*/
public String legacyReverseAttribute() {
String ret = null;
if (definedInType instanceof AtlasEntityType) {
AtlasType attrType = attributeType;
if (attrType instanceof AtlasArrayType) {
attrType = ((AtlasArrayType)attrType).getElementType();
}
if (attrType instanceof AtlasEntityType) {
AtlasEntityType attribEntityType = (AtlasEntityType) attrType;
ret = attribEntityType.getMappedFromRefAttribute(definedInType.getTypeName(), getName());
}
}
if (LOG.isDebugEnabled()) {
LOG.debug("*** {}.{}: reverseAttribute={} ***", definedInType.getTypeName(), getName(), ret);
}
return ret;
}
public static String getQualifiedAttributeName(AtlasStructDef structDef, String attrName) {
......
intg/src/test/java/org/apache/atlas/type/TestAtlasEntityType.java
......@@ -154,7 +154,6 @@ public class TestAtlasEntityType {
assertEquals(fkRef.fromAttributeName(), ATTR_TABLE);
assertEquals(fkRef.toTypeName(), TYPE_TABLE);
assertTrue(fkRef.isOnDeleteCascade());
assertFalse(fkRef.isOnDeleteUpdate());
assertEquals(typeTable.getForeignKeyAttributes().size(), 0);
assertEquals(typeTable.getMappedFromRefAttributes().size(), 1);
......
repository/src/main/java/org/apache/atlas/repository/store/graph/v1/AtlasStructDefStoreV1.java
......@@ -29,15 +29,17 @@ import org.apache.atlas.repository.graph.GraphHelper;
import org.apache.atlas.repository.graphdb.AtlasVertex;
import org.apache.atlas.repository.store.graph.AtlasStructDefStore;
import org.apache.atlas.repository.util.FilterUtil;
import org.apache.atlas.type.AtlasArrayType;
import org.apache.atlas.type.AtlasEntityType;
import org.apache.atlas.type.AtlasStructType;
import org.apache.atlas.type.AtlasStructType.AtlasAttribute;
import org.apache.atlas.type.AtlasType;
import org.apache.atlas.type.AtlasTypeRegistry;
import org.apache.atlas.type.AtlasTypeUtil;
import org.apache.atlas.typesystem.types.AttributeDefinition;
import org.apache.atlas.typesystem.types.AttributeInfo;
import org.apache.atlas.typesystem.types.DataTypes.TypeCategory;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang.StringUtils;
import org.codehaus.jettison.json.JSONException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
......@@ -394,7 +396,7 @@ public class AtlasStructDefStoreV1 extends AtlasAbstractDefStoreV1 implements At
for (AtlasAttributeDef attributeDef : structDef.getAttributeDefs()) {
String propertyKey = AtlasGraphUtilsV1.getTypeDefPropertyKey(structDef, attributeDef.getName());
AtlasGraphUtilsV1.setProperty(vertex, propertyKey, toJsonFromAttributeDef(attributeDef, structType));
AtlasGraphUtilsV1.setProperty(vertex, propertyKey, toJsonFromAttribute(structType.getAttribute(attributeDef.getName())));
attrNames.add(attributeDef.getName());
}
......@@ -438,7 +440,7 @@ public class AtlasStructDefStoreV1 extends AtlasAbstractDefStoreV1 implements At
String propertyKey = AtlasGraphUtilsV1.getTypeDefPropertyKey(structDef, attributeDef.getName());
AtlasGraphUtilsV1.setProperty(vertex, propertyKey, toJsonFromAttributeDef(attributeDef, structType));
AtlasGraphUtilsV1.setProperty(vertex, propertyKey, toJsonFromAttribute(structType.getAttribute(attributeDef.getName())));
}
}
......@@ -496,32 +498,10 @@ public class AtlasStructDefStoreV1 extends AtlasAbstractDefStoreV1 implements At
}
}
private static String toJsonFromAttributeDef(AtlasAttributeDef attributeDef, AtlasStructType structType) {
boolean isComposite = false;
String reverseAttribName = null;
if (structType instanceof AtlasEntityType) {
AtlasEntityType entityType = (AtlasEntityType)structType;
isComposite = entityType.isMappedFromRefAttribute(attributeDef.getName()) ||
entityType.isForeignKeyOnDeleteActionUpdate(attributeDef.getName());
}
// find the attribute in the referenced entity that has mappedFromRef to this attribute
if (structType.isForeignKeyAttribute(attributeDef.getName())) {
AtlasType attribType = structType.getAttributeType(attributeDef.getName());
if (attribType.getTypeCategory() == org.apache.atlas.model.TypeCategory.ARRAY) {
attribType = ((AtlasArrayType)attribType).getElementType();
}
if (attribType.getTypeCategory() == org.apache.atlas.model.TypeCategory.ENTITY) {
AtlasEntityType attribEntityType = (AtlasEntityType)attribType;
reverseAttribName = attribEntityType.getMappedFromRefAttribute(structType.getTypeName(),
attributeDef.getName());
}
}
private static String toJsonFromAttribute(AtlasAttribute attribute) {
AtlasAttributeDef attributeDef = attribute.getAttributeDef();
boolean isComposite = attribute.legacyIsComposite();
String reverseAttribName = attribute.legacyReverseAttribute();
Map<String, Object> attribInfo = new HashMap<>();
......@@ -531,6 +511,7 @@ public class AtlasStructDefStoreV1 extends AtlasAbstractDefStoreV1 implements At
attribInfo.put("isIndexable", attributeDef.getIsIndexable());
attribInfo.put("isComposite", isComposite);
attribInfo.put("reverseAttributeName", reverseAttribName);
attribInfo.put("isForeignKeyWithOnDeleteCascade", attribute.isForeignKeyWithOnDeleteCascade());
final int lower;
final int upper;
......@@ -572,7 +553,7 @@ public class AtlasStructDefStoreV1 extends AtlasAbstractDefStoreV1 implements At
String attrTypeName = ret.getTypeName();
if (AtlasTypeUtil.isArrayType(attrTypeName)) {
Set<String> typeNames = AtlasTypeUtil.getReferencedTypeNames(ret.getTypeName());
Set<String> typeNames = AtlasTypeUtil.getReferencedTypeNames(attrTypeName);
if (typeNames.size() > 0) {
attrTypeName = typeNames.iterator().next();
......@@ -582,51 +563,92 @@ public class AtlasStructDefStoreV1 extends AtlasAbstractDefStoreV1 implements At
if (!AtlasTypeUtil.isBuiltInType(attrTypeName)) {
AtlasVertex attributeType = typeDefStore.findTypeVertexByName(attrTypeName);
// check for isComposite/reverseAttributeName for entity types
/* determine constraints to add to this attribute
- add mappedFromRef if attribute-type has an attribute that refers to this attribute via reverseAttributeName
example: hive_table.sd referenced from hive_storagedesc.table with reverseAttributeName=sd
- add foreignKey(onDelete=cascade) if attribute-type has an attribute that refers to this struct with isComposite=true
example: hive_storagedesc referenced from hive_table.sd with isComposite=true
example: hive_column referenced from hive_table.columns with isComposite=true
*/
if (attributeType != null && typeDefStore.isTypeVertex(attributeType, TypeCategory.CLASS)) {
String reverseAttribName = (String) attribInfo.get("reverseAttributeName");
Boolean isComposite = (Boolean) attribInfo.get("isComposite");
boolean attributeTypeHasIsCompositeRef = false;
String attributeTypeRevAttribRefFrom = null;
if (StringUtils.isNotBlank(reverseAttribName) || isComposite) {
if (AtlasTypeUtil.isMapType(attrTypeName)) {
throw new AtlasBaseException(AtlasErrorCode.CONSTRAINT_NOT_SUPPORTED_ON_MAP_TYPE,
structDef.getName(), ret.getName(), attrTypeName);
}
String refAttributeName = null;
List<String> attrNames = attributeType.getProperty(
AtlasGraphUtilsV1.getTypeDefPropertyKey(attrTypeName), List.class);
List<String> attrNames = attributeType.getProperty(AtlasGraphUtilsV1.getTypeDefPropertyKey(attrTypeName), List.class);
if (CollectionUtils.isNotEmpty(attrNames)) {
for (String attrName : attrNames) {
String attribJson = attributeType.getProperty(
AtlasGraphUtilsV1.getTypeDefPropertyKey(attrTypeName, attrName), String.class);
if (StringUtils.isBlank(attribJson)) {
continue;
}
Map refAttrInfo = AtlasType.fromJson(attribJson, Map.class);
if (refAttrInfo == null) {
continue;
}
String refAttribType = (String) refAttrInfo.get("dataType");
if (AtlasTypeUtil.isArrayType(refAttribType)) {
Set<String> typeNames = AtlasTypeUtil.getReferencedTypeNames(refAttribType);
if (typeNames.size() > 0) {
refAttribType = typeNames.iterator().next();
}
}
if (!StringUtils.equals(refAttribType, structDef.getName())) {
continue;
}
if (StringUtils.isBlank(attributeTypeRevAttribRefFrom)) {
String refAttribRevAttribName = (String) refAttrInfo.get("reverseAttributeName");
if (StringUtils.equals(refAttribType, structDef.getName()) &&
StringUtils.equals(refAttribRevAttribName, ret.getName())) {
refAttributeName = (String) refAttrInfo.get("name");
if (StringUtils.equals(refAttribRevAttribName, ret.getName())) {
attributeTypeRevAttribRefFrom = (String) refAttrInfo.get("name");
}
}
if (!attributeTypeHasIsCompositeRef) {
Object val = refAttrInfo.get("isComposite");
if (val instanceof Boolean) {
attributeTypeHasIsCompositeRef = (Boolean) val;
} if (val != null) {
attributeTypeHasIsCompositeRef = Boolean.parseBoolean(val.toString());
}
}
if (StringUtils.isNotBlank(attributeTypeRevAttribRefFrom) && attributeTypeHasIsCompositeRef) {
break;
}
}
}
if (isComposite) {
if (StringUtils.isNotBlank(refAttributeName)) { // ex: hive_table.columns, hive_column.table
boolean isForeignKeyWithOnDeleteCascade = attributeTypeHasIsCompositeRef;
if (!isForeignKeyWithOnDeleteCascade) {
Object val = attribInfo.get("isForeignKeyWithOnDeleteCascade");
if (val instanceof Boolean) {
isForeignKeyWithOnDeleteCascade = (Boolean) val;
} else if (val != null) {
isForeignKeyWithOnDeleteCascade = Boolean.parseBoolean(val.toString());
}
}
if (StringUtils.isNotBlank(attributeTypeRevAttribRefFrom)) {
Map<String, Object> params = new HashMap<>();
params.put(AtlasConstraintDef.CONSTRAINT_PARAM_REF_ATTRIBUTE, refAttributeName);
params.put(AtlasConstraintDef.CONSTRAINT_PARAM_REF_ATTRIBUTE, attributeTypeRevAttribRefFrom);
ret.addConstraint(new AtlasConstraintDef(CONSTRAINT_TYPE_MAPPED_FROM_REF, params));
} else { // ex: hive_table.partitionKeys, with no reverseAttribute-reference
ret.addConstraint(new AtlasConstraintDef(CONSTRAINT_TYPE_FOREIGN_KEY));
}
}
if (StringUtils.isNotBlank(reverseAttribName)) { // ex: hive_column.table
if (isForeignKeyWithOnDeleteCascade) { // ex: hive_column.table
Map<String, Object> params = new HashMap<>();
params.put(CONSTRAINT_PARAM_ON_DELETE, CONSTRAINT_PARAM_VAL_CASCADE);
......@@ -634,7 +656,6 @@ public class AtlasStructDefStoreV1 extends AtlasAbstractDefStoreV1 implements At
}
}
}
}
Map multiplicity = AtlasType.fromJson((String) attribInfo.get("multiplicity"), Map.class);
Number minCount = (Number) multiplicity.get("lower");
......@@ -664,4 +685,18 @@ public class AtlasStructDefStoreV1 extends AtlasAbstractDefStoreV1 implements At
return ret;
}
public static AttributeDefinition toAttributeDefintion(AtlasAttribute attribute) {
AttributeDefinition ret = null;
String jsonString = toJsonFromAttribute(attribute);
try {
ret = AttributeInfo.fromJson(jsonString);
} catch (JSONException excp) {
LOG.error("failed in converting to AttributeDefinition: " + jsonString, excp);
}
return ret;
}
}
repository/src/main/java/org/apache/atlas/repository/store/graph/v1/GraphMutationContext.java
......@@ -160,11 +160,11 @@ public class GraphMutationContext {
}
public AtlasStructType getParentType() {
return attribute.getStructType();
return attribute.getDefinedInType();
}
public AtlasStructDef getStructDef() {
return attribute.getStructDef();
return attribute.getDefinedInDef();
}
public AtlasAttributeDef getAttributeDef() {
......
typesystem/src/main/java/org/apache/atlas/typesystem/types/utils/TypesUtil.java
......@@ -93,6 +93,10 @@ public class TypesUtil {
return new StructTypeDefinition(name, description, attrDefs);
}
public static StructTypeDefinition createStructTypeDef(String name, String description, String version, AttributeDefinition... attrDefs) {
return new StructTypeDefinition(name, description, version, attrDefs);
}
public static HierarchicalTypeDefinition<ClassType> createClassTypeDef(String name,
ImmutableSet<String> superTypes, AttributeDefinition... attrDefs) {
return createClassTypeDef(name, null, superTypes, attrDefs);
......
webapp/src/main/java/org/apache/atlas/util/RestUtils.java
......@@ -32,9 +32,13 @@ import org.apache.atlas.model.typedef.AtlasStructDef.AtlasAttributeDef.Cardinali
import org.apache.atlas.model.typedef.AtlasStructDef.AtlasConstraintDef;
import org.apache.atlas.model.typedef.AtlasTypeDefHeader;
import org.apache.atlas.model.typedef.AtlasTypesDef;
import org.apache.atlas.repository.store.graph.v1.AtlasStructDefStoreV1;
import org.apache.atlas.type.AtlasArrayType;
import org.apache.atlas.type.AtlasClassificationType;
import org.apache.atlas.type.AtlasEntityType;
import org.apache.atlas.type.AtlasEnumType;
import org.apache.atlas.type.AtlasStructType;
import org.apache.atlas.type.AtlasStructType.AtlasAttribute;
import org.apache.atlas.type.AtlasType;
import org.apache.atlas.type.AtlasTypeRegistry;
import org.apache.atlas.type.AtlasTypeUtil;
......@@ -72,10 +76,29 @@ public final class RestUtils {
private RestUtils() {}
private static final Logger LOG = LoggerFactory.getLogger(RestUtils.class);
public static TypesDef toTypesDef(AtlasEnumDef enumDef) {
public static TypesDef toTypesDef(AtlasType type, AtlasTypeRegistry typeRegistry) throws AtlasBaseException {
final TypesDef ret;
if (type instanceof AtlasEnumType) {
ret = RestUtils.enumToTypesDef((AtlasEnumType)type);
} else if (type instanceof AtlasEntityType) {
ret = RestUtils.entityToTypesDef((AtlasEntityType)type, typeRegistry);
} else if (type instanceof AtlasClassificationType) {
ret = RestUtils.classificationToTypesDef((AtlasClassificationType)type, typeRegistry);
} else if (type instanceof AtlasStructType) {
ret = RestUtils.structToTypesDef((AtlasStructType)type, typeRegistry);
} else {
ret = new TypesDef();
}
return ret;
}
private static TypesDef enumToTypesDef(AtlasEnumType enumType) {
TypesDef ret = null;
if (enumDef != null) {
AtlasEnumDef enumDef = enumType.getEnumDef();
String enumName = enumDef.getName();
String enumDesc = enumDef.getDescription();
String enumVersion = enumDef.getTypeVersion();
......@@ -89,31 +112,33 @@ public final class RestUtils {
ImmutableList.<HierarchicalTypeDefinition<TraitType>>of(),
ImmutableList.<HierarchicalTypeDefinition<ClassType>>of());
}
}
return ret;
}
public static TypesDef toTypesDef(AtlasStructDef structDef, AtlasTypeRegistry registry) throws AtlasBaseException {
String typeName = structDef.getName();
String typeDesc = structDef.getDescription();
AttributeDefinition[] attributes = getAttributes(structDef, registry);
StructTypeDefinition structType = TypesUtil.createStructTypeDef(typeName, typeDesc, attributes);
private static TypesDef structToTypesDef(AtlasStructType structType, AtlasTypeRegistry registry)
throws AtlasBaseException {
String typeName = structType.getStructDef().getName();
String typeDesc = structType.getStructDef().getDescription();
String typeVersion = structType.getStructDef().getTypeVersion();
AttributeDefinition[] attributes = getAttributes(structType, registry);
StructTypeDefinition structTypeDef = TypesUtil.createStructTypeDef(typeName, typeDesc, typeVersion, attributes);
TypesDef ret = TypesUtil.getTypesDef(ImmutableList.<EnumTypeDefinition>of(),
ImmutableList.of(structType),
ImmutableList.of(structTypeDef),
ImmutableList.<HierarchicalTypeDefinition<TraitType>>of(),
ImmutableList.<HierarchicalTypeDefinition<ClassType>>of());
return ret;
}
public static TypesDef toTypesDef(AtlasEntityDef entityDef, AtlasTypeRegistry registry) throws AtlasBaseException {
String typeName = entityDef.getName();
String typeDesc = entityDef.getDescription();
String typeVersion = entityDef.getTypeVersion();
ImmutableSet superTypes = ImmutableSet.copyOf(entityDef.getSuperTypes());
AttributeDefinition[] attributes = getAttributes(entityDef, registry);
private static TypesDef entityToTypesDef(AtlasEntityType entityType, AtlasTypeRegistry registry)
throws AtlasBaseException {
String typeName = entityType.getEntityDef().getName();
String typeDesc = entityType.getEntityDef().getDescription();
String typeVersion = entityType.getEntityDef().getTypeVersion();
ImmutableSet superTypes = ImmutableSet.copyOf(entityType.getEntityDef().getSuperTypes());
AttributeDefinition[] attributes = getAttributes(entityType, registry);
HierarchicalTypeDefinition<ClassType> classType = TypesUtil.createClassTypeDef(typeName, typeDesc, typeVersion,
superTypes, attributes);
......@@ -125,12 +150,13 @@ public final class RestUtils {
return ret;
}
public static TypesDef toTypesDef(AtlasClassificationDef classifDef, AtlasTypeRegistry registry) throws AtlasBaseException {
String typeName = classifDef.getName();
String typeDesc = classifDef.getDescription();
String typeVersion = classifDef.getTypeVersion();
ImmutableSet superTypes = ImmutableSet.copyOf(classifDef.getSuperTypes());
AttributeDefinition[] attributes = getAttributes(classifDef, registry);
private static TypesDef classificationToTypesDef(AtlasClassificationType classificationType,
AtlasTypeRegistry registry) throws AtlasBaseException {
String typeName = classificationType.getClassificationDef().getName();
String typeDesc = classificationType.getClassificationDef().getDescription();
String typeVersion = classificationType.getClassificationDef().getTypeVersion();
ImmutableSet superTypes = ImmutableSet.copyOf(classificationType.getClassificationDef().getSuperTypes());
AttributeDefinition[] attributes = getAttributes(classificationType, registry);
HierarchicalTypeDefinition traitType = TypesUtil.createTraitTypeDef(typeName, typeDesc, typeVersion, superTypes,
attributes);
......@@ -441,59 +467,15 @@ public final class RestUtils {
return ret;
}
private static AttributeDefinition[] getAttributes(AtlasStructDef structDef, AtlasTypeRegistry registry) throws AtlasBaseException {
private static AttributeDefinition[] getAttributes(AtlasStructType structType, AtlasTypeRegistry registry) throws AtlasBaseException {
List<AttributeDefinition> ret = new ArrayList<>();
List<AtlasAttributeDef> attrDefs = structDef.getAttributeDefs();
List<AtlasAttributeDef> attrDefs = structType.getStructDef().getAttributeDefs();
if (CollectionUtils.isNotEmpty(attrDefs)) {
for (AtlasAttributeDef attrDef : attrDefs) {
String name = attrDef.getName();
String dataTypeName = attrDef.getTypeName();
Boolean isUnique = attrDef.getIsUnique();
Boolean isIndexable = attrDef.getIsIndexable();
String reverseAttribName = null;
boolean isComposite;
// Multiplicity mapping
final int lower;
final int upper;
if (attrDef.getCardinality() == Cardinality.SINGLE) {
lower = attrDef.getIsOptional() ? 0 : 1;
upper = 1;
} else {
if(attrDef.getIsOptional()) {
lower = 0;
} else {
lower = attrDef.getValuesMinCount() < 1 ? 1 : attrDef.getValuesMinCount();
}
upper = attrDef.getValuesMaxCount() < 2 ? Integer.MAX_VALUE : attrDef.getValuesMaxCount();
}
AtlasAttribute attribute = structType.getAttribute(attrDef.getName());
Multiplicity multiplicity = new Multiplicity(lower, upper, Cardinality.SET.equals(attrDef.getCardinality()));
// Constraint checks:
// 1. [ mappedFromRef -> isComposite ]
// 2. [ foreignKey(onDelete=cascade) -> reverseAttribute ]
AtlasStructType structType = (AtlasStructType) registry.getType(structDef.getName());
boolean isForeignKey = structType.isForeignKeyAttribute(attrDef.getName());
boolean isMappedFromRef = (structType instanceof AtlasEntityType) && ((AtlasEntityType)structType).isMappedFromRefAttribute(attrDef.getName());
AtlasType attrType = structType.getAttributeType(attrDef.getName());
if (attrType != null && isForeignKey) {
if (attrType.getTypeCategory() == TypeCategory.ARRAY) {
attrType = ((AtlasArrayType) attrType).getElementType();
}
if (attrType.getTypeCategory() == TypeCategory.ENTITY) {
reverseAttribName = ((AtlasEntityType) attrType).
getMappedFromRefAttribute(structType.getTypeName(), attrDef.getName());
}
}
isComposite = isMappedFromRef || (isForeignKey && StringUtils.isBlank(reverseAttribName));
ret.add(new AttributeDefinition(name, dataTypeName, multiplicity, isComposite, isUnique, isIndexable, reverseAttribName));
ret.add(AtlasStructDefStoreV1.toAttributeDefintion(attribute));
}
}
......
webapp/src/main/java/org/apache/atlas/web/adapters/AtlasStructFormatConverter.java
......@@ -136,7 +136,7 @@ public class AtlasStructFormatConverter extends AtlasAbstractFormatConverter {
Object v1Value = null;
AtlasFormatConverter attrConverter = null;
if (attrType.getTypeCategory() == TypeCategory.ENTITY && !attr.isContainedAttribute()) {
if (attrType.getTypeCategory() == TypeCategory.ENTITY && !attr.legacyIsComposite()) {
attrConverter = new AtlasObjectIdConverter(converterRegistry, typeRegistry);
v1Value = attrConverter.fromV2ToV1(v2Value, attrType, context);
} else {
......
webapp/src/main/java/org/apache/atlas/web/resources/TypesResource.java
......@@ -21,17 +21,10 @@ package org.apache.atlas.web.resources;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.core.ResourceContext;
import org.apache.atlas.AtlasClient;
import org.apache.atlas.AtlasException;
import org.apache.atlas.exception.AtlasBaseException;
import org.apache.atlas.model.TypeCategory;
import org.apache.atlas.model.typedef.AtlasClassificationDef;
import org.apache.atlas.model.typedef.AtlasEntityDef;
import org.apache.atlas.model.typedef.AtlasEnumDef;
import org.apache.atlas.model.typedef.AtlasStructDef;
import org.apache.atlas.model.typedef.AtlasTypesDef;
import org.apache.atlas.type.AtlasTypeRegistry;
import org.apache.atlas.typesystem.TypesDef;
import org.apache.atlas.typesystem.exception.TypeExistsException;
import org.apache.atlas.typesystem.json.TypesSerialization;
import org.apache.atlas.util.RestUtils;
import org.apache.atlas.utils.AtlasPerfTracer;
......@@ -231,38 +224,12 @@ public class TypesResource {
perf = AtlasPerfTracer.getPerfTracer(PERF_LOG, "TypesResource.getDefinition(" + typeName + ")");
}
TypesREST typesRest = resourceContext.getResource(TypesREST.class);
JSONObject response = new JSONObject();
try {
TypeCategory typeCategory = typeRegistry.getType(typeName).getTypeCategory();
TypesDef typesDef = null;
if (typeCategory != null) {
switch (typeCategory) {
case ENUM:
AtlasEnumDef enumDef = typesRest.getEnumDefByName(typeName);
typesDef = RestUtils.toTypesDef(enumDef);
break;
case STRUCT:
AtlasStructDef structDef = typesRest.getStructDefByName(typeName);
typesDef = RestUtils.toTypesDef(structDef, typeRegistry);
break;
case ENTITY:
AtlasEntityDef entityDef = typesRest.getEntityDefByName(typeName);
typesDef = RestUtils.toTypesDef(entityDef, typeRegistry);
break;
case CLASSIFICATION:
AtlasClassificationDef classificationDef = typesRest.getClassificationDefByName(typeName);
typesDef = RestUtils.toTypesDef(classificationDef, typeRegistry);
break;
default:
typesDef = new TypesDef();
break;
}
}
TypesDef typesDef = RestUtils.toTypesDef(typeRegistry.getType(typeName), typeRegistry);;
String typeDefinition = TypesSerialization.toJson(typesDef);
final String typeDefinition = TypesSerialization.toJson(typesDef);
response.put(AtlasClient.TYPENAME, typeName);
response.put(AtlasClient.DEFINITION, new JSONObject(typeDefinition));
response.put(AtlasClient.REQUEST_ID, Servlets.getRequestId());
......
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