| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.atlas.type; |
| |
| import org.apache.atlas.AtlasErrorCode; |
| import org.apache.atlas.exception.AtlasBaseException; |
| import org.apache.atlas.model.instance.AtlasStruct; |
| import org.apache.atlas.model.typedef.AtlasBusinessMetadataDef; |
| import org.apache.atlas.model.typedef.AtlasStructDef.AtlasAttributeDef; |
| import org.apache.commons.collections.CollectionUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.lang.reflect.Array; |
| import java.util.*; |
| |
| import static org.apache.atlas.model.typedef.AtlasBusinessMetadataDef.*; |
| |
| |
| public class AtlasBusinessMetadataType extends AtlasStructType { |
| private static final Logger LOG = LoggerFactory.getLogger(AtlasBusinessMetadataType.class); |
| |
| private final AtlasBusinessMetadataDef businessMetadataDef; |
| |
| |
| public AtlasBusinessMetadataType(AtlasBusinessMetadataDef businessMetadataDef) { |
| super(businessMetadataDef); |
| |
| this.businessMetadataDef = businessMetadataDef; |
| } |
| |
| @Override |
| public boolean isValidValue(Object o) { |
| return true; // there is no runtime instance for businessMetadataDef, so return true |
| } |
| |
| @Override |
| public AtlasStruct createDefaultValue() { |
| return null; // there is no runtime instance for businessMetadataDef, so return null |
| } |
| |
| @Override |
| public Object getNormalizedValue(Object a) { |
| return null; // there is no runtime instance for businessMetadataDef, so return null |
| } |
| |
| public AtlasBusinessMetadataDef getBusinessMetadataDef() { |
| return businessMetadataDef; |
| } |
| |
| @Override |
| void resolveReferences(AtlasTypeRegistry typeRegistry) throws AtlasBaseException { |
| super.resolveReferences(typeRegistry); |
| |
| Map<String, AtlasBusinessAttribute> a = new HashMap<>(); |
| |
| for (AtlasAttribute attribute : super.allAttributes.values()) { |
| AtlasAttributeDef attributeDef = attribute.getAttributeDef(); |
| String attrName = attribute.getName(); |
| AtlasType attrType = attribute.getAttributeType(); |
| |
| if (attrType instanceof AtlasArrayType) { |
| attrType = ((AtlasArrayType) attrType).getElementType(); |
| } else if (attrType instanceof AtlasMapType) { |
| attrType = ((AtlasMapType) attrType).getValueType(); |
| } |
| |
| // check if attribute type is not struct/classification/entity/business-metadata |
| if (attrType instanceof AtlasStructType) { |
| throw new AtlasBaseException(AtlasErrorCode.BUSINESS_METADATA_DEF_ATTRIBUTE_TYPE_INVALID, getTypeName(), attrName); |
| } |
| |
| Set<String> entityTypeNames = attribute.getOptionSet(ATTR_OPTION_APPLICABLE_ENTITY_TYPES); |
| Set<AtlasEntityType> entityTypes = new HashSet<>(); |
| |
| if (CollectionUtils.isNotEmpty(entityTypeNames)) { |
| for (String entityTypeName : entityTypeNames) { |
| AtlasEntityType entityType = typeRegistry.getEntityTypeByName(entityTypeName); |
| |
| if (entityType == null) { |
| throw new AtlasBaseException(AtlasErrorCode.TYPE_NAME_NOT_FOUND, entityTypeName); |
| } |
| |
| entityTypes.add(entityType); |
| } |
| } |
| |
| AtlasBusinessAttribute bmAttribute; |
| if (attrType instanceof AtlasBuiltInTypes.AtlasStringType) { |
| Integer maxStringLength = attribute.getOptionInt(ATTR_MAX_STRING_LENGTH); |
| if (maxStringLength == null) { |
| throw new AtlasBaseException(AtlasErrorCode.MISSING_MANDATORY_ATTRIBUTE, attributeDef.getName(), "options." + ATTR_MAX_STRING_LENGTH); |
| } |
| |
| String validPattern = attribute.getOptionString(ATTR_VALID_PATTERN); |
| bmAttribute = new AtlasBusinessAttribute(attribute, entityTypes, maxStringLength, validPattern); |
| } else { |
| bmAttribute = new AtlasBusinessAttribute(attribute, entityTypes); |
| } |
| |
| a.put(attrName, bmAttribute); |
| } |
| |
| super.allAttributes = Collections.unmodifiableMap(a); |
| } |
| |
| @Override |
| void resolveReferencesPhase2(AtlasTypeRegistry typeRegistry) throws AtlasBaseException { |
| super.resolveReferencesPhase2(typeRegistry); |
| |
| for (AtlasAttribute attribute : super.allAttributes.values()) { |
| AtlasBusinessAttribute bmAttribute = (AtlasBusinessAttribute) attribute; |
| Set<AtlasEntityType> entityTypes = bmAttribute.getApplicableEntityTypes(); |
| |
| if (CollectionUtils.isNotEmpty(entityTypes)) { |
| for (AtlasEntityType entityType : entityTypes) { |
| entityType.addBusinessAttribute(bmAttribute); |
| } |
| } |
| } |
| } |
| |
| public static class AtlasBusinessAttribute extends AtlasAttribute { |
| private final Set<AtlasEntityType> applicableEntityTypes; |
| private final int maxStringLength; |
| private final String validPattern; |
| |
| public AtlasBusinessAttribute(AtlasAttribute attribute, Set<AtlasEntityType> applicableEntityTypes) { |
| super(attribute); |
| |
| this.maxStringLength = 0; |
| this.validPattern = null; |
| this.applicableEntityTypes = applicableEntityTypes; |
| } |
| |
| public AtlasBusinessAttribute(AtlasAttribute attribute, Set<AtlasEntityType> applicableEntityTypes, int maxStringLength, String validPattern) { |
| super(attribute); |
| |
| this.maxStringLength = maxStringLength; |
| this.validPattern = validPattern; |
| this.applicableEntityTypes = applicableEntityTypes; |
| } |
| |
| @Override |
| public AtlasBusinessMetadataType getDefinedInType() { |
| return (AtlasBusinessMetadataType) super.getDefinedInType(); |
| } |
| |
| public Set<AtlasEntityType> getApplicableEntityTypes() { |
| return applicableEntityTypes; |
| } |
| |
| public String getValidPattern() { |
| return validPattern; |
| } |
| |
| public int getMaxStringLength() { |
| return maxStringLength; |
| } |
| |
| public boolean isValidLength(Object value) { |
| boolean ret = true; |
| if (value != null) { |
| AtlasType attrType = getAttributeType(); |
| |
| if (attrType instanceof AtlasBuiltInTypes.AtlasStringType) { |
| ret = isValidStringValue(value); |
| } else if (attrType instanceof AtlasArrayType) { |
| attrType = ((AtlasArrayType) attrType).getElementType(); |
| if (attrType instanceof AtlasBuiltInTypes.AtlasStringType) { |
| ret = isValidArrayValue(value); |
| } |
| } |
| } |
| return ret; |
| } |
| |
| private boolean isValidStringValue(Object obj) { |
| return obj == null || String.valueOf(obj).length() <= this.maxStringLength; |
| } |
| |
| private boolean isValidArrayValue(Object obj) { |
| if (obj instanceof List || obj instanceof Set) { |
| Collection objList = (Collection) obj; |
| |
| for (Object element : objList) { |
| if (!isValidStringValue(element)) { |
| return false; |
| } |
| } |
| } else if (obj.getClass().isArray()) { |
| int arrayLen = Array.getLength(obj); |
| for (int i = 0; i < arrayLen; i++) { |
| if (!isValidStringValue(Array.get(obj, i))) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| } |
| } |