| /** |
| * 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.utils; |
| |
| |
| import org.apache.atlas.model.instance.AtlasObjectId; |
| import org.apache.atlas.model.instance.AtlasRelatedObjectId; |
| import org.apache.commons.collections.CollectionUtils; |
| import org.apache.commons.collections.MapUtils; |
| import org.apache.commons.lang.StringUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| |
| public class AtlasEntityUtil { |
| private static final Logger LOG = LoggerFactory.getLogger(AtlasEntityUtil.class); |
| |
| private static final String SOFT_REFERENCE_FORMAT_SEPERATOR = ":"; |
| private static final String SOFT_REF_FORMAT = "%s" + SOFT_REFERENCE_FORMAT_SEPERATOR + "%s"; |
| private static final int SOFT_REFERENCE_FORMAT_INDEX_TYPE_NAME = 0; |
| private static final int SOFT_REFERENCE_FORMAT_INDEX_GUID = 1; |
| |
| |
| public static String formatSoftRefValue(String typeName, String guid) { |
| return String.format(SOFT_REF_FORMAT, typeName, guid); |
| } |
| |
| public static String formatSoftRefValue(AtlasObjectId objectId) { |
| return formatSoftRefValue(objectId.getTypeName(), objectId.getGuid()); |
| } |
| |
| public static List<String> formatSoftRefValue(List<AtlasObjectId> objIds) { |
| List<String> ret = new ArrayList<>(); |
| |
| for (AtlasObjectId objId : objIds) { |
| ret.add(formatSoftRefValue(objId)); |
| } |
| |
| return ret; |
| } |
| |
| public static Map<String, String> formatSoftRefValue(Map<String, AtlasObjectId> objIdMap) { |
| Map<String, String> ret = new HashMap<>(); |
| |
| for (Map.Entry<String, AtlasObjectId> entry : objIdMap.entrySet()) { |
| ret.put(entry.getKey(), formatSoftRefValue(entry.getValue())); |
| } |
| |
| return ret; |
| } |
| |
| public static AtlasObjectId parseSoftRefValue(String softRefValue) { |
| AtlasObjectId ret = null; |
| |
| if (StringUtils.isNotEmpty(softRefValue)) { |
| String[] objectIdParts = StringUtils.split(softRefValue, SOFT_REFERENCE_FORMAT_SEPERATOR); |
| |
| if(objectIdParts.length >= 2) { |
| ret = new AtlasObjectId(objectIdParts[SOFT_REFERENCE_FORMAT_INDEX_GUID], objectIdParts[SOFT_REFERENCE_FORMAT_INDEX_TYPE_NAME]); |
| } else { |
| LOG.warn("Invalid soft-ref value: {}", softRefValue); |
| } |
| } |
| |
| return ret; |
| } |
| |
| public static List<AtlasObjectId> parseSoftRefValue(List<String> softRefValue) { |
| List<AtlasObjectId> ret = null; |
| |
| if (CollectionUtils.isNotEmpty(softRefValue)) { |
| ret = new ArrayList<>(); |
| |
| for (String elemValue : softRefValue) { |
| AtlasObjectId objId = parseSoftRefValue(elemValue); |
| |
| if (objId != null) { |
| ret.add(objId); |
| } |
| } |
| } |
| |
| return ret; |
| } |
| |
| public static Map<String, AtlasObjectId> parseSoftRefValue(Map<String, String> softRefValue) { |
| Map<String, AtlasObjectId> ret = null; |
| |
| if (MapUtils.isNotEmpty(softRefValue)) { |
| ret = new HashMap<>(); |
| |
| for (Map.Entry<String, String> entry : softRefValue.entrySet()) { |
| AtlasObjectId objId = parseSoftRefValue(entry.getValue()); |
| |
| if (objId != null) { |
| ret.put(entry.getKey(), objId); |
| } |
| } |
| } |
| |
| return ret; |
| } |
| |
| public static String getRelationshipType(Object val) { |
| final String ret; |
| |
| if (val instanceof AtlasRelatedObjectId) { |
| ret = ((AtlasRelatedObjectId) val).getRelationshipType(); |
| } else if (val instanceof Collection) { |
| String elemRelationshipType = null; |
| |
| for (Object elem : (Collection) val) { |
| elemRelationshipType = getRelationshipType(elem); |
| |
| if (elemRelationshipType != null) { |
| break; |
| } |
| } |
| |
| ret = elemRelationshipType; |
| } else if (val instanceof Map) { |
| Map mapValue = (Map) val; |
| |
| if (mapValue.containsKey(AtlasRelatedObjectId.KEY_RELATIONSHIP_TYPE)) { |
| Object relTypeName = ((Map) val).get(AtlasRelatedObjectId.KEY_RELATIONSHIP_TYPE); |
| |
| ret = relTypeName != null ? relTypeName.toString() : null; |
| } else { |
| String entryRelationshipType = null; |
| |
| for (Object entryVal : mapValue.values()) { |
| entryRelationshipType = getRelationshipType(entryVal); |
| |
| if (entryRelationshipType != null) { |
| break; |
| } |
| } |
| |
| ret = entryRelationshipType; |
| } |
| } else { |
| ret = null; |
| } |
| |
| return ret; |
| } |
| |
| } |