| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.discovery; |
| |
| import static org.apache.atlas.discovery.SearchContext.MATCH_ALL_NOT_CLASSIFIED; |
| import static org.apache.atlas.discovery.SearchProcessor.INDEX_SEARCH_PREFIX; |
| import static org.apache.atlas.repository.Constants.CLASSIFICATION_NAMES_KEY; |
| import static org.apache.atlas.repository.Constants.PROPAGATED_CLASSIFICATION_NAMES_KEY; |
| import static org.apache.atlas.repository.Constants.STATE_PROPERTY_KEY; |
| |
| import org.apache.atlas.repository.Constants; |
| import org.apache.atlas.type.AtlasStructType; |
| import org.apache.commons.collections.CollectionUtils; |
| import org.apache.commons.lang3.StringUtils; |
| |
| public class GraphIndexQueryBuilder { |
| SearchContext context; |
| |
| GraphIndexQueryBuilder(SearchContext context) { |
| this.context = context; |
| } |
| |
| void addClassificationTypeFilter(StringBuilder indexQuery) { |
| if (indexQuery != null && CollectionUtils.isNotEmpty(context.getClassificationNames())) { |
| String classificationNames = AtlasStructType.AtlasAttribute.escapeIndexQueryValue(context.getClassificationNames(), true); |
| if (indexQuery.length() != 0) { |
| indexQuery.append(" AND "); |
| } |
| |
| indexQuery.append("(").append(INDEX_SEARCH_PREFIX).append('\"').append(CLASSIFICATION_NAMES_KEY).append('\"').append(':').append(classificationNames) |
| .append(" OR ").append(INDEX_SEARCH_PREFIX).append('\"').append(PROPAGATED_CLASSIFICATION_NAMES_KEY) |
| .append('\"').append(':').append(classificationNames).append(")"); |
| } |
| } |
| |
| void addClassificationAndSubTypesQueryFilter(StringBuilder indexQuery) { |
| if (indexQuery != null && CollectionUtils.isNotEmpty(context.getClassificationTypes())) { |
| String classificationTypesQryStr = context.getClassificationTypesQryStr(); |
| |
| if (indexQuery.length() != 0) { |
| indexQuery.append(" AND "); |
| } |
| |
| indexQuery.append("(").append(INDEX_SEARCH_PREFIX).append("\"").append(CLASSIFICATION_NAMES_KEY) |
| .append("\"").append(":" + classificationTypesQryStr).append(" OR ").append(INDEX_SEARCH_PREFIX) |
| .append("\"").append(PROPAGATED_CLASSIFICATION_NAMES_KEY).append("\"").append(":" + classificationTypesQryStr).append(")"); |
| } |
| } |
| |
| void addClassificationFilterForBuiltInTypes(StringBuilder indexQuery) { |
| if (indexQuery != null && CollectionUtils.isNotEmpty(context.getClassificationTypes())) { |
| if (context.getClassificationTypes().iterator().next() == MATCH_ALL_NOT_CLASSIFIED) { |
| if (indexQuery.length() != 0) { |
| indexQuery.append(" AND "); |
| } |
| indexQuery.append("( *:* ").append("-").append(INDEX_SEARCH_PREFIX).append("\"").append(CLASSIFICATION_NAMES_KEY) |
| .append("\"").append(":" + "[* TO *]").append(" AND ").append("-") |
| .append(INDEX_SEARCH_PREFIX).append("\"").append(PROPAGATED_CLASSIFICATION_NAMES_KEY) |
| .append("\"").append(":" + "[* TO *]").append(")"); |
| } |
| } |
| } |
| |
| void addActiveStateQueryFilter(StringBuilder indexQuery){ |
| if (context.getSearchParameters().getExcludeDeletedEntities() && indexQuery != null) { |
| if (indexQuery.length() != 0) { |
| indexQuery.append(" AND "); |
| } |
| indexQuery.append("(").append(INDEX_SEARCH_PREFIX).append("\"").append(STATE_PROPERTY_KEY) |
| .append("\"").append(":" + "ACTIVE").append(")"); |
| } |
| } |
| |
| void addTypeAndSubTypesQueryFilter(StringBuilder indexQuery, String typeAndAllSubTypesQryStr) { |
| if (indexQuery != null && StringUtils.isNotEmpty(typeAndAllSubTypesQryStr)) { |
| if (indexQuery.length() > 0) { |
| indexQuery.append(" AND "); |
| } |
| |
| indexQuery.append("(").append(INDEX_SEARCH_PREFIX + "\"").append(Constants.TYPE_NAME_PROPERTY_KEY) |
| .append("\":").append(typeAndAllSubTypesQryStr).append(")"); |
| } |
| } |
| } |