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Diffstat (limited to 'src/main/java/org/openecomp/sparky/inventory/EntityHistoryQueryBuilder.java')
-rw-r--r-- | src/main/java/org/openecomp/sparky/inventory/EntityHistoryQueryBuilder.java | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/main/java/org/openecomp/sparky/inventory/EntityHistoryQueryBuilder.java b/src/main/java/org/openecomp/sparky/inventory/EntityHistoryQueryBuilder.java new file mode 100644 index 0000000..534af4a --- /dev/null +++ b/src/main/java/org/openecomp/sparky/inventory/EntityHistoryQueryBuilder.java @@ -0,0 +1,144 @@ +/** + * ============LICENSE_START=================================================== + * SPARKY (AAI UI service) + * ============================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ============================================================================ + * Licensed 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. + * ============LICENSE_END===================================================== + * + * ECOMP and OpenECOMP are trademarks + * and service marks of AT&T Intellectual Property. + */ + +package org.openecomp.sparky.inventory; + +import javax.json.Json; +import javax.json.JsonArray; +import javax.json.JsonArrayBuilder; +import javax.json.JsonObject; +import javax.json.JsonObjectBuilder; + +/** + * The Class EntityHistoryQueryBuilder. + */ +public class EntityHistoryQueryBuilder { + + private static final String TABLE = "table"; + private static final String GRAPH = "graph"; + + /** + * Gets the query. + * + * @param type the type + * @return the query + */ + public static JsonObject getQuery(String type) { + if (type.equalsIgnoreCase(TABLE)) { + return createTableQuery(); + } else if (type.equalsIgnoreCase(GRAPH)) { + return createGraphQuery(); + } else { + return null; + } + } + + /** + * Creates the graph query. + * + * @return the json object + */ + public static JsonObject createGraphQuery() { + JsonObjectBuilder jsonBuilder = Json.createObjectBuilder(); + + jsonBuilder.add("aggs", + Json.createObjectBuilder().add("group_by_entityType", + Json.createObjectBuilder() + .add("terms", Json.createObjectBuilder().add("field", "entityType").add("size", 0)) + .add("aggs", Json.createObjectBuilder().add("group_by_date", + Json.createObjectBuilder().add("date_histogram", createDateHistogram()) + .add("aggs", Json.createObjectBuilder().add("sort_by_date", + Json.createObjectBuilder().add("top_hits", createTopHitsBlob()))))))); + jsonBuilder.add("size", 0); + + return jsonBuilder.build(); + } + + /** + * Creates the table query. + * + * @return the json object + */ + public static JsonObject createTableQuery() { + JsonObjectBuilder jsonBuilder = Json.createObjectBuilder(); + + jsonBuilder.add("aggs", + Json.createObjectBuilder().add("group_by_entityType", + Json.createObjectBuilder() + .add("terms", Json.createObjectBuilder().add("field", "entityType").add("size", 0)) + .add("aggs", Json.createObjectBuilder().add("sort_by_date", + Json.createObjectBuilder().add("top_hits", createTopHitsBlob()))))); + jsonBuilder.add("size", 0); + + return jsonBuilder.build(); + } + + /** + * Creates the date histogram. + * + * @return the json object + */ + private static JsonObject createDateHistogram() { + JsonObjectBuilder jsonBuilder = Json.createObjectBuilder(); + + jsonBuilder.add("field", "timestamp"); + jsonBuilder.add("min_doc_count", 1); + jsonBuilder.add("interval", "day"); + jsonBuilder.add("format", "epoch_millis"); + + return jsonBuilder.build(); + } + + /** + * Creates the top hits blob. + * + * @return the json object + */ + private static JsonObject createTopHitsBlob() { + JsonObjectBuilder builder = Json.createObjectBuilder(); + builder.add("size", 1); + builder.add("sort", getSortCriteria()); + return builder.build(); + } + + public static JsonArray getSortCriteria() { + JsonArrayBuilder jsonBuilder = Json.createArrayBuilder(); + jsonBuilder.add(Json.createObjectBuilder().add("timestamp", + Json.createObjectBuilder().add("order", "desc"))); + + return jsonBuilder.build(); + } + + /** + * The main method. + * + * @param args the arguments + */ + public static void main(String[] args) { + System.out.println("TABLE-QUERY: " + createTableQuery().toString()); + System.out.println("GRAPH_QUERY: " + createGraphQuery().toString()); + } + +} |