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Diffstat (limited to 'search-data-service-app/src/main/java/org/onap/aai/sa/searchdbabstraction/searchapi/ParsedQuery.java')
-rw-r--r-- | search-data-service-app/src/main/java/org/onap/aai/sa/searchdbabstraction/searchapi/ParsedQuery.java | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/search-data-service-app/src/main/java/org/onap/aai/sa/searchdbabstraction/searchapi/ParsedQuery.java b/search-data-service-app/src/main/java/org/onap/aai/sa/searchdbabstraction/searchapi/ParsedQuery.java new file mode 100644 index 0000000..19bc250 --- /dev/null +++ b/search-data-service-app/src/main/java/org/onap/aai/sa/searchdbabstraction/searchapi/ParsedQuery.java @@ -0,0 +1,120 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved. + * Copyright © 2017-2018 Amdocs + * ================================================================================ + * 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========================================================= + */ +package org.onap.aai.sa.searchdbabstraction.searchapi; + +import com.fasterxml.jackson.annotation.JsonProperty; + +/** + * This class represents a simple parsed query statement. + * + * <p> + * A 'parsed query' specifies a document field to inspect and a query string which will be parsed by the document store + * to generate the exact query to be performed. + * + * <p> + * The query string will be tokenized into 'terms' and 'operators' where: + * + * <p> + * Terms may be any of the following: + * <ul> + * <li>single words</li> + * <li>exact phrases (denoted by surrounding the phrase with '"' characters)</li> + * <li>regular expressions (denoted by surrounding the phrase with '/' characters)</li> + * </ul> + * + * <p> + * Operators may be any of the following: + * <ul> + * <li>+ -- The term to the right of the operator MUST be present to produce a match.</li> + * <li>- -- The term to the right of the operator MUST NOT be present to produce a match.</li> + * <li>AND -- Both the terms to the left and right of the operator MUST be present to produce a match.</li> + * <li>OR -- Either the term to the left or right of the operator MUST be present to produce a match.</li> + * <li>NOT -- The term to the right of the operator MUST NOT be present to produce a match.</li> + * </ul> + * + * <p> + * The expected JSON structure for a parsed query is as follows: + * + * <pre> + * { + * "parsed-query": { + * "field": "fieldname", + * "query-string": "string" + * } + * } + * </pre> + */ +public class ParsedQuery { + + /** + * The name of the field which the query is to be applied to. + */ + private String field; + + /** + * The string to be parsed to generate the full query. + */ + @JsonProperty("query-string") + private String queryString; + + + public String getField() { + return field; + } + + public void setField(String field) { + this.field = field; + } + + public String getQueryString() { + return queryString; + } + + public void setQueryString(String queryString) { + this.queryString = queryString; + } + + + /** + * This method returns a string which represents this query in syntax that is understandable by ElasticSearch and is + * suitable for inclusion in an ElasticSearch query string. + * + * @return - ElasticSearch syntax string. + */ + public String toElasticSearch() { + + StringBuilder sb = new StringBuilder(); + + sb.append("{"); + sb.append("\"query_string\": {"); + sb.append("\"default_field\": \"").append(field).append("\", "); + sb.append("\"query\": \"").append(queryString).append("\""); + sb.append("}"); + sb.append("}"); + + return sb.toString(); + } + + @Override + public String toString() { + return "{field:" + field + ", query-string: '" + queryString + "'}"; + } +} |