/**
* Parse a set of {@link ContextQuery} according to a given mapping
*
* @param mappings List of mapping defined y the suggest field
* @param parser parser holding the settings of the queries. The parsers current token is
* assumed hold an array. The number of elements in this array must match the number of
* elements in the mappings.
* @return List of context queries
* @throws IOException if something unexpected happened on the underlying stream
* @throws ElasticsearchParseException if the list of queries could not be parsed
*/
public static List<ContextQuery> parseQueries(
Map<String, ContextMapping> mappings, XContentParser parser)
throws IOException, ElasticsearchParseException {
Map<String, ContextQuery> querySet = new HashMap<>();
Token token = parser.currentToken();
if (token == Token.START_OBJECT) {
while ((token = parser.nextToken()) != Token.END_OBJECT) {
String name = parser.text();
ContextMapping mapping = mappings.get(name);
if (mapping == null) {
throw new ElasticsearchParseException("no mapping defined for [" + name + "]");
}
parser.nextToken();
querySet.put(name, mapping.parseQuery(name, parser));
}
}
List<ContextQuery> queries = Lists.newArrayListWithExpectedSize(mappings.size());
for (ContextMapping mapping : mappings.values()) {
queries.add(querySet.get(mapping.name));
}
return queries;
}
