@Override
public String evaluate(String script) {
if (script.trim().equals("")) {
return "";
}
try {
Query query = CypherParser.parseConsole(script);
ExecutionResult result = engine.execute(query);
return result.toString();
} catch (SyntaxException error) {
return error.getMessage();
} catch (Exception exception) {
log.error(exception);
return "Error: " + exception.getClass().getSimpleName() + " - " + exception.getMessage();
}
}
@Test
public void find_john_has_seen() {
ExecutionEngine engine = new ExecutionEngine(graphDb);
String cql =
"start user=node:users(name = \"John Johnson\")"
+ "match (user)-[:HAS_SEEN]->(movie)"
+ "return movie;";
ExecutionResult result = engine.execute(cql);
logger.info("Execution result:" + result.toString());
for (Map<String, Object> row : result) {
logger.info("Row:" + row);
}
List<String> columns = result.columns();
for (String column : columns) {
logger.info("Column:" + column);
Iterator<Object> columnValues = result.columnAs(column);
while (columnValues.hasNext()) {
logger.info("Value:" + columnValues.next());
}
}
}
