/**
* Parses a rule from the given column. Used by the Tree class when scanning a row for rules.
*
* @param column The column to parse
* @return A valid TreeRule object if parsed successfully
* @throws IllegalArgumentException if the column was empty
* @throws JSONException if the object could not be serialized
*/
public static TreeRule parseFromStorage(final KeyValue column) {
if (column.value() == null) {
throw new IllegalArgumentException("Tree rule column value was null");
}
final TreeRule rule = JSON.parseToObject(column.value(), TreeRule.class);
rule.initializeChangedMap();
return rule;
}
@Test
public void deserialize() throws Exception {
String json =
"{\"tsuid\":\"ABCD\",\""
+ "description\":\"Description\",\"notes\":\"Notes\",\"created\":1328140800,"
+ "\"custom\":null,\"units\":\"\",\"retention\":42,\"max\":1.0,\"min\":"
+ "\"NaN\",\"displayName\":\"Display\",\"dataType\":\"Data\",\"lastReceived"
+ "\":1328140801,\"unknownkey\":null}";
TSMeta tsmeta = JSON.parseToObject(json, TSMeta.class);
assertNotNull(tsmeta);
assertEquals("ABCD", tsmeta.getTSUID());
assertEquals("Notes", tsmeta.getNotes());
assertEquals(42, tsmeta.getRetention());
}
