/**
* Apply the filters to a replication event (at transaction).
*
* <p>The returned list of TransactionMatchResult objects should be walked and any messages from
* each match result should be handled appropriately.
*
* @param event The Event to apply the filters to.
* @return A list of TransactionMatchResult objects.
*/
public List<TransactionMatchResultAccumulator> apply(ReplDBMSEvent event) {
List<TransactionMatchResultAccumulator> results =
new ArrayList<TransactionMatchResultAccumulator>();
for (TransactionFilter tf : this.transaction_filters) {
results.add(tf.match(event));
}
return results;
}
/**
* Load the filter rules from a JSON-formatted string.
*
* @param rules_json JSON formatted string of the filter rules.
* @throws PKPublishFilterException
* @throws IOException
* @throws JsonFilterException
* @throws JsonProcessingException
*/
public void loadRules(String rules_json) throws IOException, JsonFilterException {
try {
JsonNode rules_jn = new ObjectMapper().readTree(rules_json);
confirmNodeType(rules_jn, JsonNodeType.OBJECT, "TransactionRules", logger);
JsonNode transaction_filters_jn = fetchChildByName(rules_jn, "transaction_filters", "array");
for (JsonNode tfilter_jn : transaction_filters_jn) {
confirmNodeType(tfilter_jn, JsonNodeType.OBJECT, "TransactionFilter", logger);
TransactionFilter tfilter = TransactionFilter.newFromJson(tfilter_jn);
this.transaction_filters.add(tfilter);
logger.debug("Added Transaction filter");
}
} catch (JsonProcessingException e) {
throw new JsonFilterException(e);
}
}