@Transient
private static final EELFLogger logger = EELFManager.getInstance().getLogger(PolicyComponent.class);
+ public static final ExternalComponentState IN_ERROR = new ExternalComponentState("IN_ERROR",
+ "There was an error during the sending to policy, the policy engine may be corrupted or inconsistent", 100);
public static final ExternalComponentState NOT_SENT = new ExternalComponentState("NOT_SENT",
- "The policies defined have NOT yet been created on the policy engine");
+ "The policies defined have NOT yet been created on the policy engine", 90);
public static final ExternalComponentState SENT = new ExternalComponentState("SENT",
- "The policies defined have been created but NOT deployed on the policy engine");
+ "The policies defined have been created but NOT deployed on the policy engine", 50);
public static final ExternalComponentState SENT_AND_DEPLOYED = new ExternalComponentState("SENT_AND_DEPLOYED",
- "The policies defined have been created and deployed on the policy engine");
- public static final ExternalComponentState IN_ERROR = new ExternalComponentState("IN_ERROR",
- "There was an error during the sending to policy, the policy engine may be corrupted or inconsistent");
+ "The policies defined have been created and deployed on the policy engine", 10);
public PolicyComponent() {
- super(NOT_SENT);
+ /*
+ * We assume it's good by default as we will receive the state for each policy
+ * on by one, each time we increase the level we can't decrease it anymore.
+ * That's why it starts with the lowest one SENT_AND_DEPLOYED.
+ */
+ super(SENT_AND_DEPLOYED);
}
@Override
return policyNamesList;
}
+ private static ExternalComponentState findNewState(boolean found, boolean deployed) {
+
+ ExternalComponentState newState = NOT_SENT;
+ if (found && deployed) {
+ newState = SENT_AND_DEPLOYED;
+ } else if (found) {
+ newState = SENT;
+ } else if (deployed) {
+ newState = IN_ERROR;
+ }
+ return newState;
+ }
+
+ private static ExternalComponentState mergeStates(ExternalComponentState oldState,
+ ExternalComponentState newState) {
+ return (oldState.compareTo(newState) < 0) ? newState : oldState;
+ }
+
+ /**
+ * This is a method that expect the results of the queries getPolicy and
+ * getPolicyDeployed for a unique policy (op,guard, config, etc ...). It
+ * re-computes the global policy state for each policy results given. Therefore
+ * this method is called multiple times from the camel route and must be reset
+ * for a new global policy state retrieval. The state to compute the global
+ * policy state is stored in this class.
+ *
+ */
@Override
public ExternalComponentState computeState(Exchange camelExchange) {
- boolean oneNotFound = (boolean) camelExchange.getIn().getExchange().getProperty("atLeastOnePolicyNotFound");
- boolean oneNotDeployed = (boolean) camelExchange.getIn().getExchange()
- .getProperty("atLeastOnePolicyNotDeployed");
-
- if (oneNotFound && oneNotDeployed) {
- this.setState(NOT_SENT);
- } else if (!oneNotFound && oneNotDeployed) {
- this.setState(SENT);
- } else if (!oneNotFound && !oneNotDeployed) {
- this.setState(SENT_AND_DEPLOYED);
- } else {
- this.setState(IN_ERROR);
- }
+ this.setState(mergeStates(this.getState(),
+ findNewState((boolean) camelExchange.getIn().getExchange().getProperty("policyFound"),
+ (boolean) camelExchange.getIn().getExchange().getProperty("policyDeployed"))));
return this.getState();
}
}