package net.pterodactylus.rhynodge.engine;
-import static com.google.common.base.Optional.absent;
-import static com.google.common.base.Optional.of;
+import static com.google.common.collect.Maps.newTreeMap;
+import static java.lang.String.format;
+import static java.util.Optional.empty;
+import static java.util.Optional.of;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
+import java.util.Optional;
import java.util.SortedMap;
import net.pterodactylus.rhynodge.Filter;
import net.pterodactylus.rhynodge.Query;
import net.pterodactylus.rhynodge.Reaction;
-import net.pterodactylus.rhynodge.State;
import net.pterodactylus.rhynodge.Trigger;
import net.pterodactylus.rhynodge.states.AbstractState;
import net.pterodactylus.rhynodge.states.FailedState;
import net.pterodactylus.rhynodge.states.StateManager;
-import com.google.common.base.Optional;
-import com.google.common.collect.Maps;
import com.google.common.util.concurrent.AbstractExecutionThreadService;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.log4j.Logger;
@Override
public void run() {
while (isRunning()) {
- Optional<Reaction> nextReaction = getNextReaction();
+ Optional<NextReaction> nextReaction = getNextReaction();
if (!nextReaction.isPresent()) {
continue;
}
- String reactionName = nextReaction.get().name();
- logger.debug(String.format("Next Reaction: %s.", reactionName));
+ String reactionName = nextReaction.get().getKey();
+ logger.debug(format("Next Reaction: %s.", reactionName));
/* wait until the next reaction has to run. */
Optional<net.pterodactylus.rhynodge.State> lastState = stateManager.loadLastState(reactionName);
- long lastStateTime = lastState.isPresent() ? lastState.get().time() : 0;
int lastStateFailCount = lastState.isPresent() ? lastState.get().failCount() : 0;
- long waitTime = (lastStateTime + nextReaction.get().updateInterval()) - System.currentTimeMillis();
- logger.debug(String.format("Time to wait for next Reaction: %d millseconds.", waitTime));
+ long waitTime = nextReaction.get().getNextTime() - System.currentTimeMillis();
+ logger.debug(format("Time to wait for next Reaction: %d millseconds.", waitTime));
if (waitTime > 0) {
- synchronized (reactions) {
- try {
- logger.info(String.format("Waiting until %tc.", lastStateTime + nextReaction.get().updateInterval()));
- reactions.wait(waitTime);
- } catch (InterruptedException ie1) {
- /* we’re looping! */
- }
- }
+ waitForNextReactionToStart(nextReaction, waitTime);
/* re-start loop to check for new reactions. */
continue;
}
- /* run reaction. */
- logger.info(String.format("Running Query for %s...", reactionName));
- Query query = nextReaction.get().query();
- net.pterodactylus.rhynodge.State state;
- try {
- logger.debug("Querying system...");
- state = query.state();
- if (state == null) {
- state = FailedState.INSTANCE;
- }
- logger.debug("System queried.");
- } catch (Throwable t1) {
- logger.warn("Querying system failed!", t1);
- state = new AbstractState(t1) {
- /* no further state. */
- };
- }
- logger.debug(String.format("State is %s.", state));
+ net.pterodactylus.rhynodge.State state = runReaction(nextReaction, reactionName);
+ logger.debug(format("State is %s.", state));
/* convert states. */
- for (Filter filter : nextReaction.get().filters()) {
+ for (Filter filter : nextReaction.get().getReaction().filters()) {
if (state.success()) {
- net.pterodactylus.rhynodge.State newState = filter.filter(state);
- logger.debug(String.format("Old state is %s, new state is %s.", state, newState));
- state = newState;
+ state = filter.filter(state);
}
}
if (!state.success()) {
/* merge states. */
boolean triggerHit = false;
- Trigger trigger = nextReaction.get().trigger();
+ Trigger trigger = nextReaction.get().getReaction().trigger();
if (lastSuccessfulState.isPresent() && lastSuccessfulState.get().success() && state.success()) {
net.pterodactylus.rhynodge.State newState = trigger.mergeStates(lastSuccessfulState.get(), state);
}
/* run action if trigger was hit. */
- logger.debug(String.format("Trigger was hit: %s.", triggerHit));
+ logger.debug(format("Trigger was hit: %s.", triggerHit));
if (triggerHit) {
logger.info("Executing Action...");
- nextReaction.get().action().execute(trigger.output(nextReaction.get()));
+ nextReaction.get().getReaction().action().execute(trigger.output(nextReaction.get().getReaction()));
}
}
}
- private Optional<Reaction> getNextReaction() {
+ private net.pterodactylus.rhynodge.State runReaction(Optional<NextReaction> nextReaction, String reactionName) {
+ logger.info(format("Running Query for %s...", reactionName));
+ Query query = nextReaction.get().getReaction().query();
+ net.pterodactylus.rhynodge.State state;
+ try {
+ logger.debug("Querying system...");
+ state = query.state();
+ if (state == null) {
+ state = FailedState.INSTANCE;
+ }
+ logger.debug("System queried.");
+ } catch (Throwable t1) {
+ logger.warn("Querying system failed!", t1);
+ state = new AbstractState(t1) {
+ };
+ }
+ return state;
+ }
+
+ private void waitForNextReactionToStart(Optional<NextReaction> nextReaction, long waitTime) {
+ synchronized (reactions) {
+ try {
+ logger.info(format("Waiting until %tc.", nextReaction.get().getNextTime()));
+ reactions.wait(waitTime);
+ } catch (InterruptedException ie1) {
+ /* we’re looping! */
+ }
+ }
+ }
+
+ private Optional<NextReaction> getNextReaction() {
while (isRunning()) {
synchronized (reactions) {
if (reactions.isEmpty()) {
}
/* find next reaction. */
- SortedMap<Long, Pair<String, Reaction>> nextReactions = Maps.newTreeMap();
+ SortedMap<Long, Pair<String, Reaction>> nextReactions = newTreeMap();
synchronized (reactions) {
for (Entry<String, Reaction> reactionEntry : reactions.entrySet()) {
Optional<net.pterodactylus.rhynodge.State> state = stateManager.loadLastState(reactionEntry.getKey());
long stateTime = state.isPresent() ? state.get().time() : 0;
nextReactions.put(stateTime + reactionEntry.getValue().updateInterval(), Pair.of(reactionEntry.getKey(), reactionEntry.getValue()));
}
- return of(nextReactions.get(nextReactions.firstKey()).getRight());
+ Pair<String, Reaction> keyReaction = nextReactions.get(nextReactions.firstKey());
+ return of(new NextReaction(keyReaction.getKey(), keyReaction.getValue(), nextReactions.firstKey()));
}
}
- return absent();
+ return empty();
+ }
+
+ private static class NextReaction {
+
+ private final String key;
+ private final Reaction reaction;
+ private final long nextTime;
+
+ private NextReaction(String key, Reaction reaction, long nextTime) {
+ this.key = key;
+ this.reaction = reaction;
+ this.nextTime = nextTime;
+ }
+
+ public String getKey() {
+ return key;
+ }
+
+ public Reaction getReaction() {
+ return reaction;
+ }
+
+ public long getNextTime() {
+ return nextTime;
+ }
+
}
}
projects / rhynodge.git / blobdiff