X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Frhynodge%2FState.java;h=966dbe307927b36a47a2f0b7c87dbc700a9974e5;hb=8aeef90590095a455e2323d70ba8ccae032f4276;hp=fe7f8ea11445649fec3423932ae3d354d087fe60;hpb=6ec36ef950c23c135bf0e112d932c5b7068189b8;p=rhynodge.git

diff --git a/src/main/java/net/pterodactylus/rhynodge/State.java b/src/main/java/net/pterodactylus/rhynodge/State.java
index fe7f8ea..966dbe3 100644
--- a/src/main/java/net/pterodactylus/rhynodge/State.java
+++ b/src/main/java/net/pterodactylus/rhynodge/State.java
@@ -17,6 +17,10 @@
 
 package net.pterodactylus.rhynodge;
 
+import javax.annotation.Nonnull;
+
+import net.pterodactylus.rhynodge.output.Output;
+
 /**
  * Defines the current state of a system.
  *
@@ -44,6 +48,23 @@ public interface State {
 	boolean success();
 
 	/**
+	 * Returns whether this state triggers a change notification. This can
+	 * only return {@code true} if this state is the result of a
+	 * {@link Merger} merging two states.
+	 *
+	 * @return {@code true} if this state triggers a change notification,
+	 * {@code false} otherwise
+	 */
+	boolean triggered();
+
+	/**
+	 * Sets whether this state will trigger a notification.
+	 */
+	void trigger();
+
+	boolean isEmpty();
+
+	/**
 	 * Returns the number of consecutive failures. This method only returns a
 	 * meaningful number iff {@link #success()} returns {@code false}. If
 	 * {@link #success()} returns {@code false} for the first time after
@@ -74,4 +95,7 @@ public interface State {
 	 */
 	Throwable exception();
 
+	@Nonnull
+	Output output(Reaction reaction);
+
 }