INT-2040 changed signature of MessageStore.getMessageCount() to return long. Changed affected implementations

spring-integration-core/src/main/java/org/springframework/integration/store/MessageStore.java

@@ -61,6 +61,6 @@ public interface MessageStore {
 	 * @throws UnsupportedOperationException if not implemented
 	 */
 	@ManagedAttribute
-	int getMessageCount();
+	long getMessageCount();
 
 }

spring-integration-core/src/main/java/org/springframework/integration/store/SimpleMessageStore.java

@@ -76,7 +76,7 @@ public class SimpleMessageStore extends AbstractMessageGroupStore implements Mes
 	}
 
 	@ManagedAttribute
-	public int getMessageCount() {
+	public long getMessageCount() {
 		return idToMessage.size();
 	}