X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scenegraph.profile%2Fsrc%2Forg%2Fsimantics%2Fscenegraph%2Fprofile%2FObserver.java;fp=bundles%2Forg.simantics.scenegraph.profile%2Fsrc%2Forg%2Fsimantics%2Fscenegraph%2Fprofile%2FObserver.java;h=94131e2f842fd2be3d7dea0fcb9bafffe410f693;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scenegraph.profile/src/org/simantics/scenegraph/profile/Observer.java b/bundles/org.simantics.scenegraph.profile/src/org/simantics/scenegraph/profile/Observer.java
new file mode 100644
index 000000000..94131e2f8
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+++ b/bundles/org.simantics.scenegraph.profile/src/org/simantics/scenegraph/profile/Observer.java
@@ -0,0 +1,43 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.scenegraph.profile;
+
+/**
+ * Diagram profile observer interface is a channel for {@link ProfileEntry} and
+ * {@link Style} to request style re-application, log exceptions and track the
+ * current state of the profile system for a particular diagram instance.
+ * 
+ * TODO: add mechanism for partial style re-application
+ */
+public interface Observer {
+
+    /**
+     * Notifies this profile system instance that a profile subsystem is
+     * requesting for style re-application for the whole diagram.
+     */
+    void update();
+
+    /**
+     * For logging exceptional situations that occur within profile entries or
+     * styles.
+     * 
+     * @param throwable
+     */
+    void exception(Throwable throwable);
+
+    /**
+     * @return <code>true</code> if this profile system instance has been shut
+     *         down, <code>false</code> otherwise
+     */
+    boolean isDisposed();
+
+}