X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.diagram%2Fsrc%2Forg%2Fsimantics%2Fdiagram%2Fadapter%2FElementFactory.java;h=7aaf63cd6ded70f0a276a22d7c3bfffe48f26ba4;hp=f80043e311f58a499dbfc830156fe545e27a1a95;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hpb=24e2b34260f219f0d1644ca7a138894980e25b14

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/ElementFactory.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/ElementFactory.java
index f80043e31..7aaf63cd6 100644
--- a/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/ElementFactory.java
+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/adapter/ElementFactory.java
@@ -1,85 +1,85 @@
-/*******************************************************************************
- * 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.diagram.adapter;
-
-import org.simantics.db.AsyncReadGraph;
-import org.simantics.db.Resource;
-import org.simantics.db.common.procedure.guarded.GuardedAsyncProcedureWrapper;
-import org.simantics.db.procedure.AsyncProcedure;
-import org.simantics.db.procedure.Procedure;
-import org.simantics.g2d.canvas.ICanvasContext;
-import org.simantics.g2d.diagram.IDiagram;
-import org.simantics.g2d.element.ElementClass;
-import org.simantics.g2d.element.IElement;
-
-/**
- * The base interface for loading diagram elements from the graph database into
- * {@link ElementClass} and {@link IElement} instances for use with the g2d
- * diagram framework.
- * 
- * @author Tuukka Lehtonen
- * 
- * @see ElementFactoryAdapter
- * @see SyncElementFactory
- */
-public interface ElementFactory {
-
-    /**
-     * Retrieves the {@link ElementClass} for the given modelled element type.
-     */
-    void create(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementType, AsyncProcedure<ElementClass> procedure);
-
-    /**
-     * Retrieves the {@link ElementClass} for the given modelled element
-     * instance. The only real difference to
-     * {@link #create(AsyncReadGraph, ICanvasContext, IDiagram, Resource, AsyncProcedure)}
-     * is that the resource argument is an element instance, not a type.
-     * 
-     * The most usual default implementation of this method is to get the type
-     * of the resource and invoke
-     * {@link #create(AsyncReadGraph, ICanvasContext, IDiagram, Resource, AsyncProcedure)}
-     * with the type.
-     */
-    void getClass(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementResource, AsyncProcedure<ElementClass> procedure);
-
-    /**
-     * Loads data from given modelled element resource into the given element.
-     * 
-     * <p>
-     * The loader shall notify the specified <code>procedure</code> when the
-     * element has been loaded. If the element cannot be loaded properly for
-     * some reason, {@link Procedure#exception(Throwable)} should be invoked.
-     * Only invoke either {@link Procedure#exception(Throwable)} or
-     * {@link Procedure#execute(Object)} once.
-     * {@link GuardedAsyncProceureWrapper} can help with that.
-     * 
-     * <p>
-     * IMPORTANT: Diagram elements are essentially nothing more than their
-     * {@link ElementClass} and a set of hints. Updating the appearance or any
-     * other property related to an IElement is always a matter of updating its
-     * hint values. This is exactly what {@link GraphToDiagramSynchronizer} does
-     * in order to keep the run-time IElement representation in sync with the
-     * database contents. IElements may contain any number of hints that are set
-     * outside of the ElementFactory that loaded the element. In order for the
-     * graph &rarr; IElement updates to work properly, the updater must be able
-     * to rely on the fact that it simply needs to replace the existing hint
-     * values with the new hint values loaded by this method. Therefore
-     * implementers need to ensure that the same set of hint keys is always
-     * loaded for a single element. Otherwise the update process will
-     * potentially leave unwanted hints lying around in the run-time diagram
-     * elements.
-     * 
-     * @see GuardedAsyncProcedureWrapper
-     */
-    void load(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementResource, IElement element, AsyncProcedure<IElement> procedure);
-
-}
+/*******************************************************************************
+ * 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.diagram.adapter;
+
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.procedure.guarded.GuardedAsyncProcedureWrapper;
+import org.simantics.db.procedure.AsyncProcedure;
+import org.simantics.db.procedure.Procedure;
+import org.simantics.g2d.canvas.ICanvasContext;
+import org.simantics.g2d.diagram.IDiagram;
+import org.simantics.g2d.element.ElementClass;
+import org.simantics.g2d.element.IElement;
+
+/**
+ * The base interface for loading diagram elements from the graph database into
+ * {@link ElementClass} and {@link IElement} instances for use with the g2d
+ * diagram framework.
+ * 
+ * @author Tuukka Lehtonen
+ * 
+ * @see ElementFactoryAdapter
+ * @see SyncElementFactory
+ */
+public interface ElementFactory {
+
+    /**
+     * Retrieves the {@link ElementClass} for the given modelled element type.
+     */
+    void create(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementType, AsyncProcedure<ElementClass> procedure);
+
+    /**
+     * Retrieves the {@link ElementClass} for the given modelled element
+     * instance. The only real difference to
+     * {@link #create(AsyncReadGraph, ICanvasContext, IDiagram, Resource, AsyncProcedure)}
+     * is that the resource argument is an element instance, not a type.
+     * 
+     * The most usual default implementation of this method is to get the type
+     * of the resource and invoke
+     * {@link #create(AsyncReadGraph, ICanvasContext, IDiagram, Resource, AsyncProcedure)}
+     * with the type.
+     */
+    void getClass(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementResource, AsyncProcedure<ElementClass> procedure);
+
+    /**
+     * Loads data from given modelled element resource into the given element.
+     * 
+     * <p>
+     * The loader shall notify the specified <code>procedure</code> when the
+     * element has been loaded. If the element cannot be loaded properly for
+     * some reason, {@link Procedure#exception(Throwable)} should be invoked.
+     * Only invoke either {@link Procedure#exception(Throwable)} or
+     * {@link Procedure#execute(Object)} once.
+     * {@link GuardedAsyncProceureWrapper} can help with that.
+     * 
+     * <p>
+     * IMPORTANT: Diagram elements are essentially nothing more than their
+     * {@link ElementClass} and a set of hints. Updating the appearance or any
+     * other property related to an IElement is always a matter of updating its
+     * hint values. This is exactly what {@link GraphToDiagramSynchronizer} does
+     * in order to keep the run-time IElement representation in sync with the
+     * database contents. IElements may contain any number of hints that are set
+     * outside of the ElementFactory that loaded the element. In order for the
+     * graph &rarr; IElement updates to work properly, the updater must be able
+     * to rely on the fact that it simply needs to replace the existing hint
+     * values with the new hint values loaded by this method. Therefore
+     * implementers need to ensure that the same set of hint keys is always
+     * loaded for a single element. Otherwise the update process will
+     * potentially leave unwanted hints lying around in the run-time diagram
+     * elements.
+     * 
+     * @see GuardedAsyncProcedureWrapper
+     */
+    void load(AsyncReadGraph graph, ICanvasContext canvas, IDiagram diagram, Resource elementResource, IElement element, AsyncProcedure<IElement> procedure);
+
+}