X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.management%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fmanagement%2FISessionContextProviderSource.java;fp=bundles%2Forg.simantics.db.management%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fmanagement%2FISessionContextProviderSource.java;h=6c0337861b37b98822886f9b2fc0ada63cf40fa9;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.management/src/org/simantics/db/management/ISessionContextProviderSource.java b/bundles/org.simantics.db.management/src/org/simantics/db/management/ISessionContextProviderSource.java
new file mode 100644
index 000000000..6c0337861
--- /dev/null
+++ b/bundles/org.simantics.db.management/src/org/simantics/db/management/ISessionContextProviderSource.java
@@ -0,0 +1,62 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2011 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.db.management;
+
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public interface ISessionContextProviderSource {
+
+    /**
+     * @param context the context object of the requested ISessionContextProvider
+     * @return <code>null</code> if there is no provider for the specified context
+     */
+    ISessionContextProvider get(Object context);
+
+    /**
+     * @return the currently active session context provider. Must always return
+     *         a valid provider.
+     */
+    ISessionContextProvider getActive();
+
+    /**
+     * @return all currently existing session context providers 
+     */
+    ISessionContextProvider[] getAll();
+
+    /**
+     * Used for manually installing ISessionContextProvider for a specified
+     * context handle object.
+     * 
+     * @param context the context handle to associate the session context
+     *        provider to. This same argument needs to be used with
+     *        {@link #get(Object)} when retrieving your session context
+     *        provider.
+     * @param provider the session context provider to associate with the
+     *        specified context
+     */
+    void put(Object context, ISessionContextProvider provider);
+
+    /**
+     * Used for manually removing an (context, provider) association from this
+     * source. Only associations created with
+     * {@link #put(Object, ISessionContextProvider)} can be removed with this
+     * method.
+     * 
+     * @param context the context handle to associate the session context
+     *        provider to.
+     * @return the dissociated session context provider
+     */
+    ISessionContextProvider remove(Object context);
+    
+}