X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.db%2Fsrc%2Forg%2Fsimantics%2Fdb%2FRequestProcessor.java;h=5e818cb995c32408a9f04377c0b0885767d95513;hp=1fb7ae3a128c442b1d6006eb06463915632e0b10;hb=9f0fd59be54719b1fe9322d8fd37e4950857308c;hpb=969bd23cab98a79ca9101af33334000879fb60c5

diff --git a/bundles/org.simantics.db/src/org/simantics/db/RequestProcessor.java b/bundles/org.simantics.db/src/org/simantics/db/RequestProcessor.java
index 1fb7ae3a1..5e818cb99 100644
--- a/bundles/org.simantics.db/src/org/simantics/db/RequestProcessor.java
+++ b/bundles/org.simantics.db/src/org/simantics/db/RequestProcessor.java
@@ -1,69 +1,82 @@
-/*******************************************************************************
- * 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.db;
-
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.db.request.ReadInterface;
-import org.simantics.db.request.WriteInterface;
-
-/**
- * 
- * For initiating requests in synchronous manner. The possible requests are
- * <ul>
- * <li>{@link ReadInterface} for computing a single result
- * <li>{@link WriteInterface} for making a modification into the database
- * </ul>
- * <p>
- * Some standard implementations of ReadInterface and WriteInterface include
- * <ul>
- * <li>{@link ResourceRead} which is identified by a single resource
- * <li>{@link ResourceRead2} which is identified by a pair of resources
- * <li>{@link UnaryRead} which is identifier by a single object
- * <li>{@link BinaryRead} which is identifier by a pair of objects
- * <li>{@link UniqueRead} which is unique (not equal to anything but itself)
- * <li>{@link ReadRequest} which does not report a result
- * <li>{@link WriteRequest} for writing
- * </ul>
- * <p>
- * The standard RequestProcessors are
- * <ul>
- * <li>{@link ReadGraph} for performing requests during other requests
- * <li>{@link Session} for initiating a transactions for performing requests
- * <li>{@link MergingGraphRequestProcessor} for merging several requests in a
- * single transaction
- * </ul>
- * 
- * Database services (see e.g. {@link Session}) are available from implemented
- * {@link ServiceLocator}. For an asynchronous counterpart with the same
- * functionality as RequestProcessor see {@link AsyncRequestProcessor}
- * 
- * <p>
- * <b>IMPORTANT:</b>A client invoking any of the <code>sync</code>
- * -methods in this interface must not assume that the request is performed
- * within the same thread that performed the <code>syncRequest</code>
- * invocation. This is an implementation-specific matter.
- * 
- * @version 1.5
- * @author Antti Villberg
- * @see ReadInterface
- * @see WriteInterface
- * @see ReadGraph
- * @see Session
- * @see MergingGraphRequestProcessor
- * @see AsyncRequestProcessor
- */
-public interface RequestProcessor extends AsyncRequestProcessor, RequestProcessorSpecific {
-
-    <T> T sync(ReadInterface<T> r) throws DatabaseException;
-    <T> T sync(WriteInterface<T> r) throws DatabaseException;
-    
-}
+/*******************************************************************************
+ * Copyright (c) 2007, 2018 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;
+
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.procedure.Procedure;
+import org.simantics.db.request.ReadInterface;
+import org.simantics.db.request.WriteInterface;
+
+/**
+ * 
+ * For initiating requests in synchronous manner. The possible requests are
+ * <ul>
+ * <li>{@link ReadInterface} for computing a single result
+ * <li>{@link WriteInterface} for making a modification into the database
+ * </ul>
+ * <p>
+ * Some standard implementations of ReadInterface and WriteInterface include
+ * <ul>
+ * <li>{@link ResourceRead} which is identified by a single resource
+ * <li>{@link ResourceRead2} which is identified by a pair of resources
+ * <li>{@link UnaryRead} which is identifier by a single object
+ * <li>{@link BinaryRead} which is identifier by a pair of objects
+ * <li>{@link UniqueRead} which is unique (not equal to anything but itself)
+ * <li>{@link ReadRequest} which does not report a result
+ * <li>{@link WriteRequest} for writing
+ * </ul>
+ * <p>
+ * The standard RequestProcessors are
+ * <ul>
+ * <li>{@link ReadGraph} for performing requests during other requests
+ * <li>{@link Session} for initiating a transactions for performing requests
+ * <li>{@link MergingGraphRequestProcessor} for merging several requests in a
+ * single transaction
+ * </ul>
+ * 
+ * Database services (see e.g. {@link Session}) are available from implemented
+ * {@link ServiceLocator}. For an asynchronous counterpart with the same
+ * functionality as RequestProcessor see {@link AsyncRequestProcessor}
+ * 
+ * <p>
+ * <b>IMPORTANT:</b>A client invoking any of the <code>sync</code>
+ * -methods in this interface must not assume that the request is performed
+ * within the same thread that performed the <code>syncRequest</code>
+ * invocation. This is an implementation-specific matter.
+ * 
+ * @version 1.5
+ * @author Antti Villberg
+ * @see ReadInterface
+ * @see WriteInterface
+ * @see ReadGraph
+ * @see Session
+ * @see MergingGraphRequestProcessor
+ * @see AsyncRequestProcessor
+ */
+public interface RequestProcessor extends RequestProcessorSpecific, ServiceLocator {
+
+    Resource getRootLibrary();
+
+    /**
+     * @return the {@link Session} for which this processor is based on.
+     */
+    Session getSession();
+
+    <T> T sync(ReadInterface<T> r) throws DatabaseException;
+    <T> T sync(WriteInterface<T> r) throws DatabaseException;
+
+    <T> void async(WriteInterface<T> r);
+    <T> void async(WriteInterface<T> r, Procedure<T> procedure);
+
+    Object getModificationCounter();
+
+}