X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db%2Fsrc%2Forg%2Fsimantics%2Fdb%2FVirtualGraphContext.java;fp=bundles%2Forg.simantics.db%2Fsrc%2Forg%2Fsimantics%2Fdb%2FVirtualGraphContext.java;h=b925d194da7763af11dd1907c5fb6f1dbf70290a;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.db/src/org/simantics/db/VirtualGraphContext.java b/bundles/org.simantics.db/src/org/simantics/db/VirtualGraphContext.java new file mode 100644 index 000000000..b925d194d --- /dev/null +++ b/bundles/org.simantics.db/src/org/simantics/db/VirtualGraphContext.java @@ -0,0 +1,70 @@ +/******************************************************************************* + * 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.databoard.binding.Binding; +import org.simantics.db.request.Write; +import org.simantics.db.request.WriteOnly; + +/** + * An interface that VirtualGraphSource can use to manipulate the transient virtual graph. + * + * @author Antti Villberg + */ +public interface VirtualGraphContext { + + /** + * Creates a new transient resource. + * @return + */ + int newResource(boolean lazy); + + void finish(int resource); + + /** + * Converts a transient or persistent resource to an integer id. + * @param resource + * @return + */ + int getIndex(Resource resource); + /** + * Converts an integer id to a resource. + * @param index + * @return + */ + Resource getResource(int index); + @Deprecated + void initialise(Write write); + void postModification(AsyncRequestProcessor processor, WriteOnly request); + /** + * Updates previously given result to getStatements. + * @param resource + * @param statements + */ + void updateStatements(int resource, int[] statements); + /** + * Updates previously given result to getValue. + * @param resource + * @param value + * @param binding + */ + void updateValue(int resource, Object value, Binding binding); +// /** +// * Makes a request to persistent graph in getStatements of getValue +// * and updates the results. +// * @param +// * @param read +// * @param procedure +// */ +// void pending(AsyncRead read, Procedure procedure); + +}