X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Frequest%2FDefaultInstanceFactoryRequest.java;fp=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Frequest%2FDefaultInstanceFactoryRequest.java;h=730116ec6c44102b02b3aa5a863f8078cd46b2c3;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/DefaultInstanceFactoryRequest.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/DefaultInstanceFactoryRequest.java new file mode 100644 index 000000000..730116ec6 --- /dev/null +++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/DefaultInstanceFactoryRequest.java @@ -0,0 +1,72 @@ +/******************************************************************************* + * 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.layer0.request; + +import java.util.HashMap; +import java.util.HashSet; +import java.util.Map; + +import org.simantics.db.Resource; +import org.simantics.db.VirtualGraph; +import org.simantics.db.WriteGraph; +import org.simantics.db.exception.DatabaseException; +import org.simantics.db.layer0.adapter.Template; +import org.simantics.db.request.UndoTraits; +import org.simantics.db.request.WriteResult; +import org.simantics.layer0.Layer0; + +public class DefaultInstanceFactoryRequest implements WriteResult> { + + Resource type; + HashMap parameters; + Resource[] contexts; + + public DefaultInstanceFactoryRequest(Resource type, Map parameters, + Resource ... contexts) { + this.parameters = new HashMap(parameters); + this.contexts = contexts; + this.type = type; + } + + public Map perform(WriteGraph g) throws DatabaseException { + + Layer0 b = Layer0.getInstance(g); + + // Default instantiation logic + Resource instance = g.newResource(); + g.claim(instance, b.InstanceOf, null, type); + + parameters.put("", instance); + + // Collect templates + HashSet templates = new HashSet(); + for(Resource context : contexts) + templates.addAll(g.getObjects(instance, context)); + + // Apply templates + for(Resource template : templates) + g.adapt(template, Template.class).apply(g, parameters); + + return parameters; + + } + + @Override + public UndoTraits getUndoTraits() { + return null; + } + + @Override + public VirtualGraph getProvider() { + return null; + } +}