X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fgenericrelation%2FDependencies.java;fp=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Fgenericrelation%2FDependencies.java;h=bb942c20ca19e34eafebf527f06690748a3cfb22;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/genericrelation/Dependencies.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/genericrelation/Dependencies.java
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+/*******************************************************************************
+ * 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.genericrelation;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.utils.Logger;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.adapter.GenericRelationIndex;
+import org.simantics.db.service.QueryControl;
+import org.simantics.operation.Layer0X;
+import org.simantics.scl.runtime.function.FunctionImpl4;
+import org.simantics.scl.runtime.function.UnsaturatedFunction2;
+
+/**
+ * dependencies:
+ *      (ReadGraph, Resource model, String query) -> List<Map<String, Object>>
+ *      (ReadGraph, Resource model, String query, Integer maxResults) -> List<Map<String, Object>>
+ * 
+ * @author Antti Villberg
+ */
+public class Dependencies extends FunctionImpl4<ReadGraph, Resource, String, Integer, Object> {
+
+    public static final String FIELD_MODEL    = "Model";
+    public static final String FIELD_PARENT   = "Parent";
+    public static final String FIELD_RESOURCE = "Resource";
+    public static final String FIELD_NAME     = "Name";
+    public static final String FIELD_TYPES    = "Types";
+    public static final String FIELD_GUID    = "GUID";
+
+    protected Resource getIndexRelation(ReadGraph graph) {
+        return Layer0X.getInstance(graph).DependenciesRelation;
+    }
+
+    protected static String getBindingPattern() {
+        return "bfffff";
+    }
+
+    @Override
+    public Object apply(ReadGraph p0, Resource p1) {
+        return new UnsaturatedFunction2(this, p0, p1);
+    }
+
+    @Override
+    public Object apply(ReadGraph p0, Resource p1, String p2) {
+        return apply(p0, p1, p2, Integer.MAX_VALUE);
+    }
+
+    @Override
+    public Object apply(ReadGraph graph, final Resource model, final String query, Integer _maxResults) {
+        
+        try {
+
+            final GenericRelationIndex index = graph.adapt(getIndexRelation(graph), GenericRelationIndex.class);
+
+            // Listen
+            graph.syncRequest(new ExternalRequest(index, model));
+            
+            final int maxResults = _maxResults != null ? _maxResults : Integer.MAX_VALUE;
+            
+            QueryControl qc = graph.getService(QueryControl.class);
+            return index.query(qc.getIndependentGraph(graph), query, getBindingPattern(), new Object[] { model }, maxResults);
+            
+        } catch (DatabaseException e) {
+            Logger.defaultLogError(e);
+            return null;
+        }
+    }
+
+}