Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / function / StandardChildDomainChildren.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/function/StandardChildDomainChildren.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/function/StandardChildDomainChildren.java
new file mode 100644 (file)
index 0000000..853135b
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/function/StandardChildDomainChildren.java
@@ -0,0 +1,86 @@
+package org.simantics.db.layer0.function;\r
+\r
+import java.util.Collection;\r
+import java.util.Map;\r
+import java.util.Set;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.AbstractVariable;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.VariableMapImpl;\r
+\r
+import gnu.trove.set.hash.THashSet;\r
+\r
+public class StandardChildDomainChildren extends VariableMapImpl {\r
+\r
+       @Override\r
+       public Variable getVariable(ReadGraph graph, Variable context, String name) throws DatabaseException {\r
+               return getStandardChildDomainChildVariable(graph, context, name);\r
+       }\r
+\r
+       @Override\r
+       public Map<String, Variable> getVariables(ReadGraph graph, Variable context, Map<String, Variable> map) throws DatabaseException {\r
+           return getStandardChildDomainChildVariables(graph, context, map);\r
+       }\r
+\r
+    public static Variable getStandardChildDomainChildVariable(ReadGraph graph, Variable context, String name) throws DatabaseException {\r
+        Resource graphChild = All.getPossibleGraphChild(graph, context, name);\r
+        return getStandardChildDomainChildVariable(graph, context, graphChild, name);\r
+    }\r
+\r
+    public static Variable getStandardChildDomainChildVariable(ReadGraph graph, Variable context, Resource graphChild, String name) throws DatabaseException {\r
+       AbstractVariable variable = (AbstractVariable)context;\r
+        Object childNode = All.getPossibleNodeChild(graph, variable, name);\r
+        if(graphChild != null)\r
+               return All.buildChildVariable(graph, context, graphChild, childNode);\r
+        if(childNode != null)\r
+               return All.createStandardGraphChildVariable(variable, childNode);\r
+        return null;\r
+    }\r
+    \r
+    public static Map<String, Variable> getStandardChildDomainChildVariables(ReadGraph graph, Variable context, Map<String, Variable> map) throws DatabaseException {\r
+        Map<String,Resource> graphChildren = All.getPossibleGraphChildren(graph, context);\r
+        return StandardChildDomainChildren.getStandardChildDomainChildVariables(graph, context, graphChildren, map);\r
+    }\r
+\r
+    public static Map<String, Variable> getStandardChildDomainChildVariables(ReadGraph graph, Variable context, Map<String,Resource> graphChildren, Map<String, Variable> map) throws DatabaseException {\r
+           \r
+       AbstractVariable variable = (AbstractVariable)context;\r
+        \r
+        Collection<Object> nodeChildren = All.getPossibleNodeChildren(graph, variable);\r
+        \r
+        if(graphChildren.isEmpty() && nodeChildren.isEmpty()) return map;\r
+        \r
+        Set<String> used = new THashSet<String>(nodeChildren.size());\r
+\r
+        map = All.ensureVariableMap(map, graphChildren.size());\r
+\r
+        for(Object nodeChild : nodeChildren) {\r
+            String name = All.getNodeName(variable, nodeChild);\r
+            used.add(name);\r
+            Resource graphChild = graphChildren.get(name); \r
+            if(graphChild != null){\r
+               Variable var = All.buildChildVariable(graph, context, graphChild, nodeChild);\r
+                if(var != null) {\r
+                    map.put(name, var);\r
+                    continue;\r
+                }\r
+            }\r
+            map.put(name, All.createStandardGraphChildVariable(variable, nodeChild));\r
+        }\r
+        \r
+        for(Map.Entry<String, Resource> entry : graphChildren.entrySet()) {\r
+            String name = entry.getKey();\r
+            if(used.contains(name)) continue;\r
+            Resource child = entry.getValue();\r
+            Variable var = All.buildChildVariable(graph, context, child, null);\r
+            if(var != null) map.put(name, var);\r
+        }\r
+        \r
+        return map;\r
+        \r
+    }\r
+    \r
+}\r