-package org.simantics.db.layer0.variable;\r
-\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.exception.DatabaseException;\r
-\r
-public class ProxyVariables {\r
- \r
- public static Variable inputVariable(ReadGraph graph, Variable context) throws DatabaseException {\r
- Variable session = graph.syncRequest(new ProxySessionRequest(context));\r
- if(session == null) return null;\r
- String uri = session.getPossiblePropertyValue(graph, "inputURI");\r
- if(uri == null) {\r
- // TODO HAXX - Please fix this\r
- // we have no URI so this probably means that someone has inserted a non-session \r
- // into the proxy variable => return that instead\r
- return session;\r
- }\r
- return Variables.getVariable(graph, uri);\r
- }\r
-\r
- public static Variable sessionVariable(ReadGraph graph, Variable self) throws DatabaseException {\r
- return graph.syncRequest(new ProxySessionRequest(self));\r
- }\r
-\r
- public static Variable makeProxyVariable(ReadGraph graph, Variable base, Variable input) throws DatabaseException {\r
- \r
- base = base.getChild(graph, ProxyChildVariable.CONTEXT_BEGIN);\r
- String path = input.getURI(graph).substring("http:/".length());\r
- base = base.browse(graph, path);\r
- return base.getChild(graph, ProxyChildVariable.CONTEXT_END);\r
- \r
- }\r
- \r
- public static Variable proxySessionVariable(ReadGraph graph, Variable variable) throws DatabaseException {\r
- \r
- try {\r
- \r
- Variable child = variable.getParent(graph);\r
- Variable parent = child.getParent(graph);\r
-\r
- if(parent instanceof ProxyChildVariable) {\r
- Variable var = ((ProxyChildVariable)parent).other();\r
- if(var.getParent(graph) == null) {\r
- return null;\r
- }\r
- return var;\r
- } else {\r
- Variable input = parent.getPossiblePropertyValue(graph, "session");\r
- if(input == null) {\r
- System.out.println("null input for: " + parent.getURI(graph));\r
- }\r
- return input;\r
- }\r
- } catch (Throwable t) {\r
- t.printStackTrace();\r
- return null;\r
- }\r
-\r
- }\r
-\r
- public static Variable proxyVariableBase(ReadGraph graph, Variable variable) throws DatabaseException {\r
- \r
- try {\r
- \r
- Variable parent = variable.getParent(graph);\r
- if(parent == null) return null;\r
- \r
- if(parent instanceof ProxyChildVariable) {\r
- return ((ProxyChildVariable)parent).base();\r
- } else {\r
- return proxyVariableBase(graph, parent);\r
- }\r
- \r
- } catch (Throwable t) {\r
- t.printStackTrace();\r
- return null;\r
- }\r
-\r
- }\r
-\r
- public static Variable proxyVariableInput(ReadGraph graph, Variable variable) throws DatabaseException {\r
-\r
- if(variable instanceof ProxyChildVariable) {\r
- Variable var = ((ProxyChildVariable)variable).other();\r
- if(var.getParent(graph) == null) {\r
- return null;\r
- }\r
- return var;\r
- } else {\r
- Variable parent = variable.getParent(graph);\r
- if(parent == null) return null;\r
- else return proxyVariableBase(graph, parent);\r
- }\r
- \r
- }\r
- \r
- public static Variable proxyVariableRoot(ReadGraph graph, Variable variable) throws DatabaseException {\r
- \r
- try {\r
- \r
- Variable parent = variable.getParent(graph);\r
- if(parent == null) return null;\r
- \r
- if(parent instanceof ProxyChildVariable) {\r
- return variable;\r
- } else {\r
- return proxyVariableRoot(graph, parent);\r
- }\r
- \r
- } catch (Throwable t) {\r
- t.printStackTrace();\r
- return null;\r
- }\r
-\r
- }\r
-\r
- public static boolean isProxy(ReadGraph graph, Variable variable) throws DatabaseException {\r
- return proxyVariableRoot(graph, variable) != null;\r
- }\r
-\r
- \r
-}\r
+package org.simantics.db.layer0.variable;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+
+public class ProxyVariables {
+
+ public static Variable inputVariable(ReadGraph graph, Variable context) throws DatabaseException {
+ Variable session = graph.syncRequest(new ProxySessionRequest(context));
+ if(session == null) return null;
+ String uri = session.getPossiblePropertyValue(graph, "inputURI");
+ if(uri == null) {
+ // TODO HAXX - Please fix this
+ // we have no URI so this probably means that someone has inserted a non-session
+ // into the proxy variable => return that instead
+ return session;
+ }
+ return Variables.getVariable(graph, uri);
+ }
+
+ public static Variable sessionVariable(ReadGraph graph, Variable self) throws DatabaseException {
+ return graph.syncRequest(new ProxySessionRequest(self));
+ }
+
+ public static Variable makeProxyVariable(ReadGraph graph, Variable base, Variable input) throws DatabaseException {
+
+ base = base.getChild(graph, ProxyChildVariable.CONTEXT_BEGIN);
+ String path = input.getURI(graph).substring("http:/".length());
+ base = base.browse(graph, path);
+ return base.getChild(graph, ProxyChildVariable.CONTEXT_END);
+
+ }
+
+ public static Variable proxySessionVariable(ReadGraph graph, Variable variable) throws DatabaseException {
+
+ try {
+
+ Variable child = variable.getParent(graph);
+ Variable parent = child.getParent(graph);
+
+ if(parent instanceof ProxyChildVariable) {
+ Variable var = ((ProxyChildVariable)parent).other();
+ if(var.getParent(graph) == null) {
+ return null;
+ }
+ return var;
+ } else {
+ Variable input = parent.getPossiblePropertyValue(graph, "session");
+ if(input == null) {
+ System.out.println("null input for: " + parent.getURI(graph));
+ }
+ return input;
+ }
+ } catch (Throwable t) {
+ t.printStackTrace();
+ return null;
+ }
+
+ }
+
+ public static Variable proxyVariableBase(ReadGraph graph, Variable variable) throws DatabaseException {
+
+ try {
+
+ Variable parent = variable.getParent(graph);
+ if(parent == null) return null;
+
+ if(parent instanceof ProxyChildVariable) {
+ return ((ProxyChildVariable)parent).base();
+ } else {
+ return proxyVariableBase(graph, parent);
+ }
+
+ } catch (Throwable t) {
+ t.printStackTrace();
+ return null;
+ }
+
+ }
+
+ public static Variable proxyVariableInput(ReadGraph graph, Variable variable) throws DatabaseException {
+
+ if(variable instanceof ProxyChildVariable) {
+ Variable var = ((ProxyChildVariable)variable).other();
+ if(var.getParent(graph) == null) {
+ return null;
+ }
+ return var;
+ } else {
+ Variable parent = variable.getParent(graph);
+ if(parent == null) return null;
+ else return proxyVariableBase(graph, parent);
+ }
+
+ }
+
+ public static Variable proxyVariableRoot(ReadGraph graph, Variable variable) throws DatabaseException {
+
+ try {
+
+ Variable parent = variable.getParent(graph);
+ if(parent == null) return null;
+
+ if(parent instanceof ProxyChildVariable) {
+ return variable;
+ } else {
+ return proxyVariableRoot(graph, parent);
+ }
+
+ } catch (Throwable t) {
+ t.printStackTrace();
+ return null;
+ }
+
+ }
+
+ public static boolean isProxy(ReadGraph graph, Variable variable) throws DatabaseException {
+ return proxyVariableRoot(graph, variable) != null;
+ }
+
+
+}
Code Review / simantics / platform.git / blobdiff