Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.document.server / src / org / simantics / document / server / request / DocumentRequest.java

diff --git a/bundles/org.simantics.document.server/src/org/simantics/document/server/request/DocumentRequest.java b/bundles/org.simantics.document.server/src/org/simantics/document/server/request/DocumentRequest.java
new file mode 100644 (file)
index 0000000..f9c4252
--- /dev/null
+++ b/bundles/org.simantics.document.server/src/org/simantics/document/server/request/DocumentRequest.java
@@ -0,0 +1,69 @@
+package org.simantics.document.server.request;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collections;\r
+import java.util.Comparator;\r
+import java.util.HashSet;\r
+import java.util.List;\r
+import java.util.Set;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.request.VariableRead;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.document.server.JSONObject;\r
+\r
+public class DocumentRequest extends VariableRead<List<JSONObject>> {\r
+       \r
+       public static boolean PROFILE = false;\r
+\r
+    public DocumentRequest(Variable var) {\r
+        super(var);\r
+       }\r
+\r
+       @Override\r
+       public List<JSONObject> perform(ReadGraph graph) throws DatabaseException {\r
+               \r
+               long s = System.nanoTime();\r
+               \r
+        Set<Variable> nodes = graph.syncRequest(new NodesRequest(variable), TransientCacheAsyncListener.<Set<Variable>>instance());\r
+        HashSet<JSONObject> rs = new HashSet<JSONObject>(); // result\r
+        if(nodes.isEmpty()) {\r
+            return Collections.emptyList();\r
+        }\r
+        \r
+        \r
+        /*TreeMap<String, Variable> nodeMap = new TreeMap<String, Variable>();\r
+        \r
+        for (Variable node : nodes) {\r
+               nodeMap.put(node.getURI(graph), node);\r
+        }\r
+        System.out.println("*************************************************************************");\r
+        for (Variable node : nodeMap.values()) {\r
+               System.out.println("               " + node.getURI(graph));\r
+        }*/\r
+        \r
+        for(Variable node : nodes) {\r
+            rs.add(graph.syncRequest(new NodeRequest(node), TransientCacheAsyncListener.<JSONObject>instance()));\r
+        }\r
+\r
+               ArrayList<JSONObject> result = new ArrayList<JSONObject>(rs);\r
+               Collections.sort(result, new Comparator<JSONObject>() {\r
+\r
+                       @Override\r
+                       public int compare(JSONObject o1, JSONObject o2) {\r
+                               return o1.id.compareTo(o2.id);\r
+                       }\r
+                       \r
+               });\r
+        \r
+        if(PROFILE) {\r
+               long dura = System.nanoTime()-s;\r
+               System.err.println("DocumentRequest " + System.identityHashCode(this) + " " + variable.getURI(graph) + " in " + 1e-6*dura + "ms.");\r
+        }\r
+\r
+               return result;\r
+\r
+       }\r
+}
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