Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.databoard / src / org / simantics / databoard / binding / factory / TroveBindingsProvider.java

diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/factory/TroveBindingsProvider.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/factory/TroveBindingsProvider.java
new file mode 100644 (file)
index 0000000..e635e12
--- /dev/null
+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/factory/TroveBindingsProvider.java
@@ -0,0 +1,169 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.databoard.binding.factory;\r
+\r
+import gnu.trove.map.hash.THashMap;\r
+import gnu.trove.set.hash.THashSet;\r
+\r
+import java.util.List;\r
+import java.util.Map;\r
+import java.util.Set;\r
+\r
+import org.simantics.databoard.Datatypes;\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.databoard.binding.error.BindingConstructionException;\r
+import org.simantics.databoard.binding.error.BindingException;\r
+import org.simantics.databoard.binding.impl.HashMapBinding;\r
+import org.simantics.databoard.binding.impl.HashSetBinding;\r
+import org.simantics.databoard.binding.reflection.BindingProvider;\r
+import org.simantics.databoard.binding.reflection.BindingRequest;\r
+import org.simantics.databoard.binding.reflection.ClassBindingFactory;\r
+import org.simantics.databoard.type.MapType;\r
+\r
+public class TroveBindingsProvider implements BindingProvider {\r
+\r
+       @Override\r
+       public Binding provideBinding(ClassBindingFactory factory, BindingRequest request)\r
+                       throws BindingConstructionException {\r
+               \r
+        if ( request.getClazz().equals(THashSet.class) ) {\r
+            MapType type = new MapType();\r
+            type.valueType = Datatypes.VOID;            \r
+               return new THashSetBinding(type, null);\r
+        }\r
+               \r
+        if ( request.getClazz().equals(THashMap.class) ) {\r
+            MapType type = new MapType();\r
+               return new THashMapBinding(type, null, null);\r
+        }\r
+               \r
+               return null;\r
+       }\r
+\r
+       static class THashMapBinding extends HashMapBinding {\r
+               \r
+               public THashMapBinding(Binding keyBinding, Binding valueBinding) {\r
+                       super(keyBinding, valueBinding);\r
+               }\r
+\r
+               public THashMapBinding(MapType mapType, Binding keyBinding,\r
+                               Binding valueBinding) {\r
+                       super(mapType, keyBinding, valueBinding);\r
+               }\r
+\r
+               @Override\r
+               public Object create() {                \r
+                       return new THashMap<Object, Object>();\r
+               }\r
+               \r
+               @Override\r
+               public Object create(Object[] keys, Object[] values) {\r
+                       if (keys.length!=values.length)\r
+                               throw new IllegalArgumentException("Equal length arrays expected");\r
+                       \r
+                       int len = keys.length;\r
+                       THashMap<Object, Object> result = new THashMap<Object, Object>(len);\r
+                       \r
+                       for (int i=0; i<len; i++) {\r
+                               Object key = keys[i];\r
+                               key = getComparableKey(result, key);                    \r
+                               Object value = values[i];\r
+                               result.put(key, value);\r
+                       }\r
+                       \r
+                       return result;\r
+               }\r
+               \r
+               @Override\r
+               public Object create(List<Object> keys, List<Object> values) {\r
+                       if (keys.size()!=values.size())\r
+                               throw new IllegalArgumentException("Equal length arrays expected");\r
+                       \r
+                       int len = keys.size();\r
+                       THashMap<Object, Object> result = new THashMap<Object, Object>(len);\r
+                       \r
+                       for (int i=0; i<len; i++) {\r
+                               Object key = keys.get(i);\r
+                               key = getComparableKey(result, key);\r
+                               Object value = values.get(i);\r
+                               result.put(key, value);\r
+                       }\r
+                       \r
+                       return result;\r
+               }\r
+               \r
+               @Override\r
+               public Object create(Map<?, ?> initialMap) throws BindingException {\r
+                       // Replace with TreeMap. Create comparator from binding.\r
+                       THashMap<Object, Object> result = new THashMap<Object, Object>();\r
+                       putAll(result, initialMap);\r
+                       return result;\r
+               }\r
+               \r
+               @Override\r
+               public boolean isInstance(Object obj) {\r
+                       return obj instanceof THashMap;\r
+               }\r
+               \r
+       }\r
+       \r
+       static class THashSetBinding extends HashSetBinding {\r
+               \r
+               public THashSetBinding(Binding elementBinding) {\r
+                       super(elementBinding);\r
+                       // TODO Auto-generated constructor stub\r
+               }\r
+\r
+               public THashSetBinding(MapType mapType, Binding elementBinding) {\r
+                       super(mapType, elementBinding);\r
+                       // TODO Auto-generated constructor stub\r
+               }\r
+\r
+               @Override\r
+               public Object create() throws BindingException {\r
+                       return new THashSet<Object>();\r
+               }\r
+\r
+               public Object create(Set<?> initialSet) throws BindingException {\r
+                       return new THashSet<Object>(initialSet);\r
+               }\r
+\r
+               @Override\r
+               public Object create(Map initialMap) throws BindingException {\r
+                       return new THashSet<Object>(initialMap.keySet());\r
+               }\r
+\r
+               @Override\r
+               public Object create(Object[] keys, Object[] values)\r
+               throws BindingException {               \r
+                       THashSet<Object> result = new THashSet<Object>(keys.length);\r
+                       for (int i=0; i<keys.length; i++)\r
+                               result.add(keys[i]);\r
+                       return result;\r
+               }\r
+               \r
+               @Override\r
+               public Object create(List<Object> keys, List<Object> values) {\r
+                       THashSet<Object> result = new THashSet<Object>(keys.size());\r
+                       for (int i=0; i<keys.size(); i++)\r
+                               result.add(keys.get(i));\r
+                       return result;\r
+               }\r
+               \r
+               @Override\r
+               public boolean isInstance(Object obj) {\r
+                       return obj instanceof THashSet;\r
+               }               \r
+               \r
+       }\r
+       \r
+}\r