]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.databoard/src/org/simantics/databoard/binding/factory/DefaultBindingFactory.java
Migrated source code from Simantics SVN
[simantics/platform.git] / bundles / org.simantics.databoard / src / org / simantics / databoard / binding / factory / DefaultBindingFactory.java
diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/factory/DefaultBindingFactory.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/factory/DefaultBindingFactory.java
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+/*******************************************************************************\r
+ *  Copyright (c) 2010 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;
+
+import java.util.Map;\r
+\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.databoard.binding.error.BindingConstructionException;\r
+import org.simantics.databoard.binding.impl.BooleanArrayBinding;\r
+import org.simantics.databoard.binding.impl.BooleanBindingDefault;\r
+import org.simantics.databoard.binding.impl.ByteArrayBinding;\r
+import org.simantics.databoard.binding.impl.ByteBindingDefault;\r
+import org.simantics.databoard.binding.impl.DoubleArrayBinding;\r
+import org.simantics.databoard.binding.impl.DoubleBindingDefault;\r
+import org.simantics.databoard.binding.impl.FloatArrayBinding;\r
+import org.simantics.databoard.binding.impl.FloatBindingDefault;\r
+import org.simantics.databoard.binding.impl.IntArrayBinding;\r
+import org.simantics.databoard.binding.impl.IntegerBindingDefault;\r
+import org.simantics.databoard.binding.impl.LongArrayBinding;\r
+import org.simantics.databoard.binding.impl.LongBindingDefault;\r
+import org.simantics.databoard.binding.impl.ObjectArrayBinding;\r
+import org.simantics.databoard.binding.impl.StringBindingDefault;\r
+import org.simantics.databoard.binding.impl.TreeMapBinding;\r
+import org.simantics.databoard.binding.mutable.ContainerOptionalBinding;\r
+import org.simantics.databoard.binding.mutable.UnionTaggedObjectBinding;\r
+import org.simantics.databoard.type.ArrayType;\r
+import org.simantics.databoard.type.BooleanType;\r
+import org.simantics.databoard.type.ByteType;\r
+import org.simantics.databoard.type.Datatype;\r
+import org.simantics.databoard.type.DoubleType;\r
+import org.simantics.databoard.type.FloatType;\r
+import org.simantics.databoard.type.IntegerType;\r
+import org.simantics.databoard.type.LongType;\r
+import org.simantics.databoard.type.MapType;\r
+import org.simantics.databoard.type.OptionalType;\r
+import org.simantics.databoard.type.RecordType;\r
+import org.simantics.databoard.type.StringType;\r
+import org.simantics.databoard.type.UnionType;\r
+
+/**
+ * DefaultBindingScheme is a type to binding mapping that binds any DataType to an Object.\r
+ * All resulting bindings typicaly immutable java classes.
+ * 
+ * DataType           | Class of the bound instance
+ * ===================|==================
+ * BooleanType        | Boolean.class
+ * ByteType           | Byte.class
+ * FloatType          | Float.class
+ * DoubleType         | Double.class
+ * IntegerType        | Int.class
+ * LongType           | Long.class
+ * StringType         | String.class
+ * UnionType          | TaggedObject.class
+ * OptionType         | ValueContainer.class
+ * RecordType         | Object[].class
+ * MapType            | TreeMap.class
+ * VariantType        | Variant.class\r
+ * ArrayType(Boolean) | boolean[].class\r
+ * ArrayType(Byte)    | byte[].class\r
+ * ArrayType(Integer) | int[].class\r
+ * ArrayType(Long)    | long[].class\r
+ * ArrayType(Float)   | float[].class\r
+ * ArrayType(Double)  | double[].class\r
+ * ArrayType(Byte)    | byte[].class\r
+ * ArrayType( T )     | Object[].class\r
+ * 
+ *
+ * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
+ */
+public class DefaultBindingFactory extends TypeBindingFactory {\r
+       \r
+       /**\r
+        * Construct a binding factory.\r
+        */\r
+       public DefaultBindingFactory() {\r
+               super();\r
+       }\r
+       \r
+       /**\r
+        * Construct a scheme factory that appends constructed bindings to the user given\r
+        * repository  \r
+        * \r
+        * @param repository repository where bindings are placed\r
+        */\r
+       public DefaultBindingFactory(Map<Datatype, Binding> repository) {\r
+               super(repository);\r
+       }\r
+\r
+       @Override\r
+       protected Binding doConstruct(Datatype type)\r
+                       throws BindingConstructionException {\r
+\r
+               // Exact, non-annotated types\r
+               if (type.equals( Bindings.BOOLEAN.type() )) return Bindings.BOOLEAN;\r
+               if (type.equals( Bindings.BYTE.type() )) return Bindings.BYTE;\r
+               if (type.equals( Bindings.INTEGER.type() )) return Bindings.INTEGER;\r
+               if (type.equals( Bindings.LONG.type() )) return Bindings.LONG;\r
+               if (type.equals( Bindings.FLOAT.type() )) return Bindings.FLOAT;\r
+               if (type.equals( Bindings.DOUBLE.type() )) return Bindings.DOUBLE;\r
+               if (type.equals( Bindings.STRING.type() )) return Bindings.STRING;\r
+               if (type.equals( Bindings.VARIANT.type() )) return Bindings.VARIANT;\r
+               if (type.equals( Bindings.BOOLEAN_ARRAY.type() )) return Bindings.BOOLEAN_ARRAY;\r
+               if (type.equals( Bindings.BYTE_ARRAY.type() )) return Bindings.BYTE_ARRAY;\r
+               if (type.equals( Bindings.INT_ARRAY.type() )) return Bindings.INT_ARRAY;\r
+               if (type.equals( Bindings.LONG_ARRAY.type() )) return Bindings.LONG_ARRAY;\r
+               if (type.equals( Bindings.FLOAT_ARRAY.type() )) return Bindings.FLOAT_ARRAY;\r
+               if (type.equals( Bindings.DOUBLE_ARRAY.type() )) return Bindings.DOUBLE_ARRAY;\r
+               if (type.equals( Bindings.BOOLEAN_ARRAY.type() )) return Bindings.BOOLEAN_ARRAY;\r
+               if (type.equals( Bindings.STRING_ARRAY.type() )) return Bindings.STRING_ARRAY;\r
+               \r
+               // Annotated types \r
+               if (type instanceof BooleanType) return new BooleanBindingDefault((BooleanType)type);\r
+               if (type instanceof DoubleType) return new DoubleBindingDefault((DoubleType)type);\r
+               if (type instanceof FloatType) return new FloatBindingDefault((FloatType)type);\r
+               if (type instanceof ByteType) return new ByteBindingDefault((ByteType)type);\r
+               if (type instanceof IntegerType) return new IntegerBindingDefault((IntegerType)type);\r
+               if (type instanceof LongType) return new LongBindingDefault((LongType)type);\r
+               if (type instanceof StringType) return new StringBindingDefault((StringType)type);\r
+               \r
+               // Constructed types\r
+               if (type instanceof ArrayType) {
+                       ArrayType arrayType = (ArrayType) type;
+                       Datatype componentType = arrayType.componentType();\r
+                       
+                       if (componentType instanceof BooleanType) return BooleanArrayBinding.createFrom(arrayType);\r
+                       if (componentType instanceof ByteType) return ByteArrayBinding.createFrom(arrayType);\r
+                       if (componentType instanceof IntegerType) return IntArrayBinding.createFrom(arrayType);\r
+                       if (componentType instanceof LongType) return LongArrayBinding.createFrom(arrayType);\r
+                       if (componentType instanceof FloatType) return FloatArrayBinding.createFrom(arrayType);\r
+                       if (componentType instanceof DoubleType) return DoubleArrayBinding.createFrom(arrayType);\r
+\r
+                       ObjectArrayBinding binding = new ObjectArrayBinding(arrayType, null);\r
+                       inprogress.put(type, binding);\r
+                       binding.componentBinding = construct( componentType );                                          \r
+                       inprogress.remove(type);\r
+                       return binding;\r
+               }
+               
+               if (type instanceof OptionalType) {
+                       OptionalType optionalType = (OptionalType) type;
+                       Datatype componentType = optionalType.componentType;
+                       ContainerOptionalBinding binding = new ContainerOptionalBinding( optionalType, null );
+                       inprogress.put(type, binding);\r
+                       binding.componentBinding = construct( componentType );\r
+                       inprogress.remove(type);\r
+                       return binding;
+               }
+               
+               if (type instanceof RecordType) {                       
+                       RecordType recordType = (RecordType) type;
+                       Binding componentBindings[] = new Binding[ recordType.getComponentCount() ];
+                       RecordObjectArrayBinding binding = new RecordObjectArrayBinding(recordType, componentBindings);
+                       inprogress.put(type, binding);\r
+                       for (int i=0; i<componentBindings.length; i++) {\r
+                               componentBindings[i] = construct( recordType.getComponentType(i) );\r
+                       }\r
+                       inprogress.remove(type);\r
+                       return binding;
+               }
+               
+               if (type instanceof UnionType) {
+                       UnionType unionType = (UnionType) type;
+                       Binding componentBindings[] = new Binding[ unionType.components.length ];
+                       UnionTaggedObjectBinding binding = new UnionTaggedObjectBinding(unionType, componentBindings);
+                       inprogress.put(type, binding);\r
+                       for (int i=0; i<componentBindings.length; i++) {\r
+                               componentBindings[i] = construct( unionType.getComponent(i).type );\r
+                       }\r
+                       inprogress.remove(type);\r
+                       return binding;\r
+               }               
+               
+               if (type instanceof MapType) {                  
+                       MapType mapType = (MapType) type;
+                       TreeMapBinding binding = new TreeMapBinding(mapType, null, null);
+                       inprogress.put(type, binding);\r
+                       binding.setKeyBinding( construct(mapType.keyType) );\r
+                       binding.setValueBinding( construct(mapType.valueType) );\r
+                       inprogress.remove(type);\r
+                       return binding;\r
+               }
+               
+               throw new BindingConstructionException("Unexpected, I don't know how to create binding for "+type);
+       }\r
+\r
+       @Override\r
+       public boolean supportsType(Datatype type) {\r
+               // unexpected\r
+               if (failures.containsKey(type)) return false;\r
+               return true;\r
+       }\r
+       
+}
+
+
+