-/*******************************************************************************\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
+/*******************************************************************************
+ * Copyright (c) 2010 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
package org.simantics.databoard.binding.reflection;
-import org.simantics.databoard.Bindings;\r
-import org.simantics.databoard.adapter.AdaptException;\r
-import org.simantics.databoard.binding.Binding;\r
-import org.simantics.databoard.binding.UnionBinding;\r
-import org.simantics.databoard.binding.error.BindingConstructionException;\r
-import org.simantics.databoard.binding.error.BindingException;\r
-import org.simantics.databoard.serialization.Serializer;\r
-import org.simantics.databoard.serialization.SpecializedSerializerProvider;\r
-import org.simantics.databoard.type.UnionType;\r
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.adapter.AdaptException;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.binding.UnionBinding;
+import org.simantics.databoard.binding.error.BindingConstructionException;
+import org.simantics.databoard.binding.error.BindingException;
+import org.simantics.databoard.serialization.Serializer;
+import org.simantics.databoard.serialization.SpecializedSerializerProvider;
+import org.simantics.databoard.type.UnionType;
-/**\r
+/**
* Bindings an abstract class with @Union annotation to a DataBoard's UnionType.
- * \r
- * Example of usage:\r
- * @Union({Rectangle.class, Circle.class, Triangle.class}) class Shape {}\r
- * \r
- * class Rectangle extends Shape { public int width, height; }\r
- * class Circle extends Shape { public int radius; } \r
- * class Triangle extends Shape { public int sideLength; } \r
+ *
+ * Example of usage:
+ * @Union({Rectangle.class, Circle.class, Triangle.class}) class Shape {}
+ *
+ * class Rectangle extends Shape { public int width, height; }
+ * class Circle extends Shape { public int radius; }
+ * class Triangle extends Shape { public int sideLength; }
*
* @author Toni Kalajainen
*/
class UnionClassBinding extends UnionBinding implements SpecializedSerializerProvider {
- Class<?>[] componentClasses;\r
- Serializer specializedSerializer;\r
+ Class<?>[] componentClasses;
+ Serializer specializedSerializer;
public UnionClassBinding(UnionType type)
throws BindingConstructionException {
- this.type = type;\r
- }\r
- \r
+ this.type = type;
+ }
+
@Override
public Object create(int tag, Object value) {
return value;
@Override
public void setValue(Object union, int tag, Object value)
- throws BindingException {\r
- if (tag != getTag(union)) throw new BindingException("Cannot change the class of an instance");\r
- Binding cb = getComponentBinding(tag);\r
+ throws BindingException {
+ if (tag != getTag(union)) throw new BindingException("Cannot change the class of an instance");
+ Binding cb = getComponentBinding(tag);
cb.readFrom(cb, value, union);
- }\r
+ }
@Override
public int getTag(Object obj) throws BindingException {
for (int i=0; i<componentClasses.length; i++)
- if (componentClasses[i].isInstance(obj)) return i;\r
- throw new BindingException(obj.getClass().getSimpleName()+" is not a known component class");\r
+ if (componentClasses[i].isInstance(obj)) return i;
+ throw new BindingException(obj.getClass().getSimpleName()+" is not a known component class");
}
@Override
public Object getValue(Object obj) {
for (Class<?> c : componentClasses)
if (c.isInstance(obj)) return true;
return false;
- }\r
-\r
- @Override\r
- public Serializer getSpecializedSerializer() {\r
- return specializedSerializer;\r
+ }
+
+ @Override
+ public Serializer getSpecializedSerializer() {
+ return specializedSerializer;
}
-\r
-\r
- transient Boolean isImmutable;\r
- \r
- @Override\r
- public synchronized boolean isImmutable() {\r
- if ( isImmutable == null ) {\r
- boolean b = true;\r
- for ( Binding cb : getComponentBindings() ) {\r
- b &= cb.isImmutable();\r
- if (!b) break;\r
- }\r
- isImmutable = b;\r
- }\r
- return isImmutable;\r
- }\r
-\r
- @Override\r
- public Object readFromTry(Binding srcBinding, Object src, Object dst) throws BindingException\r
- {\r
- UnionBinding sb = (UnionBinding) srcBinding;\r
- int st = sb.getTag(src);\r
- int dt = getTag(dst);\r
- Binding scb = sb.getComponentBinding(st);\r
- Object sv = sb.getValue(src);\r
- \r
- \r
- if (st==dt) {\r
- // Same Tag\r
- Object dv = getValue(dst);\r
- Binding dcb = getComponentBinding(dt);\r
- dcb.readFrom(scb, sv, dv);\r
- return dv;\r
- } else {\r
- // Different Tag -> return cloned or (same, if immutable) value\r
- try {\r
- Binding dcb = getComponentBinding(st);\r
- return Bindings.adapt(src, scb, dcb);\r
- } catch(AdaptException e) {\r
- throw new BindingException(e);\r
- }\r
- }\r
- \r
- } \r
- \r
- /**\r
- * Returns true if the tag of this union type can be modified\r
- * \r
- * @return\r
- */\r
- public boolean isTagMutable() {\r
- return true;\r
- }\r
- \r
- @Override\r
- protected boolean baseEquals(Object obj) {\r
- if (!super.baseEquals(obj)) return false; \r
-\r
- UnionClassBinding o = (UnionClassBinding)obj;\r
- if (isImmutable != o.isImmutable) return false;\r
- if (specializedSerializer != o.specializedSerializer) return false;\r
- if (componentClasses.length != o.componentClasses.length) return false;\r
- \r
- for (int i = 0; i < componentClasses.length; i++) {\r
- if (!componentClasses[i].equals(o.componentClasses[i]))\r
- return false;\r
- }\r
- \r
- return true;\r
- }\r
- \r
- @Override\r
- public int baseHashCode() {\r
- int code = super.baseHashCode();\r
- for (int i = 0; i < componentClasses.length; i++)\r
- code = 23 * code + componentClasses.hashCode();\r
- \r
- return code;\r
+
+
+ transient Boolean isImmutable;
+
+ @Override
+ public synchronized boolean isImmutable() {
+ if ( isImmutable == null ) {
+ boolean b = true;
+ for ( Binding cb : getComponentBindings() ) {
+ b &= cb.isImmutable();
+ if (!b) break;
+ }
+ isImmutable = b;
+ }
+ return isImmutable;
+ }
+
+ @Override
+ public Object readFromTry(Binding srcBinding, Object src, Object dst) throws BindingException
+ {
+ UnionBinding sb = (UnionBinding) srcBinding;
+ int st = sb.getTag(src);
+ int dt = getTag(dst);
+ Binding scb = sb.getComponentBinding(st);
+ Object sv = sb.getValue(src);
+
+
+ if (st==dt) {
+ // Same Tag
+ Object dv = getValue(dst);
+ Binding dcb = getComponentBinding(dt);
+ dcb.readFrom(scb, sv, dv);
+ return dv;
+ } else {
+ // Different Tag -> return cloned or (same, if immutable) value
+ try {
+ Binding dcb = getComponentBinding(st);
+ return Bindings.adapt(src, scb, dcb);
+ } catch(AdaptException e) {
+ throw new BindingException(e);
+ }
+ }
+
+ }
+
+ /**
+ * Returns true if the tag of this union type can be modified
+ *
+ * @return
+ */
+ public boolean isTagMutable() {
+ return true;
+ }
+
+ @Override
+ protected boolean baseEquals(Object obj) {
+ if (!super.baseEquals(obj)) return false;
+
+ UnionClassBinding o = (UnionClassBinding)obj;
+ if (isImmutable != o.isImmutable) return false;
+ if (specializedSerializer != o.specializedSerializer) return false;
+ if (componentClasses.length != o.componentClasses.length) return false;
+
+ for (int i = 0; i < componentClasses.length; i++) {
+ if (!componentClasses[i].equals(o.componentClasses[i]))
+ return false;
+ }
+
+ return true;
+ }
+
+ @Override
+ public int baseHashCode() {
+ int code = super.baseHashCode();
+ for (int i = 0; i < componentClasses.length; i++)
+ code = 23 * code + componentClasses.hashCode();
+
+ return code;
}
-}\r
+}
Code Review / simantics / platform.git / blobdiff