Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/BooleanBinding.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/BooleanBinding.java
new file mode 100644 (file)
index 0000000..239188c
--- /dev/null
+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/BooleanBinding.java
@@ -0,0 +1,118 @@
+/*******************************************************************************\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;
+
+import java.util.IdentityHashMap;\r
+import java.util.Set;\r
+\r
+import org.simantics.databoard.accessor.reference.ChildReference;\r
+import org.simantics.databoard.binding.error.BindingException;\r
+import org.simantics.databoard.binding.error.RuntimeBindingException;\r
+import org.simantics.databoard.binding.impl.BindingPrintContext;\r
+import org.simantics.databoard.binding.impl.BooleanBindingDefault;\r
+import org.simantics.databoard.binding.mutable.MutableBooleanBinding;\r
+import org.simantics.databoard.type.BooleanType;\r
+import org.simantics.databoard.util.IdentityPair;\r
+
+/**
+ * This is a binding of Boolean Type and a Java Object.
+ *
+ * @see BooleanBindingDefault
+ * @see MutableBooleanBinding
+ * @see BooleanType
+ * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
+ */
+public abstract class BooleanBinding extends Binding {
+       
+       public BooleanBinding(BooleanType type) {
+               this.type = type;
+       }
+       
+       public abstract Object create(boolean value) throws BindingException; 
+       public abstract Object create(Boolean value) throws BindingException; 
+       public abstract void setValue(Object obj, Boolean newValue) throws BindingException;
+       public abstract void setValue(Object obj, boolean newValue)     throws BindingException;
+       public abstract Boolean getValue(Object o) throws BindingException; 
+       public abstract boolean getValue_(Object o) throws BindingException; 
+\r
+       public Object createUnchecked(Boolean value) throws RuntimeBindingException {
+               try {
+                       return create(value);
+               } catch (BindingException e) {
+                       throw new RuntimeBindingException(e);
+               }
+       }\r
+       \r
+       @Override\r
+       public void readFrom(Binding srcBinding, Object src, Object dst)\r
+                       throws BindingException {\r
+               boolean v = ((BooleanBinding)srcBinding).getValue_(src);\r
+               setValue(dst, v);\r
+       }       
+       
+       @Override
+       public BooleanType type() {
+               return (BooleanType) super.type();
+       }
+       
+       @Override
+    public void accept(Visitor1 v, Object obj) {
+        v.visit(this, obj);        
+    }
+    
+       @Override
+    public <T> T accept(Visitor<T> v) {
+        return v.visit(this);
+    }
+       
+    @Override
+    public void assertInstaceIsValid(Object obj, Set<Object> validInstances) throws BindingException {
+               if (!isInstance(obj)) throw new BindingException("Not a boolean instance");     
+    }
+    
+    @Override
+    public int deepHashValue(Object value, IdentityHashMap<Object, Object> hashedObjects) throws BindingException {
+       boolean b = getValue_(value);
+       return b ? 1231 : 1237;
+    }
+    
+    @Override
+    public int deepCompare(Object o1, Object o2,
+               Set<IdentityPair<Object, Object>> compareHistory)
+               throws BindingException {
+       
+       boolean v1 = getValue_(o1);
+       boolean v2 = getValue_(o2);
+       return (v2 == v1 ? 0 : (v1 ? 1 : -1));          
+    }\r
+    \r
+    @Override\r
+       protected void toString(Object value, BindingPrintContext ctx) throws BindingException {\r
+       ctx.b.append(getValue_(value));\r
+    }
+\r
+       @Override\r
+       public Binding getComponentBinding(ChildReference path) {\r
+               if (path==null) return this;            \r
+               throw new IllegalArgumentException();\r
+       }       \r
+       \r
+       @Override\r
+       public int getComponentCount() {\r
+               return 0;\r
+       }\r
+       \r
+       @Override\r
+       public Binding getComponentBinding(int index) {\r
+               throw new IllegalArgumentException();\r
+       }
+}