]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.databoard/src/org/simantics/databoard/binding/LongBinding.java
Migrated source code from Simantics SVN
[simantics/platform.git] / bundles / org.simantics.databoard / src / org / simantics / databoard / binding / LongBinding.java
diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/LongBinding.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/LongBinding.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;
+
+import java.util.IdentityHashMap;\r
+import java.util.Set;\r
+\r
+import org.simantics.databoard.binding.error.BindingException;\r
+import org.simantics.databoard.binding.error.RuntimeBindingException;\r
+import org.simantics.databoard.binding.impl.LongBindingDefault;\r
+import org.simantics.databoard.binding.mutable.MutableLongBinding;\r
+import org.simantics.databoard.type.LongType;\r
+import org.simantics.databoard.util.IdentityPair;\r
+
+/**
+ * This is a binding of a Long Type and a Java Object.
+ *
+ * @see LongType\r
+ * @see LongBindingDefault for java.lang.Long Binding\r
+ * @see MutableLongBinding for MutableLong Binding
+ * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
+ */
+public abstract class LongBinding extends NumberBinding {
+       
+       public LongBinding(LongType type) {
+               this.type = type;
+       }
+       
+       public abstract Object create(long value) throws BindingException;
+       public abstract Object create(Long value) throws BindingException;
+       public abstract Object create(Number value) throws BindingException;
+       public abstract Object create(String value) throws BindingException;
+       public abstract Long getValue(Object o) throws BindingException;
+       public abstract long getValue_(Object o) throws BindingException; 
+       public abstract void setValue(Object obj, Number value) throws BindingException;
+       public abstract void setValue(Object obj, long value) throws BindingException;
+       public abstract boolean isInstance(Object obj);
+       
+    @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 int deepCompare(Object o1, Object o2,
+               Set<IdentityPair<Object, Object>> compareHistory)
+               throws BindingException {
+       
+       long v1 = getValue_(o1);
+       long v2 = getValue_(o2);
+       return (v1<v2 ? -1 : (v1==v2 ? 0 : 1));
+    }
+    
+    @Override
+    public int deepHashValue(Object value, IdentityHashMap<Object, Object> hashedObjects) throws BindingException {
+       long v = getValue_(value); 
+       return (int)(v ^ (v >>> 32));
+    }
+
+       public Object createUnchecked(long value) throws RuntimeBindingException {
+               try {
+                       return create(value);
+               } catch (BindingException e) {
+                       return new RuntimeBindingException(e);
+               }
+       }
+       public Object createUnchecked(Long value) throws RuntimeBindingException {
+               try {
+                       return create(value);
+               } catch (BindingException e) {
+                       return new RuntimeBindingException(e);
+               }
+       }
+       
+       /**
+        * Get Data type
+        * 
+        * @return data type
+        */
+       @Override
+       public LongType type() {
+               return (LongType) type;
+       }
+       
+}