--- /dev/null
+/*******************************************************************************\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.type.DoubleType;\r
+import org.simantics.databoard.util.IdentityPair;\r
+
+
+/**
+ * This is a binding of Double Type and a Java Object.
+ *
+ * @see DoubleType
+ * @author Toni Kalajainen <toni.kalajainen@vtt.fi>
+ */
+public abstract class DoubleBinding extends NumberBinding {
+
+ public DoubleBinding(DoubleType type) {
+ this.type = type;
+ }
+
+ public DoubleType type() {
+ return (DoubleType) type;
+ }
+
+ public abstract Object create(Double value) throws BindingException;
+ public abstract Object create(double value) throws BindingException;
+ public abstract Object create(Number value) throws BindingException;
+ public abstract Object create(String value) throws BindingException;
+ public abstract Double getValue(Object o) throws BindingException;
+ public abstract double getValue_(Object o) throws BindingException;
+ public abstract void setValue(Object obj, Number value) throws BindingException;
+ public abstract void setValue(Object obj, double 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 {
+ double v1 = getValue_(o1);
+ double v2 = getValue_(o2);
+ return Double.compare(v1, v2);
+ }
+
+ @Override
+ public int deepHashValue(Object value, IdentityHashMap<Object, Object> hashedObjects) throws BindingException {
+ double v = getValue_(value);
+ long bits = Double.doubleToLongBits(v);
+ return (int)(bits ^ (bits >>> 32));
+ }
+
+ public Object createUnchecked(double value) throws RuntimeBindingException {
+ try {
+ return create(value);
+ } catch (BindingException e) {
+ return new RuntimeBindingException(e);
+ }
+ }
+ public Object createUnchecked(Double value) throws RuntimeBindingException {
+ try {
+ return create(value);
+ } catch (BindingException e) {
+ return new RuntimeBindingException(e);
+ }
+ }\r
+ \r
+}