X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Fbinding%2FDoubleBinding.java;fp=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Fbinding%2FDoubleBinding.java;h=bd9a27efd8321139bf273e271dc6c1705859442d;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/DoubleBinding.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/DoubleBinding.java new file mode 100644 index 000000000..bd9a27efd --- /dev/null +++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/binding/DoubleBinding.java @@ -0,0 +1,90 @@ +/******************************************************************************* + * 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; + +import java.util.IdentityHashMap; +import java.util.Set; + +import org.simantics.databoard.binding.error.BindingException; +import org.simantics.databoard.binding.error.RuntimeBindingException; +import org.simantics.databoard.type.DoubleType; +import org.simantics.databoard.util.IdentityPair; + + +/** + * This is a binding of Double Type and a Java Object. + * + * @see DoubleType + * @author Toni Kalajainen + */ +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 accept(Visitor v) { + return v.visit(this); + } + + @Override + public int deepCompare(Object o1, Object o2, + Set> compareHistory) + throws BindingException { + double v1 = getValue_(o1); + double v2 = getValue_(o2); + return Double.compare(v1, v2); + } + + @Override + public int deepHashValue(Object value, IdentityHashMap 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); + } + } + +}