X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Ftype%2FNumberType.java;fp=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Ftype%2FNumberType.java;h=53ce107aa79aab34252afe93a5f13fc659842081;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/type/NumberType.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/type/NumberType.java
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index 000000000..53ce107aa
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+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/type/NumberType.java
@@ -0,0 +1,118 @@
+/*******************************************************************************
+ *  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.type;
+
+import org.simantics.databoard.Units;
+import org.simantics.databoard.accessor.error.ReferenceException;
+import org.simantics.databoard.accessor.reference.ChildReference;
+import org.simantics.databoard.util.Range;
+import org.simantics.databoard.util.RangeException;
+
+/**
+ * NumberType is comparable primitive type:
+ *  ByteType, IntegerType, DoubleType, LongType or FloatType 
+ * 
+ */
+public abstract class NumberType extends Datatype {
+    	
+	/** Unit string describes the quantity, magnitude and unit of the value. */
+	public static final String KEY_UNIT = "unit";
+	
+	/** Value ranges that are valid. */
+	public static final String KEY_RANGE = "range";
+	
+	// Cached Range
+	private transient Range range;
+	private transient String rangeIsForStr;
+		
+	/**
+	 * Get the unit type.
+	 * 
+	 * Unit string describes the quentity, magnity and unit of the value.
+	 *
+	 * @return the unit
+	 * @see Units 
+	 */
+	public String getUnit() {
+		return metadata.get( KEY_UNIT );
+	}
+
+	/**
+	 * Set the unit type.
+	 * Unit string describes the quentity, magnity and unit of the value.
+	 * 	
+	 * @param unit the unit type
+	 * @see Units 
+	 */
+	public void setUnit(String unit) {
+		if (unit==null) metadata.remove( KEY_UNIT ); 
+		else metadata.put( KEY_UNIT, unit );
+	}
+  
+	public Range getRange() {
+		String rangeStr = metadata.get( KEY_RANGE );
+		if (rangeStr == null) return null;
+		if (range != null && rangeStr!=null && rangeStr==rangeIsForStr) return range;
+		try {
+			rangeIsForStr = rangeStr;
+			range = Range.valueOf( rangeStr );
+		} catch (RangeException e) {
+			range = null;
+		}
+		return range;
+	}
+	
+	public String getRangeStr() {
+		return metadata.get( KEY_RANGE );
+	}
+
+	public void setRange(String range) {
+		if (range==null) metadata.remove( KEY_RANGE ); else
+    	metadata.put( KEY_RANGE, range );
+	}
+	
+	public void setRange(Range range) {
+		this.range = range;
+		if (range==null) {
+			rangeIsForStr = null;
+			metadata.remove( KEY_RANGE );
+		} else {
+			rangeIsForStr = range.toString();
+			metadata.put( KEY_RANGE, rangeIsForStr );
+		}
+	}
+	
+    @Override
+    public int getComponentCount() {
+    	return 0;
+    }
+    
+    @Override
+    public Datatype getComponentType(int index) {
+    	throw new IllegalArgumentException();
+    }
+    
+    @Override
+    public Datatype getComponentType(ChildReference path) {
+    	if (path==null) return this;
+    	throw new IllegalArgumentException();
+    }	
+
+	@SuppressWarnings("unchecked")
+	@Override
+	public <T extends Datatype> T getChildType(ChildReference reference) throws ReferenceException {
+		if (reference==null) return (T) this;
+		throw new ReferenceException(reference.getClass()+" is not a subreference of NumberType");	
+	}
+    
+}
+