X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Fprimitives%2FUnsignedShort.java;fp=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Fprimitives%2FUnsignedShort.java;h=158b57bdf4a32a7e1f34aed7455eeb4e22630b3c;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/primitives/UnsignedShort.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/primitives/UnsignedShort.java
new file mode 100644
index 000000000..158b57bdf
--- /dev/null
+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/primitives/UnsignedShort.java
@@ -0,0 +1,167 @@
+package org.simantics.databoard.primitives;
+
+
+/**
+ * Unsigned 16-bit integer value. The value is between 0 and 65535.
+ *
+ * @author Toni Kalajainen <toni.kalajainen@iki.fi>
+ */
+public abstract class UnsignedShort extends Number implements Comparable<Number> {
+
+	private static final long serialVersionUID = 1L;
+
+	public static final UnsignedShort MIN_VALUE, MAX_VALUE, ZERO;
+	
+	static long MASK = 0xFFFFl;
+	public static final long L_MAX_VALUE = 0xFFFFL;
+	public static final long L_MIN_VALUE = 0;
+
+	/** Value container */
+	int value;
+
+    public static UnsignedShort valueOf(long value) {
+		if (value>=0 && value<CACHE.length) return CACHE[(int)value];
+		return new UnsignedShort.Immutable(value);    	
+    }
+		
+    public static UnsignedShort fromBits(int intBits) {
+		if (intBits>=0 && intBits<CACHE.length)	return CACHE[intBits];
+    	UnsignedShort result = new UnsignedShort.Immutable();
+    	result.value = intBits & 0xFFFF;
+    	return result;
+    }		
+
+	public static class Mutable extends UnsignedShort {
+
+		private static final long serialVersionUID = 1L;
+
+		Mutable() {}
+		
+	    public Mutable(int value) throws IllegalArgumentException {
+	    	if ( value<L_MIN_VALUE || value>L_MAX_VALUE ) throw new IllegalArgumentException("Argument is not within range");
+	        this.value = value;
+	    }
+
+	    public Mutable(long value) throws IllegalArgumentException {
+	    	if ( value<L_MIN_VALUE || value>L_MAX_VALUE ) throw new IllegalArgumentException("Argument is not within range");
+	        this.value = (int) value;
+	    }
+
+	    public Mutable(String stringValue) throws IllegalArgumentException {
+	        long value = Long.parseLong(stringValue);
+	    	if ( value<L_MIN_VALUE || value>L_MAX_VALUE ) throw new IllegalArgumentException("Argument is not within range");
+	        this.value = (int) value;
+	    }	
+	    	    
+	    public static UnsignedShort fromBits(int intBits) {
+	    	UnsignedShort result = new Mutable();
+	    	result.value = intBits & 0xFFFF;
+	    	return result;
+	    }		    
+	    
+	    public void setBits(int intBits) {
+	    	this.value = intBits;
+	    }
+	    
+	    public void setValue(int value) {
+	    	if ( value<L_MIN_VALUE || value>L_MAX_VALUE ) throw new IllegalArgumentException("Argument is not within range");
+	    	this.value = value;
+	    }
+	    
+	    public void setValue(long value) {
+	    	if ( value<L_MIN_VALUE || value>L_MAX_VALUE ) throw new IllegalArgumentException("Argument is not within range");
+	        this.value = (int) value;
+	    }	    
+		
+	}
+
+	public static class Immutable extends UnsignedShort {
+
+		private static final long serialVersionUID = 1L;
+		
+		Immutable() {}
+		
+	    public Immutable(int value) throws IllegalArgumentException {
+	    	if ( value<L_MIN_VALUE || value>L_MAX_VALUE ) throw new IllegalArgumentException("Argument is not within range");
+	        this.value = value;
+	    }
+
+	    public Immutable(long value) throws IllegalArgumentException {
+	    	if ( value<L_MIN_VALUE || value>L_MAX_VALUE ) throw new IllegalArgumentException("Argument is not within range");
+	        this.value = (int) value;
+	    }
+
+	    public Immutable(String stringValue) throws IllegalArgumentException {
+	        long value = Long.parseLong(stringValue);
+	    	if ( value<L_MIN_VALUE || value>L_MAX_VALUE ) throw new IllegalArgumentException("Argument is not within range");
+	        this.value = (int) value;
+	    }	
+	    	    
+	    public static UnsignedShort fromBits(int intBits) {
+	    	UnsignedShort result = new Immutable();
+	    	result.value = intBits & 0xFFFF;
+	    	return result;
+	    }		    
+		
+	}
+    
+	
+    public int toBits() {
+    	return value;
+    }
+	
+	@Override
+	public int intValue() {
+		return value;
+	}
+	
+	@Override
+	public long longValue() {
+		return value & MASK;
+	}
+	
+	@Override
+	public float floatValue() {
+		return value & MASK;
+	}
+	@Override
+	public double doubleValue() {
+		return value & MASK;
+	}
+	
+    @Override
+	public boolean equals(Object obj) {
+		if (obj == null) return false;
+		if (obj == this) return true;
+		
+		if (obj instanceof UnsignedShort == false) return false;
+		UnsignedShort other = (UnsignedShort) obj;
+		return value == other.value;
+	}
+    
+    @Override
+    public String toString() {
+        return Long.toString(value & MASK);
+    }
+    
+	@Override
+	public int compareTo(Number obj) {
+        return Long.signum( (value & MASK) - obj.longValue() );
+	}
+	
+	@Override
+	public int hashCode() {
+		return value;
+	}
+
+	// Initialize Cache
+	private static int CACHE_SIZE = 16;
+	private static UnsignedShort.Immutable[] CACHE;
+	static {
+		CACHE = new UnsignedShort.Immutable[CACHE_SIZE];
+		for (int i=0; i<CACHE_SIZE; i++) CACHE[i] = new UnsignedShort.Immutable(i);
+		ZERO = MIN_VALUE = CACHE[0];
+		MAX_VALUE = new UnsignedShort.Immutable(L_MAX_VALUE);
+	}
+
+}