X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.history%2Fsrc%2Forg%2Fsimantics%2Fhistory%2Futil%2FValueBand.java;h=ce2f392c8ec8055e0de6a0cf1304b8cbe4099aed;hb=d9d830062a16b727c65d9bbd04f519235c5ece01;hp=3189e8af44cbcb056d4e9f9856a84d4395478418;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.history/src/org/simantics/history/util/ValueBand.java b/bundles/org.simantics.history/src/org/simantics/history/util/ValueBand.java
index 3189e8af4..ce2f392c8 100644
--- a/bundles/org.simantics.history/src/org/simantics/history/util/ValueBand.java
+++ b/bundles/org.simantics.history/src/org/simantics/history/util/ValueBand.java
@@ -1,696 +1,696 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2011 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.history.util;
-
-import org.simantics.databoard.Bindings;
-import org.simantics.databoard.adapter.AdaptException;
-import org.simantics.databoard.adapter.Adapter;
-import org.simantics.databoard.adapter.AdapterConstructionException;
-import org.simantics.databoard.binding.Binding;
-import org.simantics.databoard.binding.BooleanBinding;
-import org.simantics.databoard.binding.ByteBinding;
-import org.simantics.databoard.binding.DoubleBinding;
-import org.simantics.databoard.binding.FloatBinding;
-import org.simantics.databoard.binding.NumberBinding;
-import org.simantics.databoard.binding.RecordBinding;
-import org.simantics.databoard.binding.error.BindingException;
-import org.simantics.databoard.binding.error.RuntimeBindingException;
-import org.simantics.databoard.type.RecordType;
-import org.simantics.history.HistoryException;
-
-/**
- * Value band is an utility class intended for reading and writing to samples.
- * There are many different formats of samples, their fields, order and datatypes vary.
- *
- * @author toni.kalajainen
- */
-public class ValueBand {
-	
-	public static final Byte QUALITY_GOOD = Byte.valueOf( (byte) 0 ); 
-	public static final Byte QUALITY_NOVALUE = Byte.valueOf( (byte) -1 ); 
-	
-	protected RecordBinding binding;
-	protected RecordType type;
-	protected Object sample;
-	
-	/** Field value cloners */
-	FieldAdapter timeField, endTimeField, valueField, lastValueField, avgField, medianField, minField, maxField, countField, qualityField;
-	/** Default value*/
-	Object defaultValue;
-	
-	public ValueBand(Binding sampleBinding)
-	{
-		if ( sampleBinding instanceof RecordBinding == false ) {
-			throw new IllegalArgumentException();
-		}
-		
-		this.binding = (RecordBinding) sampleBinding;		
-		type = this.binding.type();
-		
-		timeField = new FieldAdapter("time");
-		endTimeField = new FieldAdapter("endTime");
-		valueField = new FieldAdapter("value");
-		lastValueField = new FieldAdapter("lastValue");
-		avgField = new FieldAdapter("avg");
-		medianField = new FieldAdapter("median");
-		minField = new FieldAdapter("min");
-		maxField = new FieldAdapter("max");
-		countField = new FieldAdapter("count");
-		qualityField = new FieldAdapter("quality");
-				
-		try {
-			defaultValue = binding.createDefault();
-		} catch (BindingException e) {
-			throw new RuntimeBindingException( e );
-		}
-	}
-	
-	public ValueBand(Binding sampleBinding, Object sample)
-	{
-		this( sampleBinding );
-		this.sample = sample;
-	}
-	
-	
-	public void reset()
-	{
-		try {
-			binding.readFrom(binding, defaultValue, sample);
-		} catch (BindingException e) {
-			throw new RuntimeBindingException( e );
-		}
-	}
-	
-	public Binding getBinding()
-	{
-		return binding;
-	}
-
-	/**
-	 * Get the internal sample instance
-	 * 
-	 * @return the internal sample instance
-	 */
-	public Object getSample() {
-		return sample;
-	}
-
-	/**
-	 * Change the internal sample instance
-	 * 
-	 * @param sample
-	 */
-	public void setSample(Object sample) {
-		this.sample = sample;
-	}
-
-	/**
-	 * Write to the internal sample instance 
-	 * 
-	 * @param sample
-	 */
-	public void writeSample(Object sample) {
-		try {
-			binding.readFrom(binding, sample, this.sample);
-		} catch (BindingException e) {
-			throw new RuntimeBindingException(e);
-		}
-	}
-	
-	/**
-	 * Write to the internal sample instance 
-	 * 
-	 * @param binding
-	 * @param sample
-	 */
-	public void writeSample(Binding binding, Object sample) {
-		try {
-			binding.readFrom(binding, sample, this.sample);
-		} catch (BindingException e) {
-			throw new RuntimeBindingException(e);
-		}
-	}
-		
-	
-	/// Time ///
-	public boolean hasTime() {
-		return timeField.isEnabled();
-	}
-	
-	public Binding getTimeBinding() {
-		return timeField.binding;
-	}
-	
-	public Object getTime() throws HistoryException {
-		return timeField.getValue();
-	}
-
-	public Object getTime(Binding b) throws HistoryException {
-		return timeField.getValue(b);
-	}
-	
-	public double getTimeDouble() throws HistoryException {
-		return timeField.getDoubleValue();
-	}
-	
-	public void setTime(Object v) throws HistoryException {
-		timeField.setValue(v);
-	}
-	
-	public void setTime(Binding binding, Object v) throws HistoryException
-	{
-		timeField.setValue(binding, v);
-	}
-
-	/// EndTime ///
-	public boolean hasEndTime() {
-		return endTimeField.isEnabled();
-	}
-	
-	public Binding getEndTimeBinding() {
-		return endTimeField.binding;
-	}
-	
-	public Object getEndTime() throws HistoryException {
-		return endTimeField.getValue();
-	}
-
-	public Object getEndTime(Binding b) throws HistoryException {
-		return endTimeField.getValue(b);
-	}
-	
-	public double getEndTimeDouble() throws HistoryException {
-		return endTimeField.getDoubleValue();
-	}
-	
-	
-	public void setEndTime(Object v) throws HistoryException {
-		endTimeField.setValue(v);
-	}
-
-	public void setEndTime(Binding binding, Object v) throws HistoryException
-	{
-		endTimeField.setValue(binding, v);
-	}
-	
-	/// Value ///
-	public boolean hasValue() {
-		return valueField.isEnabled();
-	}
-	
-	public Binding getValueBinding() {
-		return valueField.binding;
-	}
-	
-	public Object getValue() throws HistoryException {
-		return valueField.getValue();
-	}
-
-	public Object getValue(Binding b) throws HistoryException {
-		return valueField.getValue(b);
-	}
-
-	public double getValueDouble() throws HistoryException {
-		return valueField.getDoubleValue();
-	}
-	
-	public Object getPossibleValue() throws HistoryException {
-		if ( isNullValue() ) return null;
-		return valueField.getValue();
-	}
-
-	public Object getPossibleValue(Binding b) throws HistoryException {
-		if ( isNullValue() ) return null;
-		return valueField.getValue(b);
-	}
-
-	public Double getPossibleValueDouble() throws HistoryException {
-		if ( isNullValue() ) return null;
-		return valueField.getDoubleValue();
-	}
-	
-	
-	public boolean getValueBoolean() throws HistoryException {
-		return valueField.getBooleanValue();
-	}
-	
-	public void setValue(Object v) throws HistoryException {
-		valueField.setValue(v);
-	}
-
-	public void setValue(Binding binding, Object v) throws HistoryException
-	{
-		valueField.setValue(binding, v);
-	}
-	
-	/// LastValue ///
-	public boolean hasLastValue() {
-		return lastValueField.isEnabled();
-	}
-	
-	public Binding getLastValueBinding() {
-		return lastValueField.binding;
-	}
-	
-	public Object getLastValue() throws HistoryException {
-		return lastValueField.getValue();
-	}
-
-	public Object getLastValue(Binding b) throws HistoryException {
-		return lastValueField.getValue(b);
-	}
-
-	public void setLastValue(Object v) throws HistoryException {
-		lastValueField.setValue(v);
-	}
-	
-	public void setLastValue(Binding binding, Object v) throws HistoryException {
-		lastValueField.setValue(binding, v);
-	}
-	
-	/// Avg ///
-	public boolean hasAvg() {
-		return avgField.isEnabled();
-	}
-	
-	public Binding getAvgBinding() {
-		return avgField.binding;
-	}
-	
-	public Object getAvg() throws HistoryException {
-		return avgField.getValue();
-	}
-
-	public Object getAvg(Binding b) throws HistoryException {
-		return avgField.getValue(b);
-	}
-	
-	public double getAvgDouble() throws HistoryException {
-		return avgField.getDoubleValue();
-	}	
-	
-	public void setAvg(Object v) throws HistoryException {
-		avgField.setValue(v);
-	}
-
-	public void setAvg(Binding binding, Object v) throws HistoryException
-	{
-		avgField.setValue(binding, v);
-	}
-	
-	/// Median ///
-	public boolean hasMedian() {
-		return medianField.isEnabled();
-	}
-	
-	public Binding getMedianBinding() {
-		return medianField.binding;
-	}
-	
-	public Object getMedian() throws HistoryException {
-		return medianField.getValue();
-	}
-
-	public Object getMedian(Binding b) throws HistoryException {
-		return medianField.getValue(b);
-	}
-	
-	public double getMedianDouble() throws HistoryException {
-		return medianField.getDoubleValue();
-	}
-	
-	public void setMedian(Object v) throws HistoryException {
-		medianField.setValue(v);
-	}
-
-	public void setMedian(Binding binding, Object v) throws HistoryException
-	{
-		medianField.setValue(binding, v);
-	}
-	
-	/// Min ///
-	public boolean hasMin() {
-		return minField.isEnabled();
-	}
-	
-	public Binding getMinBinding() {
-		return minField.binding;
-	}
-	
-	public Object getMin() throws HistoryException {
-		return minField.getValue();
-	}
-
-	public Object getMin(Binding b) throws HistoryException {
-		return minField.getValue(b);
-	}
-	
-	public double getMinDouble() throws HistoryException {
-		return minField.getDoubleValue();
-	}
-	
-	public void setMin(Object v) throws HistoryException {
-		minField.setValue(v);
-	}	
-
-	public void setMin(Binding binding, Object v) throws HistoryException
-	{
-		minField.setValue(binding, v);
-	}
-	
-	/// Max ///
-	public boolean hasMax() {
-		return maxField.isEnabled();
-	}
-	
-	public Binding getMaxBinding() {
-		return maxField.binding;
-	}
-	
-	public Object getMax() throws HistoryException {
-		return maxField.getValue();
-	}
-
-	public Object getMax(Binding b) throws HistoryException {
-		return maxField.getValue(b);
-	}
-	
-	public double getMaxDouble() throws HistoryException {
-		return maxField.getDoubleValue();
-	}
-	
-	public void setMax(Object v) throws HistoryException {
-		maxField.setValue(v);
-	}	
-	
-	public void setMax(Binding binding, Object v) throws HistoryException
-	{
-		maxField.setValue(binding, v);
-	}
-	
-	
-	/// Count ///
-	public boolean hasCount() {
-		return countField.isEnabled();
-	}
-	
-	public NumberBinding getCountBinding() {
-		return (NumberBinding) countField.binding;
-	}
-	
-	public int getCount() throws HistoryException {
-		Integer i = (Integer) countField.getValue( Bindings.INTEGER );
-		return i == null ? 0 : i;
-	}
-
-	public Object getCount(Binding b) throws HistoryException {
-		return countField.getValue(b);
-	}
-	
-	public void setCount(int v) throws HistoryException {
-		countField.setValue(Bindings.INTEGER, v);
-	}	
-
-	/// Quality ///
-	public boolean hasQuality() {
-		return qualityField.isEnabled();
-	}
-	
-	public Binding getQualityBinding() {
-		return qualityField.binding;
-	}
-	
-	public Object getQuality() throws HistoryException {
-		return qualityField.getValue();
-	}
-
-	public Object getQuality(Binding b) throws HistoryException {
-		return qualityField.getValue(b);
-	}
-	
-	public void setQuality(Object v) throws HistoryException {
-		qualityField.setValue(v);
-	}	
-
-	public void setQuality(Binding binding, Object v) throws HistoryException
-	{
-		qualityField.setValue(binding, v);
-	}
-	
-	
-	/**
-	 * Value band is a region of one or more samples.
-	 * This method returns true, if value band is expressed with a single sample.
-	 * 
-	 * If value band is expressed with two samples, there is start and end
-	 * sample. The format is typicaly simple (time, value).  
-	 * 
-	 * @return true if it can represent more than one sample
-	 */
-	public boolean isRanged()
-	{
-		return endTimeField.isEnabled();
-	}
-	
-	public boolean isValidValue() throws HistoryException {
-		return !isNanSample() && !isNullValue();
-	}
-
-	/**
-	 * Return true, if this sample 
-	 * 
-	 * @return true if the value is Not-a-number
-	 */
-	public boolean isNanSample() {
-		try {
-			if (valueField.binding instanceof DoubleBinding) {
-				DoubleBinding db = (DoubleBinding) valueField.binding;
-				double d = db.getValue_( binding.getComponent(sample, valueField.index) );
-				return Double.isNaN( d );
-			}
-			if (valueField.binding instanceof FloatBinding) {
-				FloatBinding db = (FloatBinding) valueField.binding;
-				float d = db.getValue_( binding.getComponent(sample, valueField.index) );
-				return Float.isNaN( d );
-			}
-			return false;
-		} catch (BindingException e) {
-			return false;
-		}
-	}
-	
-	/**
-	 * Returns true, if this sample format supports a way to express 
-	 * discontinuation regions. 
-	 * 
-	 * @return true if can support discontinuation
-	 */
-	public boolean supportsNullValue() {
-		return qualityField.isEnabled();
-	}
-	
-	/**
-	 * Marks this sample as discontinuation sample
-	 * @throws HistoryException 
-	 */
-	public void setValueNull() throws HistoryException {
-		qualityField.setValue(Bindings.BYTE, QUALITY_NOVALUE);
-	}
-	
-	/**
-	 * Returns true, if the sample is discontinuation sample
-	 * 
-	 * @return true, if the sample is discontinuation sample
-	 * @throws HistoryException 
-	 */
-	public boolean isNullValue() throws HistoryException {
-		Byte b = (Byte) qualityField.getValue(Bindings.BYTE);
-		return b == null ? false : b.equals( QUALITY_NOVALUE );
-	}
-	
-	public boolean isNumericValue() {
-		return valueField.isNumeric();
-	}
-	
-	@Override
-	public String toString() {
-		try {
-			return binding.toString(sample);
-		} catch (BindingException e) {
-			return e.toString();
-		}
-	}
-	
-	class FieldAdapter {
-		/** Binding of the field, with possible optionalbinding stripped */
-		Binding binding;
-		
-		/// Adapter1 is cached adapter for setValue  
-		Binding adapter1binding;
-		Adapter adapter1;
-		
-		/// Adapter2 is cached adapter for getValue
-		Binding adapter2binding;
-		Adapter adapter2;
-		
-		/** Field index in sample record */
-		int index;
-		
-		/** Field name */
-		String fieldName;
-		
-		public FieldAdapter(String fieldName) {
-			this.fieldName = fieldName;
-			index = ValueBand.this.binding.type().getComponentIndex2( fieldName );
-			if (index<0) return;
-			
-			this.binding = ValueBand.this.binding.getComponentBinding(index);
-		}
-		
-		public boolean getBooleanValue() throws HistoryException {
-			if (sample == null || index==-1) return false;
-			try {
-				Object value = ValueBand.this.binding.getComponent(sample, index);
-				if (binding instanceof BooleanBinding) {
-					return ValueBand.this.binding.getBoolean(sample, index);
-//					BooleanBinding bb = (BooleanBinding) binding;
-//					return bb.getValue_( value );
-				}
-				if (binding instanceof ByteBinding) {
-					ByteBinding nb = (ByteBinding) binding;
-					return nb.getValue_( value ) != 0;
-				}
-				if (binding instanceof DoubleBinding) {
-					DoubleBinding nb = (DoubleBinding) binding;
-					return nb.getValue_( value ) != 0.;
-				}
-				if (binding instanceof NumberBinding) {
-					NumberBinding nb = (NumberBinding) binding;
-					return nb.getValue( value ).doubleValue() != 0.;
-				}
-				return false;
-			} catch (BindingException e) {
-				throw new HistoryException( e );
-			}			
-		}
-
-		public double getDoubleValue() throws HistoryException {
-			if (sample == null || index==-1) return Double.NaN;
-			try {
-				// Read field from record
-				if (binding != Bindings.DOUBLE) {
-					Object result = ValueBand.this.binding.getComponent(sample, index);
-					result = Bindings.adapt(result, binding, Bindings.DOUBLE);
-					return (Double) result;
-				} else {
-					return ValueBand.this.binding.getDouble(sample, index);
-				}
-			} catch (BindingException e) {
-				throw new HistoryException( e );
-			} catch (AdaptException e) {
-				throw new HistoryException( e );
-			}			
-		}
-
-		public boolean isEnabled() {
-			return index>=0;
-		}
-		
-		/**
-		 * Get the value
-		 *  
-		 * @return value or null, if value is not available
-		 * @throws HistoryException
-		 */
-		public Object getValue() throws HistoryException {
-			if (sample == null || index==-1) return null;
-			try {
-				// Read field from record
-				Object result = ValueBand.this.binding.getComponent(sample, index);
-
-				return result;
-			} catch (BindingException e) {
-				throw new HistoryException( e );
-			}
-		}
-
-		/**
-		 * Get the value
-		 * @param binding
-		 * @return value in given binding or null, if value is not available
-		 * @throws HistoryException
-		 */
-		public Object getValue(Binding binding) throws HistoryException {
-			if (sample == null || index==-1) return null;
-			try {
-				// Read field from record
-				Object result = ValueBand.this.binding.getComponent(sample, index);
-				
-				// Adapt value
-				if ( binding != this.binding ) {
-					if ( binding != adapter2binding ) {
-						adapter2 = Bindings.adapterFactory.getAdapter(this.binding, binding, true, false);
-						adapter2binding = binding;
-					}
-					result = adapter2.adapt( result );
-				}
-
-				return result;
-			} catch (BindingException e) {
-				throw new HistoryException( e );
-			} catch (AdaptException e) {
-				throw new HistoryException( e );
-			} catch (AdapterConstructionException e) {
-				throw new HistoryException( e );
-			}
-		}
-		
-		public void setValue(Object object) throws HistoryException {
-			if (sample == null || index==-1) return;
-			setValue(binding, object);
-		}		
-					
-		public void setValue(Binding binding, Object object) throws HistoryException {
-			if (sample == null || index==-1) return;
-			
-			try {
-				// Adapt value			
-				if (this.binding != binding) {					
-					// Create new adapter
-					if (binding != adapter1binding) {
-						adapter1 = Bindings.adapterFactory.getAdapter(binding, this.binding, true, !binding.isImmutable());	
-						adapter1binding = binding;
-					}
-					
-					// Adapt
-					object = adapter1.adapt(object);	
-				}
-			
-				// Write value
-				ValueBand.this.binding.setComponent(sample, index, object);
-				
-			} catch (AdaptException e) {
-				throw new HistoryException( e ); 
-			} catch (BindingException e) {
-				throw new HistoryException( e ); 
-			} catch (AdapterConstructionException e) {
-				throw new HistoryException( e ); 
-			}
-		}		
-	
-		public boolean isNumeric() {
-			return binding instanceof NumberBinding;
-		}	
-	
-	}
-	
-}
+/*******************************************************************************
+ * Copyright (c) 2007, 2011 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.history.util;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.adapter.AdaptException;
+import org.simantics.databoard.adapter.Adapter;
+import org.simantics.databoard.adapter.AdapterConstructionException;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.binding.BooleanBinding;
+import org.simantics.databoard.binding.ByteBinding;
+import org.simantics.databoard.binding.DoubleBinding;
+import org.simantics.databoard.binding.FloatBinding;
+import org.simantics.databoard.binding.NumberBinding;
+import org.simantics.databoard.binding.RecordBinding;
+import org.simantics.databoard.binding.error.BindingException;
+import org.simantics.databoard.binding.error.RuntimeBindingException;
+import org.simantics.databoard.type.RecordType;
+import org.simantics.history.HistoryException;
+
+/**
+ * Value band is an utility class intended for reading and writing to samples.
+ * There are many different formats of samples, their fields, order and datatypes vary.
+ *
+ * @author toni.kalajainen
+ */
+public class ValueBand {
+	
+	public static final Byte QUALITY_GOOD = Byte.valueOf( (byte) 0 ); 
+	public static final Byte QUALITY_NOVALUE = Byte.valueOf( (byte) -1 ); 
+	
+	protected RecordBinding binding;
+	protected RecordType type;
+	protected Object sample;
+	
+	/** Field value cloners */
+	FieldAdapter timeField, endTimeField, valueField, lastValueField, avgField, medianField, minField, maxField, countField, qualityField;
+	/** Default value*/
+	Object defaultValue;
+	
+	public ValueBand(Binding sampleBinding)
+	{
+		if ( sampleBinding instanceof RecordBinding == false ) {
+			throw new IllegalArgumentException();
+		}
+		
+		this.binding = (RecordBinding) sampleBinding;		
+		type = this.binding.type();
+		
+		timeField = new FieldAdapter("time");
+		endTimeField = new FieldAdapter("endTime");
+		valueField = new FieldAdapter("value");
+		lastValueField = new FieldAdapter("lastValue");
+		avgField = new FieldAdapter("avg");
+		medianField = new FieldAdapter("median");
+		minField = new FieldAdapter("min");
+		maxField = new FieldAdapter("max");
+		countField = new FieldAdapter("count");
+		qualityField = new FieldAdapter("quality");
+				
+		try {
+			defaultValue = binding.createDefault();
+		} catch (BindingException e) {
+			throw new RuntimeBindingException( e );
+		}
+	}
+	
+	public ValueBand(Binding sampleBinding, Object sample)
+	{
+		this( sampleBinding );
+		this.sample = sample;
+	}
+	
+	
+	public void reset()
+	{
+		try {
+			binding.readFrom(binding, defaultValue, sample);
+		} catch (BindingException e) {
+			throw new RuntimeBindingException( e );
+		}
+	}
+	
+	public Binding getBinding()
+	{
+		return binding;
+	}
+
+	/**
+	 * Get the internal sample instance
+	 * 
+	 * @return the internal sample instance
+	 */
+	public Object getSample() {
+		return sample;
+	}
+
+	/**
+	 * Change the internal sample instance
+	 * 
+	 * @param sample
+	 */
+	public void setSample(Object sample) {
+		this.sample = sample;
+	}
+
+	/**
+	 * Write to the internal sample instance 
+	 * 
+	 * @param sample
+	 */
+	public void writeSample(Object sample) {
+		try {
+			binding.readFrom(binding, sample, this.sample);
+		} catch (BindingException e) {
+			throw new RuntimeBindingException(e);
+		}
+	}
+	
+	/**
+	 * Write to the internal sample instance 
+	 * 
+	 * @param binding
+	 * @param sample
+	 */
+	public void writeSample(Binding binding, Object sample) {
+		try {
+			binding.readFrom(binding, sample, this.sample);
+		} catch (BindingException e) {
+			throw new RuntimeBindingException(e);
+		}
+	}
+		
+	
+	/// Time ///
+	public boolean hasTime() {
+		return timeField.isEnabled();
+	}
+	
+	public Binding getTimeBinding() {
+		return timeField.binding;
+	}
+	
+	public Object getTime() throws HistoryException {
+		return timeField.getValue();
+	}
+
+	public Object getTime(Binding b) throws HistoryException {
+		return timeField.getValue(b);
+	}
+	
+	public double getTimeDouble() throws HistoryException {
+		return timeField.getDoubleValue();
+	}
+	
+	public void setTime(Object v) throws HistoryException {
+		timeField.setValue(v);
+	}
+	
+	public void setTime(Binding binding, Object v) throws HistoryException
+	{
+		timeField.setValue(binding, v);
+	}
+
+	/// EndTime ///
+	public boolean hasEndTime() {
+		return endTimeField.isEnabled();
+	}
+	
+	public Binding getEndTimeBinding() {
+		return endTimeField.binding;
+	}
+	
+	public Object getEndTime() throws HistoryException {
+		return endTimeField.getValue();
+	}
+
+	public Object getEndTime(Binding b) throws HistoryException {
+		return endTimeField.getValue(b);
+	}
+	
+	public double getEndTimeDouble() throws HistoryException {
+		return endTimeField.getDoubleValue();
+	}
+	
+	
+	public void setEndTime(Object v) throws HistoryException {
+		endTimeField.setValue(v);
+	}
+
+	public void setEndTime(Binding binding, Object v) throws HistoryException
+	{
+		endTimeField.setValue(binding, v);
+	}
+	
+	/// Value ///
+	public boolean hasValue() {
+		return valueField.isEnabled();
+	}
+	
+	public Binding getValueBinding() {
+		return valueField.binding;
+	}
+	
+	public Object getValue() throws HistoryException {
+		return valueField.getValue();
+	}
+
+	public Object getValue(Binding b) throws HistoryException {
+		return valueField.getValue(b);
+	}
+
+	public double getValueDouble() throws HistoryException {
+		return valueField.getDoubleValue();
+	}
+	
+	public Object getPossibleValue() throws HistoryException {
+		if ( isNullValue() ) return null;
+		return valueField.getValue();
+	}
+
+	public Object getPossibleValue(Binding b) throws HistoryException {
+		if ( isNullValue() ) return null;
+		return valueField.getValue(b);
+	}
+
+	public Double getPossibleValueDouble() throws HistoryException {
+		if ( isNullValue() ) return null;
+		return valueField.getDoubleValue();
+	}
+	
+	
+	public boolean getValueBoolean() throws HistoryException {
+		return valueField.getBooleanValue();
+	}
+	
+	public void setValue(Object v) throws HistoryException {
+		valueField.setValue(v);
+	}
+
+	public void setValue(Binding binding, Object v) throws HistoryException
+	{
+		valueField.setValue(binding, v);
+	}
+	
+	/// LastValue ///
+	public boolean hasLastValue() {
+		return lastValueField.isEnabled();
+	}
+	
+	public Binding getLastValueBinding() {
+		return lastValueField.binding;
+	}
+	
+	public Object getLastValue() throws HistoryException {
+		return lastValueField.getValue();
+	}
+
+	public Object getLastValue(Binding b) throws HistoryException {
+		return lastValueField.getValue(b);
+	}
+
+	public void setLastValue(Object v) throws HistoryException {
+		lastValueField.setValue(v);
+	}
+	
+	public void setLastValue(Binding binding, Object v) throws HistoryException {
+		lastValueField.setValue(binding, v);
+	}
+	
+	/// Avg ///
+	public boolean hasAvg() {
+		return avgField.isEnabled();
+	}
+	
+	public Binding getAvgBinding() {
+		return avgField.binding;
+	}
+	
+	public Object getAvg() throws HistoryException {
+		return avgField.getValue();
+	}
+
+	public Object getAvg(Binding b) throws HistoryException {
+		return avgField.getValue(b);
+	}
+	
+	public double getAvgDouble() throws HistoryException {
+		return avgField.getDoubleValue();
+	}	
+	
+	public void setAvg(Object v) throws HistoryException {
+		avgField.setValue(v);
+	}
+
+	public void setAvg(Binding binding, Object v) throws HistoryException
+	{
+		avgField.setValue(binding, v);
+	}
+	
+	/// Median ///
+	public boolean hasMedian() {
+		return medianField.isEnabled();
+	}
+	
+	public Binding getMedianBinding() {
+		return medianField.binding;
+	}
+	
+	public Object getMedian() throws HistoryException {
+		return medianField.getValue();
+	}
+
+	public Object getMedian(Binding b) throws HistoryException {
+		return medianField.getValue(b);
+	}
+	
+	public double getMedianDouble() throws HistoryException {
+		return medianField.getDoubleValue();
+	}
+	
+	public void setMedian(Object v) throws HistoryException {
+		medianField.setValue(v);
+	}
+
+	public void setMedian(Binding binding, Object v) throws HistoryException
+	{
+		medianField.setValue(binding, v);
+	}
+	
+	/// Min ///
+	public boolean hasMin() {
+		return minField.isEnabled();
+	}
+	
+	public Binding getMinBinding() {
+		return minField.binding;
+	}
+	
+	public Object getMin() throws HistoryException {
+		return minField.getValue();
+	}
+
+	public Object getMin(Binding b) throws HistoryException {
+		return minField.getValue(b);
+	}
+	
+	public double getMinDouble() throws HistoryException {
+		return minField.getDoubleValue();
+	}
+	
+	public void setMin(Object v) throws HistoryException {
+		minField.setValue(v);
+	}	
+
+	public void setMin(Binding binding, Object v) throws HistoryException
+	{
+		minField.setValue(binding, v);
+	}
+	
+	/// Max ///
+	public boolean hasMax() {
+		return maxField.isEnabled();
+	}
+	
+	public Binding getMaxBinding() {
+		return maxField.binding;
+	}
+	
+	public Object getMax() throws HistoryException {
+		return maxField.getValue();
+	}
+
+	public Object getMax(Binding b) throws HistoryException {
+		return maxField.getValue(b);
+	}
+	
+	public double getMaxDouble() throws HistoryException {
+		return maxField.getDoubleValue();
+	}
+	
+	public void setMax(Object v) throws HistoryException {
+		maxField.setValue(v);
+	}	
+	
+	public void setMax(Binding binding, Object v) throws HistoryException
+	{
+		maxField.setValue(binding, v);
+	}
+	
+	
+	/// Count ///
+	public boolean hasCount() {
+		return countField.isEnabled();
+	}
+	
+	public NumberBinding getCountBinding() {
+		return (NumberBinding) countField.binding;
+	}
+	
+	public int getCount() throws HistoryException {
+		Integer i = (Integer) countField.getValue( Bindings.INTEGER );
+		return i == null ? 0 : i;
+	}
+
+	public Object getCount(Binding b) throws HistoryException {
+		return countField.getValue(b);
+	}
+	
+	public void setCount(int v) throws HistoryException {
+		countField.setValue(Bindings.INTEGER, v);
+	}	
+
+	/// Quality ///
+	public boolean hasQuality() {
+		return qualityField.isEnabled();
+	}
+	
+	public Binding getQualityBinding() {
+		return qualityField.binding;
+	}
+	
+	public Object getQuality() throws HistoryException {
+		return qualityField.getValue();
+	}
+
+	public Object getQuality(Binding b) throws HistoryException {
+		return qualityField.getValue(b);
+	}
+	
+	public void setQuality(Object v) throws HistoryException {
+		qualityField.setValue(v);
+	}	
+
+	public void setQuality(Binding binding, Object v) throws HistoryException
+	{
+		qualityField.setValue(binding, v);
+	}
+	
+	
+	/**
+	 * Value band is a region of one or more samples.
+	 * This method returns true, if value band is expressed with a single sample.
+	 * 
+	 * If value band is expressed with two samples, there is start and end
+	 * sample. The format is typicaly simple (time, value).  
+	 * 
+	 * @return true if it can represent more than one sample
+	 */
+	public boolean isRanged()
+	{
+		return endTimeField.isEnabled();
+	}
+	
+	public boolean isValidValue() throws HistoryException {
+		return !isNanSample() && !isNullValue();
+	}
+
+	/**
+	 * Return true, if this sample 
+	 * 
+	 * @return true if the value is Not-a-number
+	 */
+	public boolean isNanSample() {
+		try {
+			if (valueField.binding instanceof DoubleBinding) {
+				DoubleBinding db = (DoubleBinding) valueField.binding;
+				double d = db.getValue_( binding.getComponent(sample, valueField.index) );
+				return Double.isNaN( d );
+			}
+			if (valueField.binding instanceof FloatBinding) {
+				FloatBinding db = (FloatBinding) valueField.binding;
+				float d = db.getValue_( binding.getComponent(sample, valueField.index) );
+				return Float.isNaN( d );
+			}
+			return false;
+		} catch (BindingException e) {
+			return false;
+		}
+	}
+	
+	/**
+	 * Returns true, if this sample format supports a way to express 
+	 * discontinuation regions. 
+	 * 
+	 * @return true if can support discontinuation
+	 */
+	public boolean supportsNullValue() {
+		return qualityField.isEnabled();
+	}
+	
+	/**
+	 * Marks this sample as discontinuation sample
+	 * @throws HistoryException 
+	 */
+	public void setValueNull() throws HistoryException {
+		qualityField.setValue(Bindings.BYTE, QUALITY_NOVALUE);
+	}
+	
+	/**
+	 * Returns true, if the sample is discontinuation sample
+	 * 
+	 * @return true, if the sample is discontinuation sample
+	 * @throws HistoryException 
+	 */
+	public boolean isNullValue() throws HistoryException {
+		Byte b = (Byte) qualityField.getValue(Bindings.BYTE);
+		return b == null ? false : b.equals( QUALITY_NOVALUE );
+	}
+	
+	public boolean isNumericValue() {
+		return valueField.isNumeric();
+	}
+	
+	@Override
+	public String toString() {
+		try {
+			return binding.toString(sample);
+		} catch (BindingException e) {
+			return e.toString();
+		}
+	}
+	
+	class FieldAdapter {
+		/** Binding of the field, with possible optionalbinding stripped */
+		Binding binding;
+		
+		/// Adapter1 is cached adapter for setValue  
+		Binding adapter1binding;
+		Adapter adapter1;
+		
+		/// Adapter2 is cached adapter for getValue
+		Binding adapter2binding;
+		Adapter adapter2;
+		
+		/** Field index in sample record */
+		int index;
+		
+		/** Field name */
+		String fieldName;
+		
+		public FieldAdapter(String fieldName) {
+			this.fieldName = fieldName;
+			index = ValueBand.this.binding.type().getComponentIndex2( fieldName );
+			if (index<0) return;
+			
+			this.binding = ValueBand.this.binding.getComponentBinding(index);
+		}
+		
+		public boolean getBooleanValue() throws HistoryException {
+			if (sample == null || index==-1) return false;
+			try {
+				Object value = ValueBand.this.binding.getComponent(sample, index);
+				if (binding instanceof BooleanBinding) {
+					return ValueBand.this.binding.getBoolean(sample, index);
+//					BooleanBinding bb = (BooleanBinding) binding;
+//					return bb.getValue_( value );
+				}
+				if (binding instanceof ByteBinding) {
+					ByteBinding nb = (ByteBinding) binding;
+					return nb.getValue_( value ) != 0;
+				}
+				if (binding instanceof DoubleBinding) {
+					DoubleBinding nb = (DoubleBinding) binding;
+					return nb.getValue_( value ) != 0.;
+				}
+				if (binding instanceof NumberBinding) {
+					NumberBinding nb = (NumberBinding) binding;
+					return nb.getValue( value ).doubleValue() != 0.;
+				}
+				return false;
+			} catch (BindingException e) {
+				throw new HistoryException( e );
+			}			
+		}
+
+		public double getDoubleValue() throws HistoryException {
+			if (sample == null || index==-1) return Double.NaN;
+			try {
+				// Read field from record
+				if (binding != Bindings.DOUBLE) {
+					Object result = ValueBand.this.binding.getComponent(sample, index);
+					result = Bindings.adapt(result, binding, Bindings.DOUBLE);
+					return (Double) result;
+				} else {
+					return ValueBand.this.binding.getDouble(sample, index);
+				}
+			} catch (BindingException e) {
+				throw new HistoryException( e );
+			} catch (AdaptException e) {
+				throw new HistoryException( e );
+			}			
+		}
+
+		public boolean isEnabled() {
+			return index>=0;
+		}
+		
+		/**
+		 * Get the value
+		 *  
+		 * @return value or null, if value is not available
+		 * @throws HistoryException
+		 */
+		public Object getValue() throws HistoryException {
+			if (sample == null || index==-1) return null;
+			try {
+				// Read field from record
+				Object result = ValueBand.this.binding.getComponent(sample, index);
+
+				return result;
+			} catch (BindingException e) {
+				throw new HistoryException( e );
+			}
+		}
+
+		/**
+		 * Get the value
+		 * @param binding
+		 * @return value in given binding or null, if value is not available
+		 * @throws HistoryException
+		 */
+		public Object getValue(Binding binding) throws HistoryException {
+			if (sample == null || index==-1) return null;
+			try {
+				// Read field from record
+				Object result = ValueBand.this.binding.getComponent(sample, index);
+				
+				// Adapt value
+				if ( binding != this.binding ) {
+					if ( binding != adapter2binding ) {
+						adapter2 = Bindings.adapterFactory.getAdapter(this.binding, binding, true, false);
+						adapter2binding = binding;
+					}
+					result = adapter2.adapt( result );
+				}
+
+				return result;
+			} catch (BindingException e) {
+				throw new HistoryException( e );
+			} catch (AdaptException e) {
+				throw new HistoryException( e );
+			} catch (AdapterConstructionException e) {
+				throw new HistoryException( e );
+			}
+		}
+		
+		public void setValue(Object object) throws HistoryException {
+			if (sample == null || index==-1) return;
+			setValue(binding, object);
+		}		
+					
+		public void setValue(Binding binding, Object object) throws HistoryException {
+			if (sample == null || index==-1) return;
+			
+			try {
+				// Adapt value			
+				if (this.binding != binding) {					
+					// Create new adapter
+					if (binding != adapter1binding) {
+						adapter1 = Bindings.adapterFactory.getAdapter(binding, this.binding, true, !binding.isImmutable());	
+						adapter1binding = binding;
+					}
+					
+					// Adapt
+					object = adapter1.adapt(object);	
+				}
+			
+				// Write value
+				ValueBand.this.binding.setComponent(sample, index, object);
+				
+			} catch (AdaptException e) {
+				throw new HistoryException( e ); 
+			} catch (BindingException e) {
+				throw new HistoryException( e ); 
+			} catch (AdapterConstructionException e) {
+				throw new HistoryException( e ); 
+			}
+		}		
+	
+		public boolean isNumeric() {
+			return binding instanceof NumberBinding;
+		}	
+	
+	}
+	
+}