X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Futil%2FBean.java;h=258adf2425a9f6ebc63933e145eeb1c0a8cc5724;hb=77921feee3f8331ab54796ff0832921405bea874;hp=bf47f76937774c46c5a31e9423e58e00789d1273;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/util/Bean.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/util/Bean.java
index bf47f7693..258adf242 100644
--- a/bundles/org.simantics.databoard/src/org/simantics/databoard/util/Bean.java
+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/util/Bean.java
@@ -1,640 +1,640 @@
-/*******************************************************************************
- * 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.databoard.util;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.io.OutputStream;
-import java.util.Random;
-
-import org.simantics.databoard.Bindings;
-import org.simantics.databoard.Files;
-import org.simantics.databoard.adapter.AdaptException;
-import org.simantics.databoard.adapter.RuntimeAdaptException;
-import org.simantics.databoard.binding.Binding;
-import org.simantics.databoard.binding.OptionalBinding;
-import org.simantics.databoard.binding.RecordBinding;
-import org.simantics.databoard.binding.error.BindingException;
-import org.simantics.databoard.binding.error.RuntimeBindingException;
-import org.simantics.databoard.binding.util.RandomValue;
-import org.simantics.databoard.parser.repository.DataTypeSyntaxError;
-import org.simantics.databoard.parser.repository.DataValueRepository;
-import org.simantics.databoard.serialization.Serializer;
-import org.simantics.databoard.serialization.SerializerConstructionException;
-import org.simantics.databoard.type.Component;
-import org.simantics.databoard.type.Datatype;
-
-/**
- * Record classes enable databoard features by sub-classing Bean.
- * 
- * Instructions, the fields must be public, or have public get/setters.
- * Sub-class gains the following services: 
- * 
- *   toString         #toString()
- *   string           #print() / #parse()
- *   Hash-Equals      #hashCode()  / #equals()
- *   Comparable       #compareTo()
- *   Serialization    #serialize()/#deserialize(), #readObject()/#writeObject(), #readFile()/#writeFile() 
- *   Cloning          #clone() / #readFrom()
- *   Initialization   #init() / #setToDefault() / #setToRandom()
- *   
- * The class must be compatible with databoard's type system. 
- * 
- * See BeanExample for example.
- * 
- * The identify of this class is composed from all the fields. The identity
- * affects to the behavior how hash and equals are counted.
- *  
- * If only some fields compose the hash-equals-compareTo identity, use {@link Bean.Id} instead. 
- * In this case the identifying fields have @Identity annotation. 
- * 
- * Example:
- * 
- * public class MyClass extends Bean.Id {
- *   public @Identify String id;
- *   ...
- * }
- * 
- * @author toni.kalajainen
- */
-public class Bean implements Cloneable, /*Serializable, */Comparable<Bean> {
-	
-	transient protected RecordBinding binding;
-	
-	protected Bean() {
-		this.binding = Bindings.getBindingUnchecked( getClass() );
-	}
-	
-	protected Bean(Binding binding) {
-		this.binding = (RecordBinding) binding;
-	}
-		
-	/**
-	 * Return datatype binding to this class.
-	 *  
-	 * @return record binding
-	 */
-	public RecordBinding getBinding() {
-		return binding;
-	}
-	
-	/**
-	 * Read all field values from another object. All fields are deep-cloned, 
-	 * except immutable values which are referenced.
-	 * 
-	 * @param other
-	 */
-	public void readFrom(Bean other) {	
-		binding.readFromUnchecked(other.binding, other, this);
-	}
-	
-	public void readAvailableFields(Bean other) {
-		if ( other.binding instanceof RecordBinding == false ) return;
-		Component components[] = binding.type().getComponents(); 
-		for (int i=0; i<components.length; i++) {
-			Component c = components[i];
-			int ix = other.binding.getComponentIndex(c.name);
-			if ( ix<0 ) continue;
-			try {
-				Object value = other.binding.getComponent(other, ix);
-				Object value2 = Bindings.adapt(value, other.binding.getComponentBinding(ix), binding.getComponentBinding(i));
-				binding.setComponent(this, i, value2);
-			} catch (AdaptException e) {
-				throw new RuntimeException(e);
-			} catch (BindingException e) {
-				throw new RuntimeBindingException(e);
-			}			
-		}
-	}
-	
-	/**
-	 * Set default value to any null field that is not optional. 
-	 */
-	public void init() {
-		try {
-			// Set value to uninitialized fields
-			for (int i=0; i<binding.getComponentCount(); i++) {
-				Object v = binding.getComponent(this, i);
-				Binding cb = binding.componentBindings[i];
-				if (v==null && cb instanceof OptionalBinding==false) {
-					v = cb.createDefault();
-					binding.setComponent(this, i, v);
-				}				
-			}
-		} catch (BindingException e) {
-			throw new RuntimeBindingException(e);
-		}
-	}
-	
-	/**
-	 * Sets all fields to default values. 
-	 * Strings are set to "", arrays cleared or set to minimum count,
-	 * numbers are set to 0.
-	 */
-	public void setToDefault() {
-		for (int i=0; i<binding.componentBindings.length; i++)
-		{
-			Binding cb = binding.componentBindings[i]; 
-			try {
-				binding.setComponent(this, i, cb.createDefault());
-			} catch (BindingException e) {
-			}
-		}
-	}
-	
-	/**
-	 * Sets all fields with random values
-	 */
-	public void setToRandom(Random random) {
-		RandomValue rv = new RandomValue( random );
-		for (int i=0; i<binding.componentBindings.length; i++)
-		{
-			Binding cb = binding.componentBindings[i]; 
-			try {
-				binding.setComponent(this, i, cb.createRandom( rv ));
-			} catch (BindingException e) {
-			}
-		}
-	}
-	
-	@Override
-	public int hashCode() {
-		try {
-			return binding.hashValue( this );
-		} catch (BindingException e) {
-			return -1;
-		}
-	}
-	
-	@Override
-	public Bean clone() {
-		try {
-			return (Bean) binding.clone(this);
-		} catch (AdaptException e) {
-			throw new RuntimeAdaptException(e);
-		}
-	}
-	
-	/**
-	 * Compare to another bean of same datatype. (Can be different binding)
-	 */
-	@Override
-	public boolean equals(Object obj) {
-		if (obj==null) return false;
-		if (obj==this) return true;
-		if ( obj instanceof Bean == false ) return false;
-		Bean other = (Bean) obj;
-		if (other.binding==binding)	{
-			return binding.equals(this, obj);
-		} else {
-			try {
-				return Bindings.equals(binding, this, other.binding, other);
-			} catch (BindingException e) {
-				throw new RuntimeBindingException(e);
-			} 
-		}
-	}
-	
-	public boolean equalContents(Object obj) {
-		if (obj==null) return false;
-		if (obj==this) return true;
-		Bean other = (Bean) obj;
-		if (other.binding==binding)	{
-			return binding.equals(this, obj);
-		} else {
-			try {
-				return Bindings.equals(binding, this, other.binding, other);
-			} catch (BindingException e) {
-				throw new RuntimeBindingException(e);
-			} 
-		}
-	}	
-
-	@Override
-	public int compareTo(Bean o) {
-		if (o==null) return -1;
-		return binding.compare(this, o);
-	}
-
-	/**
-	 * Print the object as string
-	 * @return toString()
-	 */
-	@Override
-	public String toString() {
-		try {
-			return binding.toString(this);
-		} catch (BindingException e) {
-			return e.getMessage();
-		}
-	}
-	
-	/**
-	 * Print the value in string format 
-	 * 
-	 * @param out
-	 * @throws IOException
-	 */
-	public void print(Appendable out) throws IOException {
-		try {
-			DataValueRepository rep = new DataValueRepository();
-			binding.printValue(this, out, rep, false);
-		} catch (BindingException e) {
-			throw new RuntimeBindingException(e);
-		}
-	}
-	
-	/**
-	 * Print the value to Databoard string format
-	 * 
-	 * @return Bean in Databoard string format
-	 * @throws IOException
-	 */
-	public String print() throws IOException {
-		try {
-			StringBuilder sb = new StringBuilder();
-			DataValueRepository rep = new DataValueRepository();
-			binding.printValue(this, sb, rep, false);
-			return sb.toString();
-			
-			/*			StringBuilder sb = new StringBuilder();
-			DataValueRepository rep = new DataValueRepository();
-			rep.setTypeRepository( Datatypes.datatypeRepository );
-			DataValuePrinter vp = new DataValuePrinter(sb, rep);
-			vp.setFormat( PrintFormat.MULTI_LINE );
-			DataTypePrinter tp = new DataTypePrinter( sb );
-			tp.setLinedeed( true );
-			rep.put("value", binding, this);
-
-			for (String name : rep.getValueNames()) {
-				MutableVariant value = rep.get(name);
-				Datatype type = value.type();
-				tp.print(type);
-				vp.print(value);			
-			}	
-			
-			for (String name : rep.getValueNames()) {
-				MutableVariant value = rep.get(name);
-				Datatype type = value.type();
-				sb.append( name+" : " );
-				tp.print(type);
-				sb.append( " = " );
-				vp.print(value);			
-				sb.append("\n");
-			}
-			System.out.println(sb);
-			return sb.toString();
-*/
-		} catch (BindingException e) {
-			throw new RuntimeBindingException(e);
-		}
-	}
-	
-	/**
-	 * Print the value to Databoard string format
-	 * 
-	 * @return string representation in a line
-	 * @throws IOException
-	 */
-	public String printLine() throws IOException {
-		try {
-			StringBuilder sb = new StringBuilder();
-			DataValueRepository rep = new DataValueRepository();
-			binding.printValue(this, sb, rep, true);
-			return sb.toString();
-		} catch (BindingException e) {
-			throw new RuntimeBindingException(e);
-		}
-	}
-
-	/**
-	 * Read the contents from Databoard String
-	 * @param str
-	 * @throws DataTypeSyntaxError
-	 */
-	public void parse( String str ) throws DataTypeSyntaxError {
-		try {
-			DataValueRepository rep = new DataValueRepository();
-			Object v = binding.parseValue( str, rep );
-			init();
-			binding.readFrom(binding, v, this);		
-		} catch (BindingException e) {
-			throw new RuntimeBindingException( e );
-		}
-	}
-	
-	public void readObject(ObjectInputStream in) throws ClassNotFoundException, IOException {
-		try {
-			Serializer s = Bindings.getSerializer(binding);
-			s.deserialize((InputStream)in, this);
-		} catch (SerializerConstructionException e) {
-			throw new IOException(e);
-		}
-	}
-
-    public void writeObject(ObjectOutputStream out) throws IOException {
-		try {
-			Serializer s = Bindings.getSerializer(binding);
-			s.serialize((OutputStream) out, this);
-		} catch (SerializerConstructionException e) {
-			throw new IOException(e);
-		}
-    }
-    
-    /**
-     * Serialize the object to a byte array
-     * 
-     * @return bean as serialized
-     * @throws IOException
-     */
-    public byte[] serialize() throws IOException {
-		try {
-			Serializer s = Bindings.getSerializer(binding);
-			return s.serialize( this );
-		} catch (SerializerConstructionException e) {
-			throw new IOException(e);
-		}
-    }
-
-    /**
-     * Deserialize the object from a byte array
-     * 
-     * @param data
-     * @throws IOException
-     */
-    public void deserialize( byte[] data ) throws IOException {
-		try {
-			Serializer s = Bindings.getSerializer(binding);
-			init();			
-			s.deserialize(data, this);
-		} catch (SerializerConstructionException e) {
-			throw new IOException(e);
-		}    	
-    }
-    
-    public void readFile( File file ) throws IOException {
-    	init();
-    	Files.readFile(file, binding, this);
-    }
-    
-    public void writeFile( File file ) throws IOException {
-    	Files.writeFile(file, binding, this);
-    }
-
-	public void assertIsValid() throws BindingException {
-		binding.assertInstaceIsValid(this);
-	}
-	
-	public void setField(String fieldName, Binding fieldBinding, Object field) throws BindingException {
-		try {
-			int index = binding.getComponentIndex(fieldName);
-			if ( index<0 ) throw new BindingException("There is no field "+fieldName);
-			Binding localFieldBinding = binding.getComponentBinding(index);
-			if ( localFieldBinding instanceof OptionalBinding ) {
-				OptionalBinding ob = (OptionalBinding) localFieldBinding;
-				if ( field == null ) {
-					binding.setComponent(this, index, ob.createNoValue());
-				} else {
-					Object newValue = Bindings.adapt(field, fieldBinding, ob.componentBinding);
-					binding.setComponent(this, index, ob.createValue(newValue));
-				}
-			} else {
-				Object newValue = Bindings.adapt(field, fieldBinding, localFieldBinding);
-				binding.setComponent(this, index, newValue);
-			}
-		} catch (AdaptException e) {
-			if ( e.getCause() !=null && e.getCause() instanceof BindingException ) throw (BindingException) e.getCause();
-			throw new BindingException(e);
-		}
-	}
-
-	public void setField(int fieldIndex, Binding fieldBinding, Object field) throws BindingException {
-		try {
-			if ( fieldIndex<0 ) throw new BindingException("There is no field #"+fieldIndex);
-			Binding localFieldBinding = binding.getComponentBinding(fieldIndex);
-			if ( localFieldBinding instanceof OptionalBinding ) {
-				OptionalBinding ob = (OptionalBinding) localFieldBinding;
-				if ( field == null ) {
-					binding.setComponent(this, fieldIndex, ob.createNoValue());
-				} else {
-					Object newValue = Bindings.adapt(field, fieldBinding, ob.componentBinding);
-					binding.setComponent(this, fieldIndex, ob.createValue(newValue));
-				}
-			} else {
-				Object newValue = Bindings.adapt(field, fieldBinding, localFieldBinding);
-				binding.setComponent(this, fieldIndex, newValue);
-			}
-		} catch (AdaptException e) {
-			if ( e.getCause() !=null && e.getCause() instanceof BindingException ) throw (BindingException) e.getCause();
-			throw new BindingException(e);
-		}
-	}
-	
-	public boolean hasField(String fieldName) throws BindingException {
-		return binding.getComponentIndex(fieldName)>=0;
-	}
-	
-	/**
-	 * Get binding of a field
-	 * 
-	 * @param fieldName
-	 * @return binding or null of field does not exist
-	 * @throws BindingException
-	 */
-	public Binding getFieldBinding(String fieldName) throws BindingException {
-		int index = binding.getComponentIndex(fieldName);
-		if ( index<0 ) return null;
-		Binding r = binding.getComponentBinding(index);
-		if ( r!=null && r instanceof OptionalBinding ) {
-			r = ((OptionalBinding)r).componentBinding;
-		}
-		return r;
-	}
-	
-	/**
-	 * Get value of a field
-	 * @param fieldName
-	 * @return value or null if field does not exist
-	 * @throws BindingException
-	 */
-	public Object getField(String fieldName) throws BindingException {
-		int index = binding.type().getComponentIndex2(fieldName);
-		if (index<0) return null;
-		return binding.getComponent(this, index);
-	}
-	
-	/**
-	 * Get value of a field
-	 * @param fieldName
-	 * @return value or null if field does not exist
-	 * @throws BindingException
-	 */
-	public Object getField(int fieldIndex) throws BindingException {
-		return binding.getComponent(this, fieldIndex);
-	}
-	
-	/**
-	 * Get value of a field
-	 * @param fieldName
-	 * @param binding requested binding
-	 * @return value or null if field does not exist
-	 * @throws BindingException
-	 */
-	public Object getField(String fieldName, Binding binding) throws BindingException {
-		int index = this.binding.type().getComponentIndex2(fieldName);
-		if (index<0) return null;		
-		Object obj = this.binding.getComponent(this, index);
-		if ( obj == null ) return null;
-		Binding fieldBinding = this.binding.getComponentBinding(index);
-		if ( fieldBinding instanceof OptionalBinding ) {
-			fieldBinding = ((OptionalBinding)fieldBinding).componentBinding;
-		}
-		try {
-			return Bindings.adapt(obj, fieldBinding, binding);
-		} catch (AdaptException e) {
-			if ( e.getCause() !=null && e.getCause() instanceof BindingException ) throw (BindingException) e.getCause();
-			throw new BindingException(e);
-		}
-	}
-
-	/**
-	 * Get value of a field
-	 * @param fieldName
-	 * @return value or null if field does not exist
-	 * @throws RuntimeBindingException
-	 */
-	public Object getFieldUnchecked(String fieldName) throws RuntimeBindingException {
-		int index = binding.type().getComponentIndex2(fieldName);
-		if (index<0) return null;
-		try {
-			return binding.getComponent(this, index);
-		} catch (BindingException e) {
-			throw new RuntimeBindingException(e);
-		}
-	}
-	
-	/**
-	 * Get value of a field
-	 * @param fieldName
-	 * @return value or null if field does not exist
-	 * @throws RuntimeBindingException
-	 */
-	public Object getFieldUnchecked(int fieldIndex) throws RuntimeBindingException {
-		try {
-			return binding.getComponent(this, fieldIndex);
-		} catch (BindingException e) {
-			throw new RuntimeBindingException(e);
-		}
-	}
-	
-	/**
-	 * Get identifier binding. Use @Identifier annotation to indicate which 
-	 * fields compose the identifier of the record.
-	 *  
-	 * @return idenfitier binding. 
-	 * @throws BindingException there is no identifier
-	 */
-	public Binding getIdentifierBinding() throws BindingException {
-		Datatype idType = binding.type().getIdentifierType();
-		if (idType == null) throw new BindingException("There is are no @Identifier fields in the bean");
-		return Bindings.getBinding( idType );
-	}
-	
-	/**
-	 * Get identifier of the object. Use @Identifier annotation to indicate which
-	 * fields compose the identifier of the record.
-	 * 
-	 * @return identifier
-	 * @throws BindingException
-	 */
-	public Object getIdentifier() throws BindingException 
-	{
-		int ids[] = binding.type().getIdentifiers();
-		if (ids.length == 0) throw new BindingException("There is are no @Identifier fields in the bean");
-		if (ids.length == 1) return binding.getComponent(this, ids[0]);
-		RecordBinding rb = (RecordBinding) getIdentifierBinding();
-		Object result = rb.createPartial();
-		int ix = 0;
-		for (int i : ids) {
-			rb.setComponent(result, ix++, binding.getComponent(this, i));
-		}
-		return result;
-	}
-	
-	/**
-	 * In this version of the bean, the hash/equals compares to identifiers.
-	 * Identifier is a field with @Idenfitier annotation. 
-	 */
-	public static class Id extends Bean {
-		protected Id() {}
-		protected Id(Binding binding) {
-			super(binding);
-		}
-
-		@Override
-		public int hashCode() {
-			int hash = 0;
-			try {
-				for (int index : binding.type().getIdentifiers())
-				{
-					Object c = binding.getComponent(this, index);
-					Binding cb = binding.getComponentBinding(index);
-					hash = 13*hash + cb.hashValue(c);
-				}
-			} catch (BindingException e) {
-			}
-			return hash;
-		}
-		
-		/**
-		 * Compare to another bean of same datatype for equal identifier. (Can be different binding)
-		 */
-		@Override
-		public boolean equals(Object obj) {
-			if (obj==null) return false;
-			if (obj==this) return true;
-			if ( obj instanceof Bean == false ) return false;
-			Bean other = (Bean) obj;
-			try {
-				if (other.binding==binding)	{
-					
-					for (int index : binding.type().getIdentifiers())
-					{
-						Object tc = binding.getComponent(this, index);
-						Object oc = binding.getComponent(other, index);
-						Binding cb = binding.getComponentBinding(index);
-						if ( !cb.equals(tc, oc) ) return false;
-					}
-					
-				} else {
-
-					for (int index : binding.type().getIdentifiers())
-					{
-						Object tc = binding.getComponent(this, index);
-						Object oc = binding.getComponent(other, index);
-						Binding tcb = binding.getComponentBinding(index);
-						Binding ocb = other.binding.getComponentBinding(index);
-						if ( !Bindings.equals(tcb, tc, ocb, oc) ) return false;
-					}
-				}
-				return true;
-			} catch (BindingException e) {
-				throw new RuntimeBindingException(e);
-			} 
-		}
-				
-	}
-
-}
+/*******************************************************************************
+ * 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.databoard.util;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.OutputStream;
+import java.util.Random;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.Files;
+import org.simantics.databoard.adapter.AdaptException;
+import org.simantics.databoard.adapter.RuntimeAdaptException;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.binding.OptionalBinding;
+import org.simantics.databoard.binding.RecordBinding;
+import org.simantics.databoard.binding.error.BindingException;
+import org.simantics.databoard.binding.error.RuntimeBindingException;
+import org.simantics.databoard.binding.util.RandomValue;
+import org.simantics.databoard.parser.repository.DataTypeSyntaxError;
+import org.simantics.databoard.parser.repository.DataValueRepository;
+import org.simantics.databoard.serialization.Serializer;
+import org.simantics.databoard.serialization.SerializerConstructionException;
+import org.simantics.databoard.type.Component;
+import org.simantics.databoard.type.Datatype;
+
+/**
+ * Record classes enable databoard features by sub-classing Bean.
+ * 
+ * Instructions, the fields must be public, or have public get/setters.
+ * Sub-class gains the following services: 
+ * 
+ *   toString         #toString()
+ *   string           #print() / #parse()
+ *   Hash-Equals      #hashCode()  / #equals()
+ *   Comparable       #compareTo()
+ *   Serialization    #serialize()/#deserialize(), #readObject()/#writeObject(), #readFile()/#writeFile() 
+ *   Cloning          #clone() / #readFrom()
+ *   Initialization   #init() / #setToDefault() / #setToRandom()
+ *   
+ * The class must be compatible with databoard's type system. 
+ * 
+ * See BeanExample for example.
+ * 
+ * The identify of this class is composed from all the fields. The identity
+ * affects to the behavior how hash and equals are counted.
+ *  
+ * If only some fields compose the hash-equals-compareTo identity, use {@link Bean.Id} instead. 
+ * In this case the identifying fields have @Identity annotation. 
+ * 
+ * Example:
+ * 
+ * public class MyClass extends Bean.Id {
+ *   public @Identify String id;
+ *   ...
+ * }
+ * 
+ * @author toni.kalajainen
+ */
+public class Bean implements Cloneable, /*Serializable, */Comparable<Bean> {
+	
+	transient protected RecordBinding binding;
+	
+	protected Bean() {
+		this.binding = Bindings.getBindingUnchecked( getClass() );
+	}
+	
+	protected Bean(Binding binding) {
+		this.binding = (RecordBinding) binding;
+	}
+		
+	/**
+	 * Return datatype binding to this class.
+	 *  
+	 * @return record binding
+	 */
+	public RecordBinding getBinding() {
+		return binding;
+	}
+	
+	/**
+	 * Read all field values from another object. All fields are deep-cloned, 
+	 * except immutable values which are referenced.
+	 * 
+	 * @param other
+	 */
+	public void readFrom(Bean other) {	
+		binding.readFromUnchecked(other.binding, other, this);
+	}
+	
+	public void readAvailableFields(Bean other) {
+		if ( other.binding instanceof RecordBinding == false ) return;
+		Component components[] = binding.type().getComponents(); 
+		for (int i=0; i<components.length; i++) {
+			Component c = components[i];
+			int ix = other.binding.getComponentIndex(c.name);
+			if ( ix<0 ) continue;
+			try {
+				Object value = other.binding.getComponent(other, ix);
+				Object value2 = Bindings.adapt(value, other.binding.getComponentBinding(ix), binding.getComponentBinding(i));
+				binding.setComponent(this, i, value2);
+			} catch (AdaptException e) {
+				throw new RuntimeException(e);
+			} catch (BindingException e) {
+				throw new RuntimeBindingException(e);
+			}			
+		}
+	}
+	
+	/**
+	 * Set default value to any null field that is not optional. 
+	 */
+	public void init() {
+		try {
+			// Set value to uninitialized fields
+			for (int i=0; i<binding.getComponentCount(); i++) {
+				Object v = binding.getComponent(this, i);
+				Binding cb = binding.componentBindings[i];
+				if (v==null && cb instanceof OptionalBinding==false) {
+					v = cb.createDefault();
+					binding.setComponent(this, i, v);
+				}				
+			}
+		} catch (BindingException e) {
+			throw new RuntimeBindingException(e);
+		}
+	}
+	
+	/**
+	 * Sets all fields to default values. 
+	 * Strings are set to "", arrays cleared or set to minimum count,
+	 * numbers are set to 0.
+	 */
+	public void setToDefault() {
+		for (int i=0; i<binding.componentBindings.length; i++)
+		{
+			Binding cb = binding.componentBindings[i]; 
+			try {
+				binding.setComponent(this, i, cb.createDefault());
+			} catch (BindingException e) {
+			}
+		}
+	}
+	
+	/**
+	 * Sets all fields with random values
+	 */
+	public void setToRandom(Random random) {
+		RandomValue rv = new RandomValue( random );
+		for (int i=0; i<binding.componentBindings.length; i++)
+		{
+			Binding cb = binding.componentBindings[i]; 
+			try {
+				binding.setComponent(this, i, cb.createRandom( rv ));
+			} catch (BindingException e) {
+			}
+		}
+	}
+	
+	@Override
+	public int hashCode() {
+		try {
+			return binding.hashValue( this );
+		} catch (BindingException e) {
+			return -1;
+		}
+	}
+	
+	@Override
+	public Bean clone() {
+		try {
+			return (Bean) binding.clone(this);
+		} catch (AdaptException e) {
+			throw new RuntimeAdaptException(e);
+		}
+	}
+	
+	/**
+	 * Compare to another bean of same datatype. (Can be different binding)
+	 */
+	@Override
+	public boolean equals(Object obj) {
+		if (obj==null) return false;
+		if (obj==this) return true;
+		if ( obj instanceof Bean == false ) return false;
+		Bean other = (Bean) obj;
+		if (other.binding==binding)	{
+			return binding.equals(this, obj);
+		} else {
+			try {
+				return Bindings.equals(binding, this, other.binding, other);
+			} catch (BindingException e) {
+				throw new RuntimeBindingException(e);
+			} 
+		}
+	}
+	
+	public boolean equalContents(Object obj) {
+		if (obj==null) return false;
+		if (obj==this) return true;
+		Bean other = (Bean) obj;
+		if (other.binding==binding)	{
+			return binding.equals(this, obj);
+		} else {
+			try {
+				return Bindings.equals(binding, this, other.binding, other);
+			} catch (BindingException e) {
+				throw new RuntimeBindingException(e);
+			} 
+		}
+	}	
+
+	@Override
+	public int compareTo(Bean o) {
+		if (o==null) return -1;
+		return binding.compare(this, o);
+	}
+
+	/**
+	 * Print the object as string
+	 * @return toString()
+	 */
+	@Override
+	public String toString() {
+		try {
+			return binding.toString(this);
+		} catch (BindingException e) {
+			return e.getMessage();
+		}
+	}
+	
+	/**
+	 * Print the value in string format 
+	 * 
+	 * @param out
+	 * @throws IOException
+	 */
+	public void print(Appendable out) throws IOException {
+		try {
+			DataValueRepository rep = new DataValueRepository();
+			binding.printValue(this, out, rep, false);
+		} catch (BindingException e) {
+			throw new RuntimeBindingException(e);
+		}
+	}
+	
+	/**
+	 * Print the value to Databoard string format
+	 * 
+	 * @return Bean in Databoard string format
+	 * @throws IOException
+	 */
+	public String print() throws IOException {
+		try {
+			StringBuilder sb = new StringBuilder();
+			DataValueRepository rep = new DataValueRepository();
+			binding.printValue(this, sb, rep, false);
+			return sb.toString();
+			
+			/*			StringBuilder sb = new StringBuilder();
+			DataValueRepository rep = new DataValueRepository();
+			rep.setTypeRepository( Datatypes.datatypeRepository );
+			DataValuePrinter vp = new DataValuePrinter(sb, rep);
+			vp.setFormat( PrintFormat.MULTI_LINE );
+			DataTypePrinter tp = new DataTypePrinter( sb );
+			tp.setLinedeed( true );
+			rep.put("value", binding, this);
+
+			for (String name : rep.getValueNames()) {
+				MutableVariant value = rep.get(name);
+				Datatype type = value.type();
+				tp.print(type);
+				vp.print(value);			
+			}	
+			
+			for (String name : rep.getValueNames()) {
+				MutableVariant value = rep.get(name);
+				Datatype type = value.type();
+				sb.append( name+" : " );
+				tp.print(type);
+				sb.append( " = " );
+				vp.print(value);			
+				sb.append("\n");
+			}
+			System.out.println(sb);
+			return sb.toString();
+*/
+		} catch (BindingException e) {
+			throw new RuntimeBindingException(e);
+		}
+	}
+	
+	/**
+	 * Print the value to Databoard string format
+	 * 
+	 * @return string representation in a line
+	 * @throws IOException
+	 */
+	public String printLine() throws IOException {
+		try {
+			StringBuilder sb = new StringBuilder();
+			DataValueRepository rep = new DataValueRepository();
+			binding.printValue(this, sb, rep, true);
+			return sb.toString();
+		} catch (BindingException e) {
+			throw new RuntimeBindingException(e);
+		}
+	}
+
+	/**
+	 * Read the contents from Databoard String
+	 * @param str
+	 * @throws DataTypeSyntaxError
+	 */
+	public void parse( String str ) throws DataTypeSyntaxError {
+		try {
+			DataValueRepository rep = new DataValueRepository();
+			Object v = binding.parseValue( str, rep );
+			init();
+			binding.readFrom(binding, v, this);		
+		} catch (BindingException e) {
+			throw new RuntimeBindingException( e );
+		}
+	}
+	
+	public void readObject(ObjectInputStream in) throws ClassNotFoundException, IOException {
+		try {
+			Serializer s = Bindings.getSerializer(binding);
+			s.deserialize((InputStream)in, this);
+		} catch (SerializerConstructionException e) {
+			throw new IOException(e);
+		}
+	}
+
+    public void writeObject(ObjectOutputStream out) throws IOException {
+		try {
+			Serializer s = Bindings.getSerializer(binding);
+			s.serialize((OutputStream) out, this);
+		} catch (SerializerConstructionException e) {
+			throw new IOException(e);
+		}
+    }
+    
+    /**
+     * Serialize the object to a byte array
+     * 
+     * @return bean as serialized
+     * @throws IOException
+     */
+    public byte[] serialize() throws IOException {
+		try {
+			Serializer s = Bindings.getSerializer(binding);
+			return s.serialize( this );
+		} catch (SerializerConstructionException e) {
+			throw new IOException(e);
+		}
+    }
+
+    /**
+     * Deserialize the object from a byte array
+     * 
+     * @param data
+     * @throws IOException
+     */
+    public void deserialize( byte[] data ) throws IOException {
+		try {
+			Serializer s = Bindings.getSerializer(binding);
+			init();			
+			s.deserialize(data, this);
+		} catch (SerializerConstructionException e) {
+			throw new IOException(e);
+		}    	
+    }
+    
+    public void readFile( File file ) throws IOException {
+    	init();
+    	Files.readFile(file, binding, this);
+    }
+    
+    public void writeFile( File file ) throws IOException {
+    	Files.writeFile(file, binding, this);
+    }
+
+	public void assertIsValid() throws BindingException {
+		binding.assertInstaceIsValid(this);
+	}
+	
+	public void setField(String fieldName, Binding fieldBinding, Object field) throws BindingException {
+		try {
+			int index = binding.getComponentIndex(fieldName);
+			if ( index<0 ) throw new BindingException("There is no field "+fieldName);
+			Binding localFieldBinding = binding.getComponentBinding(index);
+			if ( localFieldBinding instanceof OptionalBinding ) {
+				OptionalBinding ob = (OptionalBinding) localFieldBinding;
+				if ( field == null ) {
+					binding.setComponent(this, index, ob.createNoValue());
+				} else {
+					Object newValue = Bindings.adapt(field, fieldBinding, ob.componentBinding);
+					binding.setComponent(this, index, ob.createValue(newValue));
+				}
+			} else {
+				Object newValue = Bindings.adapt(field, fieldBinding, localFieldBinding);
+				binding.setComponent(this, index, newValue);
+			}
+		} catch (AdaptException e) {
+			if ( e.getCause() !=null && e.getCause() instanceof BindingException ) throw (BindingException) e.getCause();
+			throw new BindingException(e);
+		}
+	}
+
+	public void setField(int fieldIndex, Binding fieldBinding, Object field) throws BindingException {
+		try {
+			if ( fieldIndex<0 ) throw new BindingException("There is no field #"+fieldIndex);
+			Binding localFieldBinding = binding.getComponentBinding(fieldIndex);
+			if ( localFieldBinding instanceof OptionalBinding ) {
+				OptionalBinding ob = (OptionalBinding) localFieldBinding;
+				if ( field == null ) {
+					binding.setComponent(this, fieldIndex, ob.createNoValue());
+				} else {
+					Object newValue = Bindings.adapt(field, fieldBinding, ob.componentBinding);
+					binding.setComponent(this, fieldIndex, ob.createValue(newValue));
+				}
+			} else {
+				Object newValue = Bindings.adapt(field, fieldBinding, localFieldBinding);
+				binding.setComponent(this, fieldIndex, newValue);
+			}
+		} catch (AdaptException e) {
+			if ( e.getCause() !=null && e.getCause() instanceof BindingException ) throw (BindingException) e.getCause();
+			throw new BindingException(e);
+		}
+	}
+	
+	public boolean hasField(String fieldName) throws BindingException {
+		return binding.getComponentIndex(fieldName)>=0;
+	}
+	
+	/**
+	 * Get binding of a field
+	 * 
+	 * @param fieldName
+	 * @return binding or null of field does not exist
+	 * @throws BindingException
+	 */
+	public Binding getFieldBinding(String fieldName) throws BindingException {
+		int index = binding.getComponentIndex(fieldName);
+		if ( index<0 ) return null;
+		Binding r = binding.getComponentBinding(index);
+		if ( r!=null && r instanceof OptionalBinding ) {
+			r = ((OptionalBinding)r).componentBinding;
+		}
+		return r;
+	}
+	
+	/**
+	 * Get value of a field
+	 * @param fieldName
+	 * @return value or null if field does not exist
+	 * @throws BindingException
+	 */
+	public Object getField(String fieldName) throws BindingException {
+		int index = binding.type().getComponentIndex2(fieldName);
+		if (index<0) return null;
+		return binding.getComponent(this, index);
+	}
+	
+	/**
+	 * Get value of a field
+	 * @param fieldName
+	 * @return value or null if field does not exist
+	 * @throws BindingException
+	 */
+	public Object getField(int fieldIndex) throws BindingException {
+		return binding.getComponent(this, fieldIndex);
+	}
+	
+	/**
+	 * Get value of a field
+	 * @param fieldName
+	 * @param binding requested binding
+	 * @return value or null if field does not exist
+	 * @throws BindingException
+	 */
+	public Object getField(String fieldName, Binding binding) throws BindingException {
+		int index = this.binding.type().getComponentIndex2(fieldName);
+		if (index<0) return null;		
+		Object obj = this.binding.getComponent(this, index);
+		if ( obj == null ) return null;
+		Binding fieldBinding = this.binding.getComponentBinding(index);
+		if ( fieldBinding instanceof OptionalBinding ) {
+			fieldBinding = ((OptionalBinding)fieldBinding).componentBinding;
+		}
+		try {
+			return Bindings.adapt(obj, fieldBinding, binding);
+		} catch (AdaptException e) {
+			if ( e.getCause() !=null && e.getCause() instanceof BindingException ) throw (BindingException) e.getCause();
+			throw new BindingException(e);
+		}
+	}
+
+	/**
+	 * Get value of a field
+	 * @param fieldName
+	 * @return value or null if field does not exist
+	 * @throws RuntimeBindingException
+	 */
+	public Object getFieldUnchecked(String fieldName) throws RuntimeBindingException {
+		int index = binding.type().getComponentIndex2(fieldName);
+		if (index<0) return null;
+		try {
+			return binding.getComponent(this, index);
+		} catch (BindingException e) {
+			throw new RuntimeBindingException(e);
+		}
+	}
+	
+	/**
+	 * Get value of a field
+	 * @param fieldName
+	 * @return value or null if field does not exist
+	 * @throws RuntimeBindingException
+	 */
+	public Object getFieldUnchecked(int fieldIndex) throws RuntimeBindingException {
+		try {
+			return binding.getComponent(this, fieldIndex);
+		} catch (BindingException e) {
+			throw new RuntimeBindingException(e);
+		}
+	}
+	
+	/**
+	 * Get identifier binding. Use @Identifier annotation to indicate which 
+	 * fields compose the identifier of the record.
+	 *  
+	 * @return idenfitier binding. 
+	 * @throws BindingException there is no identifier
+	 */
+	public Binding getIdentifierBinding() throws BindingException {
+		Datatype idType = binding.type().getIdentifierType();
+		if (idType == null) throw new BindingException("There is are no @Identifier fields in the bean");
+		return Bindings.getBinding( idType );
+	}
+	
+	/**
+	 * Get identifier of the object. Use @Identifier annotation to indicate which
+	 * fields compose the identifier of the record.
+	 * 
+	 * @return identifier
+	 * @throws BindingException
+	 */
+	public Object getIdentifier() throws BindingException 
+	{
+		int ids[] = binding.type().getIdentifiers();
+		if (ids.length == 0) throw new BindingException("There is are no @Identifier fields in the bean");
+		if (ids.length == 1) return binding.getComponent(this, ids[0]);
+		RecordBinding rb = (RecordBinding) getIdentifierBinding();
+		Object result = rb.createPartial();
+		int ix = 0;
+		for (int i : ids) {
+			rb.setComponent(result, ix++, binding.getComponent(this, i));
+		}
+		return result;
+	}
+	
+	/**
+	 * In this version of the bean, the hash/equals compares to identifiers.
+	 * Identifier is a field with @Idenfitier annotation. 
+	 */
+	public static class Id extends Bean {
+		protected Id() {}
+		protected Id(Binding binding) {
+			super(binding);
+		}
+
+		@Override
+		public int hashCode() {
+			int hash = 0;
+			try {
+				for (int index : binding.type().getIdentifiers())
+				{
+					Object c = binding.getComponent(this, index);
+					Binding cb = binding.getComponentBinding(index);
+					hash = 13*hash + cb.hashValue(c);
+				}
+			} catch (BindingException e) {
+			}
+			return hash;
+		}
+		
+		/**
+		 * Compare to another bean of same datatype for equal identifier. (Can be different binding)
+		 */
+		@Override
+		public boolean equals(Object obj) {
+			if (obj==null) return false;
+			if (obj==this) return true;
+			if ( obj instanceof Bean == false ) return false;
+			Bean other = (Bean) obj;
+			try {
+				if (other.binding==binding)	{
+					
+					for (int index : binding.type().getIdentifiers())
+					{
+						Object tc = binding.getComponent(this, index);
+						Object oc = binding.getComponent(other, index);
+						Binding cb = binding.getComponentBinding(index);
+						if ( !cb.equals(tc, oc) ) return false;
+					}
+					
+				} else {
+
+					for (int index : binding.type().getIdentifiers())
+					{
+						Object tc = binding.getComponent(this, index);
+						Object oc = binding.getComponent(other, index);
+						Binding tcb = binding.getComponentBinding(index);
+						Binding ocb = other.binding.getComponentBinding(index);
+						if ( !Bindings.equals(tcb, tc, ocb, oc) ) return false;
+					}
+				}
+				return true;
+			} catch (BindingException e) {
+				throw new RuntimeBindingException(e);
+			} 
+		}
+				
+	}
+
+}