X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Ftype%2FArrayType.java;fp=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Ftype%2FArrayType.java;h=ba7b90977c2ffeca28ebe2d0997de140b7e23a66;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/type/ArrayType.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/type/ArrayType.java
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index 000000000..ba7b90977
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+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/type/ArrayType.java
@@ -0,0 +1,194 @@
+/*******************************************************************************
+ *  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 java.util.Set;
+
+import org.simantics.databoard.accessor.error.ReferenceException;
+import org.simantics.databoard.accessor.reference.ChildReference;
+import org.simantics.databoard.accessor.reference.IndexReference;
+import org.simantics.databoard.accessor.reference.KeyReference;
+import org.simantics.databoard.accessor.reference.LabelReference;
+import org.simantics.databoard.accessor.reference.NameReference;
+import org.simantics.databoard.util.IdentityPair;
+import org.simantics.databoard.util.Limit;
+import org.simantics.databoard.util.ObjectUtils;
+import org.simantics.databoard.util.Range;
+import org.simantics.databoard.util.RangeException;
+
+public class ArrayType extends Datatype {
+    
+	/** Metadata key for array length */
+	public static final String KEY_LENGTH = "length";
+
+	private transient Range _length; 
+	private transient String _lengthIsForStr;
+	
+    public Datatype componentType;
+    
+    public ArrayType() {}
+    
+    public ArrayType(Datatype componentType) {
+    	this.componentType = componentType;
+    }
+    
+    public ArrayType(Datatype componentType, String length) {
+    	this.componentType = componentType;
+    	setLength(length);
+    }
+
+    public ArrayType(Datatype componentType, Range length) {
+    	this.componentType = componentType;
+    	setLength(length);
+    }
+    
+    @Override
+    public int getComponentCount() {
+    	return 1;
+    }
+    
+    @Override
+    public Datatype getComponentType(int index) {
+    	if (index!=0) throw new IllegalArgumentException();
+    	return componentType;
+    }
+    
+    @Override
+    public Datatype getComponentType(ChildReference path) {
+    	if (path==null) return this;
+    	if (path instanceof KeyReference) throw new IllegalArgumentException("KeyReference is not supported in ArrayType"); 
+    	if (path instanceof NameReference) throw new IllegalArgumentException("NameReference is not supported in ArrayType"); 
+    	if (path instanceof IndexReference && ((IndexReference) path).index!=0) throw new IllegalArgumentException("Index out of bounds");
+    	if (path instanceof LabelReference && !((LabelReference) path).label.equals("v")) throw new IllegalArgumentException("Unknown label");
+    	return componentType.getComponentType(path.childReference);
+    }
+    
+	@Override
+	protected void collectSubtypes(Set<Datatype> subtypes, Set<Datatype> recursiveSubtypes) {
+		componentType.collectSubtypes(subtypes, recursiveSubtypes);
+	}
+	
+	@Override
+	protected boolean deepEquals(Object obj, Set<IdentityPair<Datatype, Datatype>> compareHistory) {
+		if ( this==obj ) return true;
+		if ( !hasEqualMetadata(obj) ) return false;
+		if (obj instanceof ArrayType == false) return false;
+		ArrayType other = (ArrayType) obj;
+		return componentType.deepEquals(other.componentType, compareHistory);
+	}
+	
+	@Override
+	public int hashCode() {
+		if (componentType==this) return 0;		
+		return 0x234ae + metadataHashCode() + 13* ObjectUtils.hashCode(componentType);
+	}	
+	
+	@Override
+	public void accept(Visitor1 v, Object obj) {
+	    v.visit(this, obj);        
+	}
+
+	@Override
+	public <T> T accept(Visitor<T> v) {
+	    return v.visit(this);
+	}
+
+	public Datatype componentType() {
+		return componentType;
+	}
+
+	@Deprecated
+	public Datatype getComponentType() {
+		return componentType;
+	}
+
+	public void setComponentType(Datatype componentType) {
+		this.componentType = componentType;
+	}
+
+    public int minLength() {
+    	Range length = getLength();
+    	if (length==null) return 0;
+    	Limit l = length.getLower();
+    	int value = l.getValue().intValue();
+    	if (l.isExclusive()) value++;
+    	return value;
+    }
+    
+    public int maxLength() {
+    	Range length = getLength();
+    	if (length==null) return Integer.MAX_VALUE;
+    	Limit l = length.getUpper();
+    	int value = l.getValue().intValue();
+    	if (l.isExclusive()) value--;
+    	return value;
+    }
+	
+	public Range getLength() {
+		String lengthStr = metadata.get( KEY_LENGTH );
+		if (lengthStr == null) return null;
+		if (_length != null && lengthStr!=null && lengthStr==_lengthIsForStr) return _length;
+		try {
+			_lengthIsForStr = lengthStr;
+			_length = Range.valueOf( lengthStr );
+		} catch (RangeException e) {
+			_length = null;
+		}
+		return _length;
+	}
+
+	public String getLengthStr() {
+		return metadata.get( KEY_LENGTH );
+	}
+	
+	public void setLength(String length) {
+		_length = null;
+		_lengthIsForStr = null;
+		if ( length == null ) {
+			metadata.remove( KEY_LENGTH ); 
+		} else {
+			metadata.put( KEY_LENGTH, length );
+		}
+	}
+	
+	public void setLength(Range range) {
+		if (range==null) {
+			metadata.remove( KEY_LENGTH );
+			_length = null;
+			_lengthIsForStr = null;
+		} else {
+			_length = range;
+			_lengthIsForStr = range.toString();
+			metadata.put( KEY_LENGTH, _lengthIsForStr );
+		}
+	}
+
+	@SuppressWarnings("unchecked")
+	@Override
+	public <T extends Datatype> T getChildType(ChildReference reference) throws ReferenceException {
+		if (reference==null) return (T) this;
+		
+		if (reference instanceof LabelReference) {
+			LabelReference lr = (LabelReference) reference;
+			try {
+				Integer.valueOf( lr.label );
+				return componentType.getChildType(reference.getChildReference());
+			} catch ( NumberFormatException nfe ) {
+				throw new ReferenceException(nfe);
+			}			
+		} else if (reference instanceof IndexReference) {
+			return componentType.getChildType(reference.getChildReference());
+		} 
+		throw new ReferenceException(reference.getClass().getName()+" is not a reference of an array");	
+	}
+	
+}