X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Ftype%2FMapType.java;fp=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Ftype%2FMapType.java;h=4fede9cf9479d813e4f34ee2fe2595fb5c8aad6c;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/type/MapType.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/type/MapType.java
new file mode 100644
index 000000000..4fede9cf9
--- /dev/null
+++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/type/MapType.java
@@ -0,0 +1,128 @@
+/*******************************************************************************
+ *  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.ObjectUtils;
+
+public class MapType extends Datatype {
+
+	/** Key to describe if map is to be serialized ordered, the value is boolean value "false"/"true" */
+	public static final String KEY_ORDERED = "ordered";
+	
+	public Datatype keyType;
+	public Datatype valueType;
+	
+	public MapType() {		
+	}
+	
+	public MapType(Datatype keyType, Datatype valueType) {
+		if (keyType==null || valueType==null)
+			throw new IllegalArgumentException("Argument must not be null");
+		this.keyType = keyType;
+		this.valueType = valueType;
+	}
+	
+    @Override
+    public int getComponentCount() {
+    	return 2;
+    }
+    
+    @Override
+    public Datatype getComponentType(int index) {
+    	if (index==0) return keyType;
+    	if (index==1) return valueType;
+    	throw new IllegalArgumentException();
+    }
+    
+    @Override
+    public Datatype getComponentType(ChildReference path) {
+    	if (path==null) return this;
+    	if (path instanceof IndexReference) {
+    		IndexReference ir = (IndexReference) path;
+    		if (ir.index==0) return keyType.getComponentType(path.childReference);
+    		if (ir.index==1) return valueType.getComponentType(path.childReference);
+    	}
+    	if (path instanceof LabelReference) {
+    		LabelReference lr = (LabelReference) path;
+    		if (lr.label.equals("0") || lr.label.equals("key")) return keyType.getComponentType(path.childReference);
+    		if (lr.label.equals("1") || lr.label.equals("value")) return valueType.getComponentType(path.childReference);
+    	}
+    	if (path instanceof NameReference) {
+    		NameReference nr = (NameReference) path;
+    		if (nr.name.equals("key")) return keyType.getComponentType(path.childReference);
+    		if (nr.name.equals("value")) return valueType.getComponentType(path.childReference);
+    	}
+    	throw new IllegalArgumentException();
+    }	
+	@Override
+	public void accept(Visitor1 v, Object obj) {
+	    v.visit(this, obj);        
+	}
+
+	@Override
+	public <T> T accept(Visitor<T> v) {
+	    return v.visit(this);
+	}
+
+	@Override
+	protected boolean deepEquals(Object obj,
+			Set<IdentityPair<Datatype, Datatype>> compareHistory) {		
+		if (this==obj) return true;
+		if ( !hasEqualMetadata(obj) ) return false;
+		if (obj instanceof MapType == false) return false;
+		MapType other = (MapType) obj;
+		
+		return keyType.deepEquals(other.keyType, compareHistory) && 
+			valueType.deepEquals(other.valueType, compareHistory);
+	}
+	
+	@Override
+	protected void collectSubtypes(Set<Datatype> subtypes, Set<Datatype> recursiveSubtypes) {
+		keyType.collectSubtypes(subtypes, recursiveSubtypes);
+		valueType.collectSubtypes(subtypes, recursiveSubtypes);
+	}
+	
+	@Override
+	public int hashCode() {
+		if (keyType==this) return 0;
+		if (valueType==this) return 0;
+		return 0x232ae +
+			ObjectUtils.hashCode(keyType) * 13 +
+			ObjectUtils.hashCode(valueType) * 17;
+	}
+
+	@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;
+			return keyType.getChildType(reference.getChildReference());
+		} else if (reference instanceof KeyReference) {
+//			KeyReference ref = (KeyReference) reference;
+			return keyType.getChildType(reference.getChildReference());
+		} 
+		throw new ReferenceException(reference.getClass().getName()+" is not a reference of a map");	
+	}
+	
+}
+