--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2010 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.databoard.type;
+
+import java.util.Set;\r
+\r
+import org.simantics.databoard.accessor.error.ReferenceException;\r
+import org.simantics.databoard.accessor.reference.ChildReference;\r
+import org.simantics.databoard.accessor.reference.IndexReference;\r
+import org.simantics.databoard.accessor.reference.KeyReference;\r
+import org.simantics.databoard.accessor.reference.LabelReference;\r
+import org.simantics.databoard.accessor.reference.NameReference;\r
+import org.simantics.databoard.util.IdentityPair;\r
+import org.simantics.databoard.util.Limit;\r
+import org.simantics.databoard.util.ObjectUtils;\r
+import org.simantics.databoard.util.Range;\r
+import org.simantics.databoard.util.RangeException;\r
+
+public class ArrayType extends Datatype {
+ \r
+ /** Metadata key for array length */\r
+ public static final String KEY_LENGTH = "length";\r
+\r
+ private transient Range _length; \r
+ private transient String _lengthIsForStr;\r
+
+ public Datatype componentType;
+
+ public ArrayType() {}
+
+ public ArrayType(Datatype componentType) {
+ this.componentType = componentType;
+ }
+
+ public ArrayType(Datatype componentType, String length) {
+ this.componentType = componentType;\r
+ setLength(length);
+ }
+
+ public ArrayType(Datatype componentType, Range length) {
+ this.componentType = componentType;
+ setLength(length);
+ }\r
+ \r
+ @Override\r
+ public int getComponentCount() {\r
+ return 1;\r
+ }\r
+ \r
+ @Override\r
+ public Datatype getComponentType(int index) {\r
+ if (index!=0) throw new IllegalArgumentException();\r
+ return componentType;\r
+ }\r
+ \r
+ @Override\r
+ public Datatype getComponentType(ChildReference path) {\r
+ if (path==null) return this;\r
+ if (path instanceof KeyReference) throw new IllegalArgumentException("KeyReference is not supported in ArrayType"); \r
+ if (path instanceof NameReference) throw new IllegalArgumentException("NameReference is not supported in ArrayType"); \r
+ if (path instanceof IndexReference && ((IndexReference) path).index!=0) throw new IllegalArgumentException("Index out of bounds");\r
+ if (path instanceof LabelReference && !((LabelReference) path).label.equals("v")) throw new IllegalArgumentException("Unknown label");\r
+ return componentType.getComponentType(path.childReference);\r
+ }
+
+ @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;\r
+ if ( !hasEqualMetadata(obj) ) return false;\r
+ if (obj instanceof ArrayType == false) return false;
+ ArrayType other = (ArrayType) obj;\r
+ return componentType.deepEquals(other.componentType, compareHistory);
+ }
+
+ @Override
+ public int hashCode() {\r
+ if (componentType==this) return 0; \r
+ return 0x234ae + metadataHashCode() + 13* ObjectUtils.hashCode(componentType);
+ } \r
+
+ @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;
+ }\r
+\r
+ @Deprecated\r
+ public Datatype getComponentType() {\r
+ return componentType;\r
+ }\r
+
+ public void setComponentType(Datatype componentType) {
+ this.componentType = componentType;
+ }
+
+ public int minLength() {\r
+ 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();\r
+ 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 );\r
+ if (lengthStr == null) return null;\r
+ if (_length != null && lengthStr!=null && lengthStr==_lengthIsForStr) return _length;\r
+ try {\r
+ _lengthIsForStr = lengthStr;\r
+ _length = Range.valueOf( lengthStr );\r
+ } catch (RangeException e) {\r
+ _length = null;\r
+ }\r
+ return _length;\r
+ }
+
+ public String getLengthStr() {
+ return metadata.get( KEY_LENGTH );
+ }
+
+ public void setLength(String length) {\r
+ _length = null;\r
+ _lengthIsForStr = null;\r
+ if ( length == null ) {\r
+ metadata.remove( KEY_LENGTH ); \r
+ } else {\r
+ metadata.put( KEY_LENGTH, length );\r
+ }
+ }
+
+ public void setLength(Range range) {\r
+ if (range==null) {\r
+ metadata.remove( KEY_LENGTH );\r
+ _length = null;\r
+ _lengthIsForStr = null;\r
+ } else {\r
+ _length = range;\r
+ _lengthIsForStr = range.toString();\r
+ metadata.put( KEY_LENGTH, _lengthIsForStr );\r
+ }
+ }
+\r
+ @SuppressWarnings("unchecked")\r
+ @Override\r
+ public <T extends Datatype> T getChildType(ChildReference reference) throws ReferenceException {\r
+ if (reference==null) return (T) this;\r
+ \r
+ if (reference instanceof LabelReference) {\r
+ LabelReference lr = (LabelReference) reference;\r
+ try {\r
+ Integer.valueOf( lr.label );\r
+ return componentType.getChildType(reference.getChildReference());\r
+ } catch ( NumberFormatException nfe ) {\r
+ throw new ReferenceException(nfe);\r
+ } \r
+ } else if (reference instanceof IndexReference) {\r
+ return componentType.getChildType(reference.getChildReference());\r
+ } \r
+ throw new ReferenceException(reference.getClass().getName()+" is not a reference of an array"); \r
+ }\r
+
+}
Code Review / simantics / platform.git / blobdiff