-/*******************************************************************************\r
- * Copyright (c) 2007, 2011 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.binding.classfactory;\r
-\r
-import java.util.IdentityHashMap;\r
-\r
-import org.simantics.databoard.Datatypes;\r
-import org.simantics.databoard.type.ArrayType;\r
-import org.simantics.databoard.type.BooleanType;\r
-import org.simantics.databoard.type.ByteType;\r
-import org.simantics.databoard.type.Datatype;\r
-import org.simantics.databoard.type.DoubleType;\r
-import org.simantics.databoard.type.FloatType;\r
-import org.simantics.databoard.type.IntegerType;\r
-import org.simantics.databoard.type.LongType;\r
-import org.simantics.databoard.type.MapType;\r
-import org.simantics.databoard.type.OptionalType;\r
-import org.simantics.databoard.type.RecordType;\r
-import org.simantics.databoard.type.StringType;\r
-import org.simantics.databoard.type.UnionType;\r
-import org.simantics.databoard.type.VariantType;\r
-\r
-/**\r
- * Signature Visitor builds a signature string from a datatype.\r
- * The argument is StringBuilder.\r
- * \r
- * Signature is construtructed with the following notation.\r
- * \r
- * s StringType\r
- * z BooleanType\r
- * d DoubleType\r
- * f FloatType\r
- * i IntegerType\r
- * b ByteType\r
- * j LongType\r
- * R Referable RecordType\r
- * o* OptionalType, * denotes componentType\r
- * a* ArrayType, * denotes componentType\r
- * r**e RecordType, ** denotes fields\r
- * u UnionType, * denotes components\r
- * m** MapType, ** denotes keyType and valueType\r
- * t Datatype\r
- * \r
- * For example, The signature of UUID.class is "rjje" \r
- * \r
- * @author toni.kalajainen\r
- */\r
-public class SignatureVisitor implements Datatype.Visitor1 {\r
- \r
- public StringBuilder sb = new StringBuilder();\r
- public int hashcode = 0xbcbcbca;\r
- public IdentityHashMap<Datatype, Boolean> visited = new IdentityHashMap<Datatype, Boolean>();\r
- \r
- public static String toSignature(Datatype type)\r
- {\r
- SignatureVisitor sv = new SignatureVisitor();\r
- type.accept( sv, null );\r
- String sig = sv.sb.toString();\r
- return sig;\r
- } \r
-\r
- @Override\r
- public void visit(ArrayType b, Object obj) {\r
- sb.append('a');\r
- b.componentType.accept(this, obj);\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- }\r
-\r
- @Override\r
- public void visit(BooleanType b, Object obj) {\r
- sb.append('z');\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- }\r
-\r
- @Override\r
- public void visit(DoubleType b, Object obj) {\r
- sb.append('d');\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- }\r
-\r
- @Override\r
- public void visit(FloatType b, Object obj) {\r
- sb.append('f');\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- }\r
-\r
- @Override\r
- public void visit(IntegerType b, Object obj) {\r
- sb.append('i');\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- }\r
-\r
- @Override\r
- public void visit(ByteType b, Object obj) {\r
- sb.append('b');\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- }\r
-\r
- @Override\r
- public void visit(LongType b, Object obj) {\r
- sb.append('j');\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- }\r
-\r
- @Override\r
- public void visit(OptionalType b, Object obj) {\r
- sb.append('o');\r
- b.componentType.accept(this, sb);\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- }\r
-\r
- @Override\r
- public void visit(RecordType b, Object obj) {\r
- if ( wasVisited(b) ) {\r
- sb.append('R');\r
- return;\r
- }\r
- if ( b.isReferable() ) {\r
- sb.append('R');\r
- return;\r
- }\r
- \r
- sb.append('r');\r
- for (int i=0; i<b.getComponentCount(); i++) {\r
- b.getComponentType(i).accept(this, sb);\r
- }\r
- sb.append('e');\r
-\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- for (int i=0; i<b.getComponentCount(); i++) {\r
- hashcode = 13*hashcode + b.getComponent(i).name.hashCode();\r
- }\r
- }\r
-\r
- @Override\r
- public void visit(StringType b, Object obj) {\r
- sb.append('s');\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- }\r
-\r
- @Override\r
- public void visit(UnionType b, Object obj) {\r
- if ( b.equals( Datatypes.getDatatypeUnchecked(Datatype.class) )) {\r
- sb.append("t");\r
- return;\r
- }\r
- if ( wasVisited(b) ) {\r
- sb.append('U');\r
- return;\r
- }\r
- sb.append('u');\r
- for (int i=0; i<b.getComponentCount(); i++) {\r
- b.getComponentType(i).accept(this, sb);\r
- }\r
- sb.append('e');\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- }\r
-\r
- @Override\r
- public void visit(VariantType b, Object obj) {\r
- sb.append('v');\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- }\r
-\r
- @Override\r
- public void visit(MapType b, Object obj) {\r
- if ( wasVisited(b) ) return;\r
- sb.append('m');\r
- b.keyType.accept(this, obj);\r
- b.valueType.accept(this, obj);\r
- hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();\r
- }\r
- \r
- /**\r
- * Visit and return if was visited\r
- * @param type\r
- * @return\r
- */\r
- boolean wasVisited(Datatype type) {\r
- Boolean result = visited.put(type, Boolean.TRUE);\r
- return result == null ? false : result;\r
- }\r
-}\r
+/*******************************************************************************
+ * 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.binding.classfactory;
+
+import java.util.IdentityHashMap;
+
+import org.simantics.databoard.Datatypes;
+import org.simantics.databoard.type.ArrayType;
+import org.simantics.databoard.type.BooleanType;
+import org.simantics.databoard.type.ByteType;
+import org.simantics.databoard.type.Datatype;
+import org.simantics.databoard.type.DoubleType;
+import org.simantics.databoard.type.FloatType;
+import org.simantics.databoard.type.IntegerType;
+import org.simantics.databoard.type.LongType;
+import org.simantics.databoard.type.MapType;
+import org.simantics.databoard.type.OptionalType;
+import org.simantics.databoard.type.RecordType;
+import org.simantics.databoard.type.StringType;
+import org.simantics.databoard.type.UnionType;
+import org.simantics.databoard.type.VariantType;
+
+/**
+ * Signature Visitor builds a signature string from a datatype.
+ * The argument is StringBuilder.
+ *
+ * Signature is construtructed with the following notation.
+ *
+ * s StringType
+ * z BooleanType
+ * d DoubleType
+ * f FloatType
+ * i IntegerType
+ * b ByteType
+ * j LongType
+ * R Referable RecordType
+ * o* OptionalType, * denotes componentType
+ * a* ArrayType, * denotes componentType
+ * r**e RecordType, ** denotes fields
+ * u UnionType, * denotes components
+ * m** MapType, ** denotes keyType and valueType
+ * t Datatype
+ *
+ * For example, The signature of UUID.class is "rjje"
+ *
+ * @author toni.kalajainen
+ */
+public class SignatureVisitor implements Datatype.Visitor1 {
+
+ public StringBuilder sb = new StringBuilder();
+ public int hashcode = 0xbcbcbca;
+ public IdentityHashMap<Datatype, Boolean> visited = new IdentityHashMap<Datatype, Boolean>();
+
+ public static String toSignature(Datatype type)
+ {
+ SignatureVisitor sv = new SignatureVisitor();
+ type.accept( sv, null );
+ String sig = sv.sb.toString();
+ return sig;
+ }
+
+ @Override
+ public void visit(ArrayType b, Object obj) {
+ sb.append('a');
+ b.componentType.accept(this, obj);
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ }
+
+ @Override
+ public void visit(BooleanType b, Object obj) {
+ sb.append('z');
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ }
+
+ @Override
+ public void visit(DoubleType b, Object obj) {
+ sb.append('d');
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ }
+
+ @Override
+ public void visit(FloatType b, Object obj) {
+ sb.append('f');
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ }
+
+ @Override
+ public void visit(IntegerType b, Object obj) {
+ sb.append('i');
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ }
+
+ @Override
+ public void visit(ByteType b, Object obj) {
+ sb.append('b');
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ }
+
+ @Override
+ public void visit(LongType b, Object obj) {
+ sb.append('j');
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ }
+
+ @Override
+ public void visit(OptionalType b, Object obj) {
+ sb.append('o');
+ b.componentType.accept(this, sb);
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ }
+
+ @Override
+ public void visit(RecordType b, Object obj) {
+ if ( wasVisited(b) ) {
+ sb.append('R');
+ return;
+ }
+ if ( b.isReferable() ) {
+ sb.append('R');
+ return;
+ }
+
+ sb.append('r');
+ for (int i=0; i<b.getComponentCount(); i++) {
+ b.getComponentType(i).accept(this, sb);
+ }
+ sb.append('e');
+
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ for (int i=0; i<b.getComponentCount(); i++) {
+ hashcode = 13*hashcode + b.getComponent(i).name.hashCode();
+ }
+ }
+
+ @Override
+ public void visit(StringType b, Object obj) {
+ sb.append('s');
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ }
+
+ @Override
+ public void visit(UnionType b, Object obj) {
+ if ( b.equals( Datatypes.getDatatypeUnchecked(Datatype.class) )) {
+ sb.append("t");
+ return;
+ }
+ if ( wasVisited(b) ) {
+ sb.append('U');
+ return;
+ }
+ sb.append('u');
+ for (int i=0; i<b.getComponentCount(); i++) {
+ b.getComponentType(i).accept(this, sb);
+ }
+ sb.append('e');
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ }
+
+ @Override
+ public void visit(VariantType b, Object obj) {
+ sb.append('v');
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ }
+
+ @Override
+ public void visit(MapType b, Object obj) {
+ if ( wasVisited(b) ) return;
+ sb.append('m');
+ b.keyType.accept(this, obj);
+ b.valueType.accept(this, obj);
+ hashcode = 13*hashcode + b.getClass().getName().hashCode() + 133*b.metadataHashCode();
+ }
+
+ /**
+ * Visit and return if was visited
+ * @param type
+ * @return
+ */
+ boolean wasVisited(Datatype type) {
+ Boolean result = visited.put(type, Boolean.TRUE);
+ return result == null ? false : result;
+ }
+}
Code Review / simantics / platform.git / blobdiff