Attachment 21061 Details for Bug 95021 – source file demonstrating the problem

source file demonstrating the problem

GenericsBug.java (text/plain), 1003 bytes, created by David Hovemeyer

on 2005-05-12 15:00:25 EDT

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Creator: David Hovemeyer

Created: 2005-05-12 15:00:25 EDT

Size: 1003 bytes

patch

obsolete

>import java.util.Map;
>
>interface MethodProperty<ActualType extends MethodProperty<ActualType>> {
>	public void copyFrom(ActualType other);
>}
>
>class MethodPropertyDatabase<Property extends MethodProperty<Property>> {
>	Map<String, Property> propertyMap;
>	
>	void read(String fileName) {
>	}
>}
>
>class FooProperty implements MethodProperty<FooProperty> {
>	String value;
>
>	public void copyFrom(FooProperty other) {
>		this.value = other.value;
>	}
>}
>
>class FooPropertyDatabase extends MethodPropertyDatabase<FooProperty> {
>}
>
>public class GenericsBug {
>	FooPropertyDatabase fooDatabase;
>	
>	public void readDatabase() {
>		FooPropertyDatabase database = new FooPropertyDatabase();
>		
>		fooDatabase = readDatabase(database, "foodatabase.db"); // Bug reported on this line
>	}
>	
>	private<
>		Property extends MethodProperty<Property>,
>		DatabaseType extends MethodPropertyDatabase<Property>
>		> DatabaseType readDatabase(DatabaseType database, String fileName) {
>			database.read(fileName);
>			return database;
>		}
>	
>}

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Attachments on bug 95021: 21061