added wildcardtype

src/de/dhbwstuttgart/typeinference/unify/model/WildcardType.java

@@ -0,0 +1,34 @@
+package de.dhbwstuttgart.typeinference.unify.model;
+
+public abstract class WildcardType extends UnifyType {
+	
+	protected UnifyType wildcardedType;
+	
+	protected WildcardType(String name, UnifyType wildcardedType, UnifyType[] typeParams) {
+		super(name, typeParams);
+		this.wildcardedType = wildcardedType;
+	}
+
+	protected WildcardType(String name, UnifyType wildcardedType, TypeParams p) {
+		super(name, p);
+		this.wildcardedType = wildcardedType;
+	}
+	
+	public UnifyType getWildcardedType() {
+		return wildcardedType;
+	}
+	
+	@Override
+	public int hashCode() {
+		return wildcardedType.hashCode() + getName().hashCode() + 17;
+	}
+	
+	@Override
+	public boolean equals(Object obj) {
+		if(!(obj instanceof WildcardType))
+			return false;
+		
+		WildcardType other = (WildcardType) obj;
+		return other.getWildcardedType().equals(wildcardedType);
+	}
+}