package org.drools.rule;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.drools.definition.type.FactField;
import org.drools.definition.type.FactType;
/**
* DO NOT USE THIS YET. Use FactType instead.
*
* @author michaelneale
*
*/
public class DynamicFact implements Map<String, Object> {
private Object bean;
private FactType typeDef;
public DynamicFact(Object bean, FactType typeDef) {
this.bean = bean;
this.typeDef = typeDef;
}
public void clear() {
throw new UnsupportedOperationException();
}
public boolean containsKey(Object key) {
return this.typeDef.getField((String) key) != null;
}
public boolean containsValue(Object arg0) {
throw new UnsupportedOperationException();
}
public Set entrySet() {
Set set = new HashSet();
List<FactField> list = this.typeDef.getFields();
for (FactField factField : list) {
final FactField ff = factField;
Map.Entry<String, Object> ent = new Map.Entry<String, Object>() {
public String getKey() {
return ff.getName();
}
public Object getValue() {
return typeDef.get(bean, ff.getName());
}
public Object setValue(Object o) {
typeDef.set(bean, ff.getName(), o);
return o;
}
};
}
return set;
}
public Object get(Object fieldName) {
return this.typeDef.get(bean, (String) fieldName);
}
public boolean isEmpty() {
return this.typeDef.getFields().size() == 0;
}
public Set<String> keySet() {
throw new UnsupportedOperationException();
}
public Object put(String key, Object value) {
Object old = this.typeDef.get(bean, key);
this.typeDef.set(this.bean, key, value);
return old;
}
public void putAll(Map arg0) {
throw new UnsupportedOperationException();
}
public Object remove(Object arg0) {
throw new UnsupportedOperationException(); }
public int size() {
return this.typeDef.getFields().size();
}
public Collection values() {
throw new UnsupportedOperationException();
}
/**
* Return the underlying fact itself. This is what you asset into the session/engine.
*/
public Object getFactObject() {
return this.bean;
}
}