package org.drools.common;
import java.io.Serializable;
import java.util.Collection;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.drools.facttemplates.Fact;
import org.drools.reteoo.ClassObjectTypeConf;
import org.drools.reteoo.FactTemplateTypeConf;
import org.drools.reteoo.ObjectTypeConf;
import org.drools.rule.EntryPoint;
public class ObjectTypeConfigurationRegistry implements Serializable {
private static final long serialVersionUID = -7049575828126061047L;
private InternalRuleBase ruleBase;
private ConcurrentMap<Object, ObjectTypeConf> typeConfMap;
public ObjectTypeConfigurationRegistry(InternalRuleBase ruleBase ) {
super();
this.ruleBase = ruleBase;
this.typeConfMap = new ConcurrentHashMap<Object, ObjectTypeConf>();
}
/**
* Returns the ObjectTypeConfiguration object for the given object or
* creates a new one if none is found in the cache
*
* @param object
* @return
*/
public ObjectTypeConf getObjectTypeConf(EntryPoint entrypoint,
Object object) {
// first see if it's a ClassObjectTypeConf
ObjectTypeConf objectTypeConf = null;
Object key = ( object instanceof Fact ) ? ((Fact) object).getFactTemplate().getName() : object.getClass();
objectTypeConf = this.typeConfMap.get( key );
// it doesn't exist, so create it.
if ( objectTypeConf == null ) {
if ( object instanceof Fact ) {;
objectTypeConf = new FactTemplateTypeConf( entrypoint,
((Fact) object).getFactTemplate(),
this.ruleBase );
} else {
objectTypeConf = new ClassObjectTypeConf( entrypoint,
(Class<?>) key,
this.ruleBase );
}
}
ObjectTypeConf existing = this.typeConfMap.putIfAbsent( key, objectTypeConf );
if ( existing != null ) {
// Raced, take the (now) existing.
objectTypeConf = existing;
}
return objectTypeConf;
}
public Collection<ObjectTypeConf> values() {
return this.typeConfMap.values();
}
}