/*
* Copyright 2005 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.core.spi;
import org.drools.core.WorkingMemoryEntryPoint;
import org.drools.core.common.InternalFactHandle;
import org.drools.core.common.InternalWorkingMemory;
import org.drools.core.reteoo.ObjectTypeConf;
/**
* Factory Interface to return new <code>FactHandle</code>s
*/
public interface FactHandleFactory {
/**
* Construct a handle with a new id.
*
* @return The handle.
*/
InternalFactHandle newFactHandle(Object object,
ObjectTypeConf conf,
InternalWorkingMemory workingMemory,
WorkingMemoryEntryPoint wmEntryPoint );
InternalFactHandle newFactHandle(int id,
Object object,
long recency,
ObjectTypeConf conf,
InternalWorkingMemory workingMemory,
WorkingMemoryEntryPoint wmEntryPoint );
/**
* Increases the recency of the FactHandle
*
* @param factHandle
* The fact handle to have its recency increased.
*/
void increaseFactHandleRecency(InternalFactHandle factHandle);
void destroyFactHandle(InternalFactHandle factHandle);
/**
* @return a fresh instance of the fact handle factory, with any IDs reset etc.
*/
FactHandleFactory newInstance();
FactHandleFactory newInstance(int id, long counter);
Class<?> getFactHandleType();
int getId();
long getRecency();
int getNextId();
long getNextRecency();
void clear(int id, long counter);
}