Package org.drools.persistence.map.impl

Source Code of org.drools.persistence.map.impl.MapBasedPersistenceTest$SimpleKnowledgeSessionStorage

/*
* Copyright 2011 Red Hat Inc.
*
* 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.persistence.map.impl;

import java.util.HashMap;
import java.util.Map;

import org.drools.persistence.info.SessionInfo;
import org.drools.persistence.info.WorkItemInfo;
import org.drools.persistence.map.EnvironmentBuilder;
import org.drools.persistence.map.KnowledgeSessionStorage;
import org.drools.persistence.map.KnowledgeSessionStorageEnvironmentBuilder;
import org.junit.Before;
import org.kie.internal.KnowledgeBase;
import org.kie.internal.KnowledgeBaseFactory;
import org.kie.internal.persistence.jpa.JPAKnowledgeService;
import org.kie.api.runtime.Environment;
import org.kie.api.runtime.EnvironmentName;
import org.kie.internal.runtime.StatefulKnowledgeSession;

public class MapBasedPersistenceTest extends MapPersistenceTest{
   
    private SimpleKnowledgeSessionStorage storage;
   
    @Before
    public void createStorage(){
        storage = new SimpleKnowledgeSessionStorage();
    }
   
    @Override
    protected StatefulKnowledgeSession createSession(KnowledgeBase kbase) {
       
        EnvironmentBuilder envBuilder = new KnowledgeSessionStorageEnvironmentBuilder( storage );
        Environment env = KnowledgeBaseFactory.newEnvironment();
        env.set( EnvironmentName.TRANSACTION_MANAGER,
                 envBuilder.getTransactionManager() );
        env.set( EnvironmentName.PERSISTENCE_CONTEXT_MANAGER,
                 envBuilder.getPersistenceContextManager() );

        return JPAKnowledgeService.newStatefulKnowledgeSession( kbase,
                                                                null,
                                                                env );
    }
   
    @Override
    protected StatefulKnowledgeSession disposeAndReloadSession(StatefulKnowledgeSession ksession,
                                                             KnowledgeBase kbase) {
        int sessionId = ksession.getId();
        ksession.dispose();
        EnvironmentBuilder envBuilder = new KnowledgeSessionStorageEnvironmentBuilder( storage );
        Environment env = KnowledgeBaseFactory.newEnvironment();
        env.set( EnvironmentName.TRANSACTION_MANAGER,
                 envBuilder.getTransactionManager() );
        env.set( EnvironmentName.PERSISTENCE_CONTEXT_MANAGER,
                 envBuilder.getPersistenceContextManager() );
       
        return JPAKnowledgeService.loadStatefulKnowledgeSession( sessionId, kbase, null, env );
    }
   
    @Override
    protected long getSavedSessionsCount() {
        return storage.ksessions.size();
    }
   
    private static class SimpleKnowledgeSessionStorage
        implements
        KnowledgeSessionStorage {

        public Map<Integer, SessionInfo>  ksessions = new HashMap<Integer, SessionInfo>();
        public Map<Long, WorkItemInfo> workItems = new HashMap<Long, WorkItemInfo>();

        public SessionInfo findSessionInfo(Integer id) {
            return ksessions.get( id );
        }

        public void saveOrUpdate(SessionInfo storedObject) {
            ksessions.put( storedObject.getId(),
                           storedObject );
        }

        public void saveOrUpdate(WorkItemInfo workItemInfo) {
            workItems.put( workItemInfo.getId(),
                           workItemInfo );
        }

        public Long getNextWorkItemId() {
            return new Long( workItems.size() + 1 );
        }

        public WorkItemInfo findWorkItemInfo(Long id) {
            return workItems.get( id );
        }

        public void remove(WorkItemInfo workItemInfo) {
            workItems.remove( workItemInfo.getId() );
        }

        public Integer getNextStatefulKnowledgeSessionId() {
            return ksessions.size() + 1 ;
        }
    }
}
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