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package com.sun.enterprise.tools.verifier.tests;

import com.sun.enterprise.deployment.*;
import com.sun.enterprise.tools.verifier.Result;
import org.glassfish.deployment.common.Descriptor;
import org.glassfish.deployment.common.RootDeploymentDescriptor;

/**
 * Assertion :
 *
 *  persistemce.xml should have atleast one persistence unit.
 *
 * @author [email protected]
 */
public abstract class AbstractPersistenceUnitCount extends VerifierTest
        implements VerifierCheck {
    final static String className = AbstractPersistenceUnitCount.class.getName();
    
    public Result check(Descriptor descriptor) {
        
        RootDeploymentDescriptor rootDescriptor = getRootDescriptor(descriptor);
        
        Result result = getInitializedResult();
        addErrorDetails(result,
                getVerifierContext().getComponentNameConstructor());
        result.setStatus(Result.PASSED); //default status is PASSED
        
        if(rootDescriptor.getExtensionsDescriptors(PersistenceUnitsDescriptor.class).size() == 0)
            result.setStatus(Result.NOT_APPLICABLE);
        
        for(PersistenceUnitsDescriptor pus : rootDescriptor.getExtensionsDescriptors(PersistenceUnitsDescriptor.class)) {
            if (pus.getPersistenceUnitDescriptors().size() == 0) {
                result.failed(
                        smh.getLocalString(
                        className + ".failed",
                        "persistence.xml in persistence unit root [ {0} ] has no persistence units.",
                        new Object[]{pus.getPuRoot()}));
            }
        }
        return result;
    }
    
    protected abstract RootDeploymentDescriptor getRootDescriptor(Descriptor descriptor);
    
}




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