DefaultMPPSService.java

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 * for the specific language governing rights and limitations under the
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 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
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 * The Initial Developer of the Original Code is
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package org.dcm4chee.archive.mpps.impl;

import javax.ejb.EJB;
import javax.ejb.Stateless;
import javax.inject.Inject;

import org.dcm4che3.data.Attributes;
import org.dcm4che3.net.Device;
import org.dcm4che3.net.Dimse;
import org.dcm4che3.net.service.DicomServiceException;
import org.dcm4chee.archive.entity.MPPS;
import org.dcm4chee.archive.hooks.AttributeCoercionHook;
import org.dcm4chee.archive.mpps.MPPSContext;
import org.dcm4chee.archive.mpps.MPPSHook;
import org.dcm4chee.archive.mpps.MPPSService;
import org.dcm4chee.hooks.Hooks;
import org.dcm4chee.util.TransactionSynchronization;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Default implementation of {@link MPPSService}.
 *
 * @author Gunter Zeilinger <gunterze@gmail.com>
 * @author Hesham Elbadawi <bsdreko@gmail.com>
 * @author Roman K
 */
@Stateless
public class DefaultMPPSService implements MPPSService {

    private static Logger LOG = LoggerFactory.getLogger(DefaultMPPSService.class);

    @Inject
    private Device device;

    @Inject
    private TransactionSynchronization transaction;

    /**
     * We need to move coercion out of the interface to remove this 'self' injection
     */
    @EJB
    private MPPSService mppsService;

    @Inject
    private Hooks<MPPSHook> mppsHooks;

    @Override
    public void createPerformedProcedureStep(final Attributes attrs, final MPPSContext mppsContext) throws DicomServiceException {
        coerceAttributes(mppsContext, attrs);

        for (MPPSHook mppsHook : mppsHooks) {
            mppsHook.onMPPSCreate(mppsContext, attrs);
        }
    }

    @Override
    public void updatePerformedProcedureStep(final Attributes attrs, final MPPSContext mppsContext) throws DicomServiceException {

        coerceAttributes(mppsContext, attrs);

        final MPPS.Status mppsStatus = MPPS.getMPPSStatus(attrs);
        if (mppsStatus == MPPS.Status.IN_PROGRESS) {
            for (MPPSHook mppsHook : mppsHooks) {
                mppsHook.onMPPSUpdate(mppsContext, attrs);
            }
        } else {
            for (MPPSHook mppsHook : mppsHooks) {
                mppsHook.onMPPSFinal(mppsContext, attrs);
            }
        }
    }

    private void coerceAttributes(MPPSContext context, Attributes attrs) throws DicomServiceException {
        // call coercers
        for (AttributeCoercionHook<MPPSContext> attributeCoercionHook : mppsHooks) {
            attributeCoercionHook.coerceAttributes(context, attrs);
        }
    }

    @Deprecated
    @Override
    public void createPerformedProcedureStep(final String mppsSopInstanceUID, final Attributes attrs, final MPPSContext mppsContext) throws DicomServiceException {
        mppsService.createPerformedProcedureStep(attrs, mppsContext);
    }

    @Deprecated
    @Override
    public void updatePerformedProcedureStep(final String mppsSopInstanceUID, final Attributes attrs, final MPPSContext mppsContext) throws DicomServiceException {
        mppsService.updatePerformedProcedureStep(attrs, mppsContext);
    }

    @Deprecated
    public void coerceAttributes(MPPSContext context, Dimse dimse, Attributes attrs) throws DicomServiceException {
        //noop - this is not called anymore
    }

}