Example usage for org.hibernate Session refresh

Introduction

In this page you can find the example usage for org.hibernate Session refresh.

Prototype

void refresh(Object object, LockOptions lockOptions);

Source Link

Document

Re-read the state of the given instance from the underlying database, with the given LockMode.

Usage

From source file:org.squale.jraf.provider.persistence.hibernate.BlobHelper.java

License:Open Source License

public final static void writeByte2BLOB(ISession session, Object bo, String property, byte[] bytes)
        throws JrafPersistenceException {

    // recuperation de la session hibernate
    Session hSession = ((SessionImpl) session).getSession();

    try {//from  w  ww .j a v  a2 s  .  co  m
        // ecriture du BLOB vide
        createEmptyBlob(hSession, bo, property);

        // refresh de l'objet
        hSession.refresh(bo, LockMode.UPGRADE);

        // recuperation du BLOB
        BLOB oracleBLOB = (BLOB) PropertyUtils.getProperty(bo, property);

        // ouverture du stream d'ecriture sur le BLOB
        OutputStream blobOutputStream = oracleBLOB.getBinaryOutputStream();

        blobOutputStream.write(bytes, 0, bytes.length);
        blobOutputStream.flush();
        blobOutputStream.close();
    } catch (Exception e) {
        log.error("Probleme lors de l'ecriture des donnees dans le BLOB", e);
        throw new JrafPersistenceException("Probleme lors de l'ecriture des donnees dans le BLOB", e);
    }

}

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From source file:org.squale.jraf.provider.persistence.hibernate.BlobHelper.java

License:Open Source License

/**
 * Ecriture d'un fichier dans un BLOB/*from  w w  w . j  a va  2  s  .co m*/
 * @param session session de persistance
 * @param bo business object
 * @param property propriete
 * @param file fichier
 * @throws JrafPersistenceException
 */
public final static void writeFile2BLOB(ISession session, Object bo, String property, File file)
        throws JrafPersistenceException {

    // recuperation de la session hibernate
    Session hSession = ((SessionImpl) session).getSession();

    long fSize = file.length();
    byte[] buffer = null;

    try {
        // ecriture du BLOB vide
        createEmptyBlob(hSession, bo, property);

        // refresh de l'objet
        hSession.refresh(bo, LockMode.UPGRADE);

        // recuperation du BLOB
        BLOB oracleBLOB = (BLOB) PropertyUtils.getProperty(bo, property);

        // ouverture du stream d'ecriture sur le BLOB
        OutputStream blobOutputStream = oracleBLOB.getBinaryOutputStream();

        InputStream sampleFileStream = new FileInputStream(file);

        // cas tres gros fichier
        if (fSize > Integer.MAX_VALUE) {
            buffer = new byte[Integer.MAX_VALUE];
        } else {
            buffer = new byte[(int) file.length()];
        }

        int nread = 0;
        while ((nread = sampleFileStream.read(buffer)) != -1)
            blobOutputStream.write(buffer, 0, nread);
        sampleFileStream.close();
        blobOutputStream.flush();
        blobOutputStream.close();

    } catch (Exception e) {
        log.error("Probleme lors de l'ecriture des donnees dans le BLOB", e);
        throw new JrafPersistenceException("Probleme lors de l'ecriture des donnees dans le BLOB", e);
    }

}

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