Package org.eclipse.persistence.internal.sessions

Examples of org.eclipse.persistence.internal.sessions.AbstractSession

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        if (hasParameters()) {
            StringWriter writer = new StringWriter();
            writer.write(getSQLString());
            writer.write(Helper.cr());
            if (hasParameters()) {
                AbstractSession session = null;
                if (getQuery() != null) {
                    session = getQuery().getSession();
                }
                appendLogParameters(getParameters(), accessor, writer, session);
            }
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     * @exception  DatabaseException - an error has occurred on the database.
     */
    protected Object executeCall(DatasourceCall databaseCall) throws DatabaseException {
        // For CR 2923 must move to session we will execute call on now
        // so correct DatasourcePlatform used by translate.
        AbstractSession sessionToUse = getQuery().getExecutionSession();
        DatasourceCall clonedCall = (DatasourceCall)databaseCall.clone();
        clonedCall.setQuery(getQuery());
        clonedCall.translate(getTranslationRow(), getModifyRow(), sessionToUse);
        return sessionToUse.executeCall(clonedCall, getTranslationRow(), getQuery());
    }
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        //insert first, and then the LOb locator is retrieved and LOB data are written through
        //the locator.
        //
        // Bug 2804663 - LOBValueWriter is no longer a singleton, so we execute any deferred
        // select calls through the DatabaseAccessor which holds the writer instance
        AbstractSession executionSession = getQuery().getExecutionSession();
        executionSession.getAccessor().flushSelectCalls(executionSession);
    }
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     * This query is copied for concurrency so this prepare can only setup things that
     * will apply to any future execution of this query.
     */
    public void prepareCall() throws QueryException {
        DatabaseQuery query = getQuery();
        AbstractSession executionSession = query.getExecutionSession();
        if (hasMultipleCalls()) {
            for (Enumeration callsEnum = getCalls().elements(); callsEnum.hasMoreElements();) {
                DatasourceCall call = (DatasourceCall)callsEnum.nextElement();
                call.prepare(executionSession);
            }
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        // select calls through the DatabaseAccessor which holds the writer instance
        //
        // Building of SELECT statements is no longer done in DatabaseAccessor.basicExecuteCall
        // because DatabaseCall.isUpdateCall() can't recognize update in case StoredProcedureCall
        // is used.
        AbstractSession executionSession = getQuery().getExecutionSession();
        executionSession.getAccessor().flushSelectCalls(executionSession);
        return returnedRowCount;
    }
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    protected void updateForeignKeyFieldAfterInsert(WriteObjectQuery writeQuery) {
        writeQuery.setModifyRow(this.getDescriptor().getObjectBuilder().buildRow(writeQuery.getObject(), this.getSession()));

        // For CR 2923 must move to session we will execute call on now
        // so correct DatasourcePlatform used by translate.
        AbstractSession sessionToUse = getQuery().getExecutionSession();

        // yes - this is a bit ugly...
        Vector calls = ((DatasourceCallQueryMechanism)this.getDescriptor().getQueryManager().getUpdateQuery().getQueryMechanism()).getCalls();
        for (Enumeration stream = calls.elements(); stream.hasMoreElements();) {
            DatasourceCall call = (DatasourceCall)((DatasourceCall)stream.nextElement()).clone();
            call.setQuery(writeQuery);
            sessionToUse.executeCall(call, this.getTranslationRow(), writeQuery);
        }
    }
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    public void addObjectToCache(Object obj, Node node, XMLMapping selfRecordMapping) {
      // Can't process non-element nodes
      if (node.getNodeType() != Node.ELEMENT_NODE) {
        return;
      }
        AbstractSession session = context.getSession(obj);
        XMLDescriptor xmlDescriptor = (XMLDescriptor)session.getDescriptor(obj);
        DOMRecord row = new DOMRecord((Element)node);
        row.setSession(session);
        Vector pk = xmlDescriptor.getObjectBuilder().extractPrimaryKeyFromRow(row, session);
        if (xmlDescriptor.shouldPreserveDocument() || xmlDescriptor.getPrimaryKeyFieldNames().size() > 0) {
            if ((pk == null) || (pk.size() == 0)) {
                pk = new Vector();
                pk.addElement(new WeakObjectWrapper(obj));
            }
            CacheKey key = session.getIdentityMapAccessorInstance().acquireDeferredLock(pk, xmlDescriptor.getJavaClass(), xmlDescriptor);
            if ((xmlDescriptor).shouldPreserveDocument()) {
                key.setRecord(row);
            }
            key.setObject(obj);
            key.releaseDeferredLock();
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            key.releaseDeferredLock();
        }
    }
   
    public Node getNodeForObject(Object obj) {
        AbstractSession session = context.getSession(obj);
        XMLDescriptor xmlDescriptor = (XMLDescriptor)session.getDescriptor(obj);
        if(xmlDescriptor.shouldPreserveDocument()) {
            Vector pk = xmlDescriptor.getObjectBuilder().extractPrimaryKeyFromObject(obj, session);
            if ((pk == null) || (pk.size() == 0)) {
                pk = new Vector();
                pk.addElement(new WeakObjectWrapper(obj));
            }
            CacheKey cacheKey = session.getIdentityMapAccessorInstance().getCacheKeyForObject(pk, xmlDescriptor.getJavaClass(), xmlDescriptor);
            if(cacheKey != null && cacheKey.getRecord() != null) {
                return ((DOMRecord)cacheKey.getRecord()).getDOM();
            }
        }
        return null;
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     * @throws PersistenceException if an unsupported lock call is made
     */
    public <T> T find(Class<T> entityClass, Object primaryKey, LockModeType lockMode, Map properties) {
        try {
            verifyOpen();
            AbstractSession session = (AbstractSession)getActiveSession();
            ClassDescriptor descriptor = session.getDescriptor(entityClass);
            if (descriptor == null || descriptor.isAggregateDescriptor() || descriptor.isAggregateCollectionDescriptor()) {
                throw new IllegalArgumentException(ExceptionLocalization.buildMessage("unknown_bean_class", new Object[] { entityClass }));
            }
            return (T) findInternal(descriptor, session, primaryKey, lockMode, properties);
        } catch (RuntimeException e) {
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     *   second argument is not a valid type for that entity's primaryKey.
     */
    public Object find(String entityName, Object primaryKey) {
        try {
            verifyOpen();
            AbstractSession session = (AbstractSession)getActiveSession();
            ClassDescriptor descriptor = session.getDescriptorForAlias(entityName);
            if (descriptor == null || descriptor.isAggregateDescriptor() || descriptor.isAggregateCollectionDescriptor()) {
                throw new IllegalArgumentException(ExceptionLocalization.buildMessage("unknown_entitybean_name", new Object[] { entityName }));
            }
            return findInternal(descriptor, session, primaryKey, null, null);
        } catch (RuntimeException e) {
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Related Classes of org.eclipse.persistence.internal.sessions.AbstractSession

  • org.apache.ambari.server.orm.helpers.dbms.GenericDbmsHelper
  • org.eclipse.persistence.descriptors.ClassDescriptor
  • org.eclipse.persistence.descriptors.DescriptorEvent
  • org.eclipse.persistence.descriptors.invalidation.CacheInvalidationPolicy
  • org.eclipse.persistence.descriptors.TablePerMultitenantPolicy
  • org.eclipse.persistence.descriptors.VersionLockingPolicy
  • org.eclipse.persistence.eis.mappings.EISOneToManyMappingHelper
  • org.eclipse.persistence.history.HistoryPolicy
  • org.eclipse.persistence.internal.databaseaccess.Accessor
  • org.eclipse.persistence.internal.databaseaccess.DatabaseCall
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