Examples of oracle.toplink.essentials.sessions.Session

Package oracle.toplink.essentials.sessions

Examples of oracle.toplink.essentials.sessions.Session

oracle.toplink.essentials.sessions.Session
Purpose: Define the TopLink session public interface.
Description: This interface is meant to clarify the public protocol into TopLink. It also allows for non-subclasses of Session to conform to the TopLink API. It should be used as the applications main interface into the TopLink API to ensure compatibility between all TopLink sessions.
Responsibilities:
- Define the API for all reading, units of work.
@see UnitOfWork @see DatabaseSession @see oracle.toplink.essentials.publicinterface.Session @see oracle.toplink.essentials.publicinterface.DatabaseSession @see oracle.toplink.essentials.threetier.ServerSession @see oracle.toplink.essentials.threetier.ClientSession

  * second argument is not a valid type for that entity's primaryKey
  */
  public Object find(String entityName, Object primaryKey){
        try {
            verifyOpen();
            Session session = getActiveSession();
            ClassDescriptor descriptor = session.getDescriptorForAlias(entityName);
            if (descriptor == null || descriptor.isAggregateDescriptor() || descriptor.isAggregateCollectionDescriptor()){
                throw new IllegalArgumentException(ExceptionLocalization.buildMessage("unknown_entitybean_name", new Object[] {entityName}));
            }
            if (primaryKey == null){ //gf721 - check for null PK
                throw new IllegalArgumentException(ExceptionLocalization.buildMessage("null_pk"));

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  * @throws IllegalArgumentException if the first argument does
  * not denote an entity type or the second argument is not a valid type for that
  * entity's primary key
  */
  protected Object findInternal(Class entityClass, Object primaryKey) {
      Session session = getActiveSession();
      ClassDescriptor descriptor = session.getDescriptor(entityClass);
      if (descriptor == null || descriptor.isAggregateDescriptor() || descriptor.isAggregateCollectionDescriptor()){
          throw new IllegalArgumentException(ExceptionLocalization.buildMessage("unknown_bean_class", new Object[]{ entityClass}));
      }
      if (primaryKey == null){ //gf721 - check for null PK
        throw new IllegalArgumentException(ExceptionLocalization.buildMessage("null_pk"));

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Related Classes of oracle.toplink.essentials.sessions.Session

oracle.toplink.essentials.internal.ejb.cmp3.base.EntityManagerImpl

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