AccessIntent interface

The AccessIntent interface is available to bean-managed persistence (BMP) entity beans.

A BMP entity bean can get and use an instance of the AccessIntent interface. For more information see Use the AccessIntent API.

AccessIntent interface

package com.ibm.websphere.appprofile.accessintent;   /**  * This interface defines the essential access intents  * available at run time.  */  public interface AccessIntent {   /**  * Returns the concurrency control intent, which indicates  * the application prefers either pessimistic or optimistic  * concurrency control when accessing the current component  * in the context of the current transaction.  */  public int getConcurrencyControl();  public final int CONCURRENCY_CONTROL_PESSIMISTIC = 1;  public final int CONCURRENCY_CONTROL_OPTIMISTIC = 2;   /**  * Returns access type intent, which indicates the application  * intends either update or read access of the current component  * in the context of the current transaction.  */  public int getAccessType();  public final int ACCESS_TYPE_UPDATE= 1;  public final int ACCESS_TYPE_READ = 2;   /**  * Returns an integer value that indicates that the run time should  * assume that there will be no collision on retrieved rows.  */  public int getPessimisticUpdateLockHint();
public final static int PESSIMISTIC_UPDATE_LOCK_HINT_NOCOLLISION = 1;
public final static int PESSIMISTIC_UPDATE_LOCK_HINT_WEAKEST_LOCK_AT_LOAD = 2;
public final static int PESSIMISTIC_UPDATE_LOCK_HINT_NONE = 3;
public final static int PESSIMISTIC_UPDATE_LOCK_HINT_EXCLUSIVE = 4;   /*  * Returns an integer value that indicates that the run time should  * assume that there will be collisions on retrieved rows.  */  public int getPessimisticUpdateLockHint();
public final static int PESSIMISTIC_UPDATE_LOCK_HINT_NOCOLLISION = 1;
public final static int PESSIMISTIC_UPDATE_LOCK_HINT_WEAKEST_LOCK_AT_LOAD = 2;
public final static int PESSIMISTIC_UPDATE_LOCK_HINT_NONE = 3;
public final static int PESSIMISTIC_UPDATE_LOCK_HINT_EXCLUSIVE = 4;     /**  * Returns the collection access intent, which indicates the  * application intends to access the objects returned by the  * currently executing finder in either serial or random fashion.  */  public int getCollectionAccess();  public final int COLLECTION_ACCESS_RANDOM = 1;  public final int COLLECTION_ACCESS_SERIAL = 2;   /**  * Returns the collection scope, which indicates the maximum  * lifespan of a lazy collection.  */  public int getCollectionScope();  public final int COLLECTION_SCOPE_TRANSACTION = 1;  public final int COLLECTION_SCOPE_ACTIVITYSESSION = 2;  public final int COLLECTION_SCOPE_TIMEOUT = 3;   /**  * Returns the timeout value in seconds when collectionScope is Timeout.  */  public int getCollectionTimeout();   /**  * Returns the number of elements the application requests be contained  * in each segment of the element collection returned by the currently  * executing finder.  */  public int getCollectionIncrement();   /**  * Returns the ReadAheadHint requested by the application for the currently  * executing finder.  */  public ReadAheadHint getReadAheadHint();   /**  * Returns the number of elements the application requests be contained in  * each segment of a query made on a database.  */  public int getResourceManagerPreFetchIncrement();   } 

Related concepts

(zos) Access intent service

Related tasks

Access intent policies for EJB 2.x entity beans

Apply access intent policies to beans

Configure read-read consistency checking with an assembly tool

Apply access intent policies to methods

Access intent exceptions

Access intent troubleshooting tips