Session (g9 JGrape 2.8.1 API)

All Known Implementing Classes:

AbstractHibernateSession, HibernateSession, HibernateStatelessSession
```
public interface Session
```
General session interface for the dataaccess package. All data access from the application is handled using this interface.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`beginTransaction()` Start a new transaction.
`List<Object>`	`buildCriterionList(Object key, List<String> keyAttributeNames)` Build a list of "equal" criterions for the given key object and list of attribute names.
`List<Object>`	`buildQueryParameterValueList(Object key, List<String> keyAttributeNames)` Build a list of parameter values for the given key object and list of attribute names.
`String`	`buildQueryString(Class<?> clazz, List<String> keyAttributeNames)` Build a query string for the given class and list of attribute names.
`boolean`	`canRollbackTransaction()` Return true if the session has a transaction that can be rolled back.
`void`	`close()` Close this database session.
`void`	`commitTransaction()` Commit the current transaction.
`void`	`delete(Object object)` Delete the given object in the database.
`void`	`flush()` Flush the session cache changes to the database.
`Object`	`get(FindData findData)` Get one object from the database according to the given findData.
`List<?>`	`getAll(FindData findData)` Get a list of objects from the database according to the given findData.
`boolean`	`hasActiveTransaction()` Return true if the session has an active transaction.
`boolean`	`hasLockFlag(Class<?> domainClass)` Return true if the domain class uses lock flags (optimistic locking) in the database.
`void`	`initialize(Object object)` Initialize (load) a proxy object or collection from the database.
`Serializable`	`insert(Object object)` Insert a new object in the database.
`boolean`	`isInitialized(Object object)` Check if the given proxy object or collection is initialized (loaded) from the database.
`Object`	`merge(Object object)` Copy the state of the detached instance to a persistent instance with the same identifier.
`void`	`refresh(Object object)` Refresh the (cached) object from the database.
`void`	`rollbackTransaction()` Rollback the current transaction.
`void`	`update(Object object)` Update the given object.

- Method Detail
  - get
```
Object get(FindData findData)
```
    Get one object from the database according to the given findData.
    
    Parameters:
    
    findData - (missing javadoc)
    
    Returns:
    
    (missing javadoc)
  - getAll
```
List<?> getAll(FindData findData)
```
    Get a list of objects from the database according to the given findData.
    
    Parameters:
    
    findData - (missing javadoc)
    
    Returns:
    
    (missing javadoc)
  - insert
```
Serializable insert(Object object)
```
    Insert a new object in the database.
    
    Parameters:
    
    object - (missing javadoc)
    
    Returns:
    
    (missing javadoc)
  - update
```
void update(Object object)
```
    Update the given object.
    
    Parameters:
    
    object - (missing javadoc)
  - merge
```
Object merge(Object object)
```
    Copy the state of the detached instance to a persistent instance with the same identifier. The persistent instance will be loaded if necessary.
    
    Parameters:
    
    object - the detached instance
    
    Returns:
    
    the merged persistent instance
  - delete
```
void delete(Object object)
```
    Delete the given object in the database.
    
    Parameters:
    
    object - (missing javadoc)
  - isInitialized
```
boolean isInitialized(Object object)
```
    Check if the given proxy object or collection is initialized (loaded) from the database.
    
    Parameters:
    
    object - the proxy object or collection to check
  - initialize
```
void initialize(Object object)
```
    Initialize (load) a proxy object or collection from the database.
    
    Parameters:
    
    object - (missing javadoc)
  - refresh
```
void refresh(Object object)
```
    Refresh the (cached) object from the database. Updates the object state after database changes (triggers etc).
    
    Parameters:
    
    object - (missing javadoc)
  - close
```
void close()
```
    Close this database session.
  - flush
```
void flush()
```
    Flush the session cache changes to the database.
  - beginTransaction
```
void beginTransaction()
```
    Start a new transaction.
  - commitTransaction
```
void commitTransaction()
```
    Commit the current transaction.
  - rollbackTransaction
```
void rollbackTransaction()
```
    Rollback the current transaction.
  - canRollbackTransaction
```
boolean canRollbackTransaction()
```
    Return true if the session has a transaction that can be rolled back.
    
    Returns:
    
    (missing javadoc)
  - hasActiveTransaction
```
boolean hasActiveTransaction()
```
    Return true if the session has an active transaction.
    
    Returns:
    
    (missing javadoc)
  - hasLockFlag
```
boolean hasLockFlag(Class<?> domainClass)
```
    Return true if the domain class uses lock flags (optimistic locking) in the database.
    
    Parameters:
    
    domainClass - the domain class to check.
    
    Returns:
    
    true if lock flag is used, false otherwise.
  - buildQueryString
```
String buildQueryString(Class<?> clazz,
                        List<String> keyAttributeNames)
```
    Build a query string for the given class and list of attribute names.
    
    Parameters:
    
    clazz - (missing javadoc)
    
    keyAttributeNames - (missing javadoc)
    
    Returns:
    
    (missing javadoc)
  - buildQueryParameterValueList
```
List<Object> buildQueryParameterValueList(Object key,
                                          List<String> keyAttributeNames)
```
    Build a list of parameter values for the given key object and list of attribute names.
    
    Parameters:
    
    key - (missing javadoc)
    
    keyAttributeNames - (missing javadoc)
    
    Returns:
    
    (missing javadoc)
  - buildCriterionList
```
List<Object> buildCriterionList(Object key,
                                List<String> keyAttributeNames)
```
    Build a list of "equal" criterions for the given key object and list of attribute names.
    
    Parameters:
    
    key - (missing javadoc)
    
    keyAttributeNames - (missing javadoc)
    
    Returns:
    
    the list of criterions.

Interface Session

Method Summary

Method Detail

get

getAll

insert

update

merge

delete

isInitialized

initialize

refresh

close

flush

beginTransaction

commitTransaction

rollbackTransaction

canRollbackTransaction

hasActiveTransaction

hasLockFlag

buildQueryString

buildQueryParameterValueList

buildCriterionList