Persister (Grace Data - 2024.1.0-RC1)

```
public interface Persister
```
A Persister is responsible for persisting and retrieving an object.
Authors:
Graeme Rocher
Since:
1.0

Methods Summary

Methods
Type Params	Return Type	Name and description
	`public Query`	`createQuery()` Creates a query for the entity
	`public void`	`delete(Iterable objects)` Deletes one or many objects
	`public void`	`delete(Object obj)` Deletes a single object
	`public Serializable`	`getObjectIdentifier(Object o)` Get the identifier for the given object, if it has one.
	`public Class`	`getType()` The type this persister persists
	`public Serializable`	`insert(Object o)` Forces an insert of an object rather than trying to guess if it is an insert or an update
	`public Serializable`	`persist(Object obj)` Persist an object using the given mapping context
	`public List<Serializable>`	`persist(Iterable objs)` Persists a number of objects at the same time and returns their keys in the order specified by the objs parameter
	`public Object`	`proxy(Serializable key)` Creates a proxy for the given key
	`public Serializable`	`refresh(Object o)` Refreshes the given objects state
	`public Object`	`retrieve(Serializable key)` Retrieves an object for the given context and Key
	`public List<Object>`	`retrieveAll(Iterable<Serializable> keys)` Batch retrieve several objects in one go
	`public List<Object>`	`retrieveAll(Serializable[] keys)` Batch retrieve several objects in one go

- Method Detail
  - public Query createQuery()
    
    Creates a query for the entity
    Returns:
    The Query object
  - public void delete(@SuppressWarnings("rawtypes")
    Iterable objects)
    
    Deletes one or many objects
    Parameters:
    objects - The objects to delete. Must all be of the same type or an exception will be thrown.
  - public void delete(Object obj)
    
    Deletes a single object
    Parameters:
    obj - The object
  - public Serializable getObjectIdentifier(Object o)
    
    Get the identifier for the given object, if it has one.
    Parameters:
    o - The object.
    Returns:
    The object's id.
  - @SuppressWarnings("rawtypes")
    public Class getType()
    
    The type this persister persists
    Returns:
    The class this persisters persists
  - public Serializable insert(Object o)
    
    Forces an insert of an object rather than trying to guess if it is an insert or an update
    Parameters:
    o - The object
    Returns:
    The id
  - public Serializable persist(Object obj)
    
    Persist an object using the given mapping context
    Parameters:
    obj - The object
    Returns:
    A generated Key
  - public List<Serializable> persist(@SuppressWarnings("rawtypes")
    Iterable objs)
    
    Persists a number of objects at the same time and returns their keys in the order specified by the objs parameter
    Parameters:
    objs - The objects
    Returns:
    A list of keys
  - public Object proxy(Serializable key)
    
    Creates a proxy for the given key
    Parameters:
    key - The key
    Returns:
    The proxy
  - public Serializable refresh(Object o)
    
    Refreshes the given objects state
    Parameters:
    o - The object to refresh
    Returns:
    The objects id
  - public Object retrieve(Serializable key)
    
    Retrieves an object for the given context and Key
    Parameters:
    key - The key
    Returns:
    The object in question
  - public List<Object> retrieveAll(Iterable<Serializable> keys)
    
    Batch retrieve several objects in one go
    Parameters:
    keys - The keys
    Returns:
    The objects in a list in the same order as the specified keys
  - public List<Object> retrieveAll(Serializable[] keys)
    
    Batch retrieve several objects in one go
    Parameters:
    keys - The keys
    Returns:
    The objects in a list in the same order as the specified keys

Summary:
Method

| Detail:
Method

Groovy Documentation

[Java] Interface Persister

Methods Summary

Method Detail

public Query createQuery()

public void delete(@SuppressWarnings("rawtypes")
Iterable objects)

public void delete(Object obj)

public Serializable getObjectIdentifier(Object o)

@SuppressWarnings("rawtypes")
public Class getType()

public Serializable insert(Object o)

public Serializable persist(Object obj)

public List<Serializable> persist(@SuppressWarnings("rawtypes")
Iterable objs)

public Object proxy(Serializable key)

public Serializable refresh(Object o)

public Object retrieve(Serializable key)

public List<Object> retrieveAll(Iterable<Serializable> keys)

public List<Object> retrieveAll(Serializable[] keys)

[Java] Interface Persister

Methods Summary

Method Detail

public Query createQuery()

public void delete(@SuppressWarnings("rawtypes")Iterable objects)

public void delete(Object obj)

public Serializable getObjectIdentifier(Object o)

@SuppressWarnings("rawtypes")public Class getType()

public Serializable insert(Object o)

public Serializable persist(Object obj)

public List<Serializable> persist(@SuppressWarnings("rawtypes")Iterable objs)

public Object proxy(Serializable key)

public Serializable refresh(Object o)

public Object retrieve(Serializable key)

public List<Object> retrieveAll(Iterable<Serializable> keys)

public List<Object> retrieveAll(Serializable[] keys)

public void delete(@SuppressWarnings("rawtypes")
Iterable objects)

@SuppressWarnings("rawtypes")
public Class getType()

public List<Serializable> persist(@SuppressWarnings("rawtypes")
Iterable objs)