org.apache.openjpa.kernel
Interface OpCallbacks

public interface OpCallbacks

Allows facades to control the particulars of persistence operations through callbacks.

Author:

Abe White

Field Summary

static int	ACT_CASCADE
static int	ACT_NONE
static int	ACT_RUN
static int	OP_ATTACH
static int	OP_DELETE
static int	OP_DETACH
static int	OP_EVICT
static int	OP_LOCK
static int	OP_NONTRANSACTIONAL
static int	OP_PERSIST
static int	OP_REFRESH
static int	OP_RELEASE
static int	OP_RETRIEVE
static int	OP_TRANSACTIONAL

Method Summary

int	processArgument(int op, java.lang.Object arg, OpenJPAStateManager sm) Process operation argument.

Field Detail

OP_PERSIST

static final int OP_PERSIST

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Constant Field Values

OP_DELETE

static final int OP_DELETE

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Constant Field Values

OP_REFRESH

static final int OP_REFRESH

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Constant Field Values

OP_RETRIEVE

static final int OP_RETRIEVE

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Constant Field Values

OP_RELEASE

static final int OP_RELEASE

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Constant Field Values

OP_EVICT

static final int OP_EVICT

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Constant Field Values

OP_ATTACH

static final int OP_ATTACH

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Constant Field Values

OP_DETACH

static final int OP_DETACH

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Constant Field Values

OP_NONTRANSACTIONAL

static final int OP_NONTRANSACTIONAL

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Constant Field Values

OP_TRANSACTIONAL

static final int OP_TRANSACTIONAL

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Constant Field Values

OP_LOCK

static final int OP_LOCK

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Constant Field Values

ACT_NONE

static final int ACT_NONE

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Constant Field Values

ACT_CASCADE

static final int ACT_CASCADE

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Constant Field Values

ACT_RUN

static final int ACT_RUN

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Constant Field Values

Method Detail

processArgument

int processArgument(int op,
                    java.lang.Object arg,
                    OpenJPAStateManager sm)

Process operation argument. Throw proper OpenJPAException for illegal value.

Parameters:

op - the operation constant

arg - the object passed to the operation

sm - the argument's state manager, or null if none

Returns:

the action to take on the argument