org.h2.command.query

Class ForUpdate

java.lang.Object

org.h2.command.query.ForUpdate

All Implemented Interfaces:

HasSQL

public final class ForUpdate
extends java.lang.Object
implements HasSQL

FOR UPDATE clause.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ForUpdate.Type Type of FOR UPDATE clause.

Field Summary

Fields

Modifier and Type	Field and Description
static ForUpdate	DEFAULT FOR UPDATE clause without additional parameters.
static ForUpdate	NOWAIT FOR UPDATE NOWAIT clause.
static ForUpdate	SKIP_LOCKED FOR UPDATE SKIP LOCKED clause.

Fields inherited from interface org.h2.util.HasSQL

ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

Method Summary

Modifier and Type	Method and Description
java.lang.StringBuilder	getSQL(java.lang.StringBuilder builder, int sqlFlags) Appends the SQL statement of this object to the specified builder.
int	getTimeoutMillis() Returns timeout in milliseconds.
ForUpdate.Type	getType() Returns type of FOR UPDATE clause.
static ForUpdate	wait(int timeoutMillis) Returns FOR UPDATE WAIT N clause.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.h2.util.HasSQL

getSQL, getTraceSQL

Field Detail

DEFAULT

public static final ForUpdate DEFAULT

FOR UPDATE clause without additional parameters.

NOWAIT

public static final ForUpdate NOWAIT

FOR UPDATE NOWAIT clause.

SKIP_LOCKED

public static final ForUpdate SKIP_LOCKED

FOR UPDATE SKIP LOCKED clause.

Method Detail

wait

public static final ForUpdate wait(int timeoutMillis)

Returns FOR UPDATE WAIT N clause.

Parameters:

timeoutMillis - timeout in milliseconds

Returns:

FOR UPDATE WAIT N clause

getType

public ForUpdate.Type getType()

Returns type of FOR UPDATE clause.

Returns:

type of FOR UPDATE clause

getTimeoutMillis

public int getTimeoutMillis()

Returns timeout in milliseconds.

Returns:

timeout in milliseconds for ForUpdate.Type.WAIT, 0 for ForUpdate.Type.NOWAIT, -2 for ForUpdate.Type.SKIP_LOCKED, -1 for default timeout

getSQL

public java.lang.StringBuilder getSQL(java.lang.StringBuilder builder,
                                      int sqlFlags)

Description copied from interface: HasSQL

Appends the SQL statement of this object to the specified builder.

Specified by:

getSQL in interface HasSQL

Parameters:

builder - string builder

sqlFlags - formatting flags

Returns:

the specified string builder