io.nflow.engine.config.db

Class Db2DatabaseConfiguration.Db2SQLVariants

java.lang.Object

io.nflow.engine.config.db.Db2DatabaseConfiguration.Db2SQLVariants

All Implemented Interfaces:

SQLVariants

Enclosing class:

Db2DatabaseConfiguration

public static class Db2DatabaseConfiguration.Db2SQLVariants
extends Object
implements SQLVariants

SQL variants optimized for DB2.

Constructor Summary

Constructors

Constructor and Description
Db2SQLVariants(String dbTimeZoneIdStr)

Method Summary

Modifier and Type	Method and Description
String	actionType() Returns SQL representing the action type parameter.
String	castToText() Returns string for casting value to text.
String	currentTimePlusSeconds(int seconds) Returns SQL representing the current database time plus given amount of seconds.
String	forUpdateInnerSelect()
org.joda.time.DateTime	getDateTime(ResultSet rs, String columnName)
Object	getTimestamp(ResultSet rs, String columnName)
boolean	hasUpdateableCTE() Returns false as DB2 does not support updateable CTEs.
boolean	hasUpdateReturning() Returns false as DB2 does not support update returning clause.
String	limit(String query, long limit) Returns SQL for a query with a limit of results.
int	longTextType() Returns the SQL type for long text.
String	nextActivationUpdate()
void	setDateTime(PreparedStatement ps, int columnNumber, org.joda.time.DateTime timestamp)
Object	toTimestampObject(org.joda.time.DateTime timestamp)
Object	tuneTimestampForDb(Object timestamp)
boolean	useBatchUpdate() Returns true as DB2 Express-C supports batch updates.
String	workflowStatus() Returns SQL representing the workflow instance status parameter.
String	workflowStatus(WorkflowInstance.WorkflowInstanceStatus status) Returns the SQL representation for given workflow instance status.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.nflow.engine.internal.storage.db.SQLVariants

dateLtEqDiff

Constructor Detail

Db2SQLVariants

public Db2SQLVariants(String dbTimeZoneIdStr)

Method Detail

currentTimePlusSeconds

public String currentTimePlusSeconds(int seconds)

Returns SQL representing the current database time plus given amount of seconds.

Specified by:

currentTimePlusSeconds in interface SQLVariants

hasUpdateReturning

public boolean hasUpdateReturning()

Returns false as DB2 does not support update returning clause.

Specified by:

hasUpdateReturning in interface SQLVariants

hasUpdateableCTE

public boolean hasUpdateableCTE()

Returns false as DB2 does not support updateable CTEs.

Specified by:

hasUpdateableCTE in interface SQLVariants

nextActivationUpdate

public String nextActivationUpdate()

Specified by:

nextActivationUpdate in interface SQLVariants

workflowStatus

public String workflowStatus(WorkflowInstance.WorkflowInstanceStatus status)

Returns the SQL representation for given workflow instance status.

Specified by:

workflowStatus in interface SQLVariants

workflowStatus

public String workflowStatus()

Returns SQL representing the workflow instance status parameter.

Specified by:

workflowStatus in interface SQLVariants

actionType

public String actionType()

Returns SQL representing the action type parameter.

Specified by:

actionType in interface SQLVariants

castToText

public String castToText()

Returns string for casting value to text.

Specified by:

castToText in interface SQLVariants

forUpdateInnerSelect

public String forUpdateInnerSelect()

Specified by:

forUpdateInnerSelect in interface SQLVariants

limit

public String limit(String query,
                    long limit)

Returns SQL for a query with a limit of results.

Specified by:

limit in interface SQLVariants

longTextType

public int longTextType()

Returns the SQL type for long text.

Specified by:

longTextType in interface SQLVariants

useBatchUpdate

public boolean useBatchUpdate()

Returns true as DB2 Express-C supports batch updates.

Specified by:

useBatchUpdate in interface SQLVariants

getTimestamp

public Object getTimestamp(ResultSet rs,
                           String columnName)
                    throws SQLException

Specified by:

getTimestamp in interface SQLVariants

Throws:

SQLException

getDateTime

public org.joda.time.DateTime getDateTime(ResultSet rs,
                                          String columnName)
                                   throws SQLException

Specified by:

getDateTime in interface SQLVariants

Throws:

SQLException

setDateTime

public void setDateTime(PreparedStatement ps,
                        int columnNumber,
                        org.joda.time.DateTime timestamp)
                 throws SQLException

Specified by:

setDateTime in interface SQLVariants

Throws:

SQLException

toTimestampObject

public Object toTimestampObject(org.joda.time.DateTime timestamp)

Specified by:

toTimestampObject in interface SQLVariants

tuneTimestampForDb

public Object tuneTimestampForDb(Object timestamp)

Specified by:

tuneTimestampForDb in interface SQLVariants