Package com.orientechnologies.orient.core.sql.method.misc

Class OSQLMethodFunctionDelegate

java.lang.Object

com.orientechnologies.orient.core.sql.method.misc.OAbstractSQLMethod

com.orientechnologies.orient.core.sql.method.misc.OSQLMethodFunctionDelegate

All Implemented Interfaces:

OSQLMethod, Comparable<OSQLMethod>

public class OSQLMethodFunctionDelegate
extends OAbstractSQLMethod

Delegates the execution to a function.

Author:

Luca Garulli (l.garulli--(at)--orientdb.com)

Field Summary

Fields

Modifier and Type	Field	Description
static final String	NAME

Constructor Summary

Constructors

Constructor	Description
OSQLMethodFunctionDelegate(OSQLFunction f)

Method Summary

Modifier and Type	Method	Description
Object	execute(Object iThis, OIdentifiable iCurrentRecord, OCommandContext iContext, Object ioResult, Object[] iParams)	Process a record.
int	getMaxParams()
int	getMinParams()
String	toString()

Methods inherited from class com.orientechnologies.orient.core.sql.method.misc.OAbstractSQLMethod

compareTo, evaluateParameters, getName, getParameterValue, getSyntax

Methods inherited from class java.lang.Object

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

Field Details

NAME

public static final String NAME

See Also:

• Constant Field Values

Constructor Details

OSQLMethodFunctionDelegate

public OSQLMethodFunctionDelegate(OSQLFunction f)

Method Details

getMinParams

public int getMinParams()

Specified by:

getMinParams in interface OSQLMethod

Overrides:

getMinParams in class OAbstractSQLMethod

Returns:

minimum number of arguments requiered by this method

getMaxParams

public int getMaxParams()

Specified by:

getMaxParams in interface OSQLMethod

Overrides:

getMaxParams in class OAbstractSQLMethod

Returns:

maximum number of arguments requiered by this method

execute

public Object execute(Object iThis,
 OIdentifiable iCurrentRecord,
 OCommandContext iContext,
 Object ioResult,
 Object[] iParams)

Description copied from interface: OSQLMethod

Process a record.

Parameters:

iThis -

iCurrentRecord - : current record

iContext - execution context

ioResult - : field value

iParams - : function parameters, number is ensured to be within minParams and maxParams.

Returns:

evaluation result

toString

public String toString()

Overrides:

toString in class OAbstractSQLMethod