Package com.orientechnologies.orient.core.sql.functions

Class OSQLFunctionConfigurableAbstract

java.lang.Object

com.orientechnologies.orient.core.sql.functions.OSQLFunctionAbstract

com.orientechnologies.orient.core.sql.functions.OSQLFunctionConfigurableAbstract

All Implemented Interfaces:

OSQLFunction

Direct Known Subclasses:

OSQLFunctionConcat, OSQLFunctionFirst, OSQLFunctionLast, OSQLFunctionMathAbstract, OSQLFunctionMove, OSQLFunctionMultiValueAbstract, OSQLFunctionSequence, OSQLFunctionTraversedElement

public abstract class OSQLFunctionConfigurableAbstract
extends OSQLFunctionAbstract

Abstract class to extend to build Custom SQL Functions that saves the configured parameters. Extend it and register it with: OSQLParser.getInstance().registerStatelessFunction() or OSQLParser.getInstance().registerStatefullFunction() to being used by the SQL engine.

Author:

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

Field Summary

Fields

Modifier and Type	Field	Description
protected Object[]	configuredParameters

Fields inherited from class com.orientechnologies.orient.core.sql.functions.OSQLFunctionAbstract

maxParams, minParams, name

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	OSQLFunctionConfigurableAbstract(String iName, int iMinParams, int iMaxParams)

Method Summary

Modifier and Type	Method	Description
void	config(Object[] iConfiguredParameters)	Configure the function.
String	toString()

Methods inherited from class com.orientechnologies.orient.core.sql.functions.OSQLFunctionAbstract

aggregateResults, filterResult, getDatabase, getDistributedStorageId, getMaxParams, getMinParams, getName, getResult, getSingleItem, getSingleProperty, mergeDistributedResult, returnDistributedResult, setResult, shouldMergeDistributedResult

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.orientechnologies.orient.core.sql.functions.OSQLFunction

execute, getSyntax

Field Details

configuredParameters

protected Object[] configuredParameters

Constructor Details

OSQLFunctionConfigurableAbstract

protected OSQLFunctionConfigurableAbstract(String iName,
 int iMinParams,
 int iMaxParams)

Method Details

config

public void config(Object[] iConfiguredParameters)

Description copied from interface: OSQLFunction

Configure the function.

Specified by:

config in interface OSQLFunction

Overrides:

config in class OSQLFunctionAbstract

toString

public String toString()

Overrides:

toString in class OSQLFunctionAbstract