org.jsimpledb.parse.func

Class ConcatFunction

java.lang.Object

org.jsimpledb.parse.func.AbstractFunction

org.jsimpledb.parse.func.SimpleFunction

org.jsimpledb.parse.func.ConcatFunction

All Implemented Interfaces:

Function

public class ConcatFunction
extends SimpleFunction

Field Summary

Fields inherited from class org.jsimpledb.parse.func.SimpleFunction

maxArgs, minArgs

Fields inherited from class org.jsimpledb.parse.func.AbstractFunction

log, name, spaceParser

Constructor Summary

Constructors

Constructor and Description
ConcatFunction()

Method Summary

Modifier and Type	Method and Description
protected Value	apply(ParseSession session, Value[] params) Apply this function to the given values.
String	getHelpDetail() Get expanded help (typically multiple lines).
String	getHelpSummary() Get summarized help (typically a single line).
EnumSet<SessionMode>	getSessionModes() Get the SessionMode(s) supported by this instance.
String	getUsage() Get function usage string.

Methods inherited from class org.jsimpledb.parse.func.SimpleFunction

apply, getMaxArgs, getMinArgs, parseParams

Methods inherited from class org.jsimpledb.parse.func.AbstractFunction

getName, parseExpressionParams, parseNextParameter

Methods inherited from class java.lang.Object

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

Constructor Detail

ConcatFunction

public ConcatFunction()

Method Detail

getHelpSummary

public String getHelpSummary()

Description copied from interface: Function

Get summarized help (typically a single line).

Returns:

one line summarized description of this function

getUsage

public String getUsage()

Description copied from interface: Function

Get function usage string. For example: pow(base, exponent).

Returns:

function usage string

getHelpDetail

public String getHelpDetail()

Description copied from class: AbstractFunction

Get expanded help (typically multiple lines). May refer to the usage string.

The implementation in AbstractFunction delegates to getHelpSummary().

The implementation in AbstractFunction just delegates to getHelpSummary().

Specified by:

getHelpDetail in interface Function

Overrides:

getHelpDetail in class AbstractFunction

Returns:

detailed description of this function

getSessionModes

public EnumSet<SessionMode> getSessionModes()

Description copied from class: AbstractFunction

Get the SessionMode(s) supported by this instance.

The implementation in AbstractFunction returns an EnumSet containing SessionMode.CORE_API and SessionMode.JSIMPLEDB.

Specified by:

getSessionModes in interface Function

Overrides:

getSessionModes in class AbstractFunction

Returns:

supported SessionModes

apply

protected Value apply(ParseSession session,
                      Value[] params)

Description copied from class: SimpleFunction

Apply this function to the given values.

Specified by:

apply in class SimpleFunction

Parameters:

session - parse session

params - parsed parameters; will already be checked between SimpleFunction.getMinArgs() and SimpleFunction.getMaxArgs()

Returns:

value returned by this function