Package com.arcadedb.query.sql.method.misc

Class AbstractSQLMethod

java.lang.Object

com.arcadedb.query.sql.method.misc.AbstractSQLMethod

All Implemented Interfaces:

SQLMethod, Comparable<SQLMethod>

Direct Known Subclasses:

SQLMethodAppend, SQLMethodAsBoolean, SQLMethodAsDate, SQLMethodAsDateTime, SQLMethodAsDecimal, SQLMethodAsFloat, SQLMethodAsInteger, SQLMethodAsList, SQLMethodAsLong, SQLMethodAsMap, SQLMethodAsSet, SQLMethodAsString, SQLMethodCharAt, SQLMethodConvert, SQLMethodField, SQLMethodFormat, SQLMethodHash, SQLMethodIndexOf, SQLMethodJavaType, SQLMethodKeys, SQLMethodLastIndexOf, SQLMethodLeft, SQLMethodLength, SQLMethodNormalize, SQLMethodPrefix, SQLMethodRemove, SQLMethodRemoveAll, SQLMethodReplace, SQLMethodRight, SQLMethodSize, SQLMethodSplit, SQLMethodSubString, SQLMethodToJSON, SQLMethodToLowerCase, SQLMethodToUpperCase, SQLMethodTrim, SQLMethodType

public abstract class AbstractSQLMethod
extends Object
implements SQLMethod

Author:

Johann Sorel (Geomatys)

Constructor Summary

Constructors

Constructor	Description
AbstractSQLMethod(String name)
AbstractSQLMethod(String name, int nbparams)
AbstractSQLMethod(String name, int minparams, int maxparams)

Method Summary

Modifier and Type	Method	Description
int	compareTo(SQLMethod o)
boolean	evaluateParameters()
int	getMaxParams()
int	getMinParams()
String	getName()
protected Object	getParameterValue(Identifiable iRecord, String iValue)
String	getSyntax()	Returns a convenient SQL String representation of the method.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.arcadedb.query.sql.executor.SQLMethod

execute

Constructor Detail

AbstractSQLMethod

public AbstractSQLMethod(String name)

AbstractSQLMethod

public AbstractSQLMethod(String name,
                         int nbparams)

AbstractSQLMethod

public AbstractSQLMethod(String name,
                         int minparams,
                         int maxparams)

Method Detail

getName

public String getName()

Specified by:

getName in interface SQLMethod

Returns:

method name

getSyntax

public String getSyntax()

Description copied from interface: SQLMethod

Returns a convenient SQL String representation of the method.

Example :

  field.myMethod( param1, param2, [optionalParam3])
 

This text will be used in exception messages.

Specified by:

getSyntax in interface SQLMethod

Returns:

String , never null.

getMinParams

public int getMinParams()

Specified by:

getMinParams in interface SQLMethod

Returns:

minimum number of arguments requiered by this method

getMaxParams

public int getMaxParams()

Specified by:

getMaxParams in interface SQLMethod

Returns:

maximum number of arguments requiered by this method

getParameterValue

protected Object getParameterValue(Identifiable iRecord,
                                   String iValue)

compareTo

public int compareTo(SQLMethod o)

Specified by:

compareTo in interface Comparable<SQLMethod>

toString

public String toString()

Overrides:

toString in class Object

evaluateParameters

public boolean evaluateParameters()

Specified by:

evaluateParameters in interface SQLMethod