net.sf.saffron.sql
Class SqlCall

java.lang.Object
  |
  +--net.sf.saffron.sql.SqlNode
        |
        +--net.sf.saffron.sql.SqlCall

Direct Known Subclasses:

SqlDelete, SqlExplain, SqlInsert, SqlJoin, SqlSelect

public class SqlCall

extends SqlNode

A SqlCall is a call to an operator. (Operators can be used to describe any syntactic construct, so in practice, every non-leaf node in a SQL parse tree is a SqlCall of some kind.)

Nested Class Summary

Nested classes inherited from class net.sf.saffron.sql.SqlNode

SqlNode.DatabaseMetaDataInvocationHandler

Field Summary

(package private) SqlNode[]	operands
SqlOperator	operator

Constructor Summary

(package private)

SqlCall(SqlOperator operator, SqlNode[] operands)

Method Summary

void	addOperand(SqlNode operand)
Object	clone()
SqlKind	getKind() Returns the type of node this is, or SqlKind.Other if it's nothing special.
SqlNode[]	getOperands()
boolean	isA(SqlKind kind) Returns whether this node is a particular kind.
void	setOperand(int i, SqlNode operand)
void	unparse(SqlWriter writer, int leftPrec, int rightPrec) Writes a SQL representation of this node to a writer.

Methods inherited from class net.sf.saffron.sql.SqlNode

cloneArray, toString, toString

Methods inherited from class java.lang.Object

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

Field Detail

operator

public final SqlOperator operator

operands

SqlNode[] operands

Constructor Detail

SqlCall

SqlCall(SqlOperator operator,
        SqlNode[] operands)

Method Detail

isA

public boolean isA(SqlKind kind)

Description copied from class: SqlNode

Returns whether this node is a particular kind.

Overrides:

isA in class SqlNode

Parameters:

kind - a SqlKind value

getKind

public SqlKind getKind()

Description copied from class: SqlNode

Returns the type of node this is, or SqlKind.Other if it's nothing special.

Overrides:

getKind in class SqlNode

Returns:

a SqlKind value, never null

setOperand

public void setOperand(int i,
                       SqlNode operand)

getOperands

public SqlNode[] getOperands()

addOperand

public void addOperand(SqlNode operand)

clone

public Object clone()

Specified by:

clone in class SqlNode

unparse

public void unparse(SqlWriter writer,
                    int leftPrec,
                    int rightPrec)

Description copied from class: SqlNode

Writes a SQL representation of this node to a writer.

Specified by:

unparse in class SqlNode