net.sf.dewdrop.sqlml.expr
Class Expression

java.lang.Object
  net.sf.dewdrop.sqlml.SqlmlComponent
      net.sf.dewdrop.sqlml.expr.Expression

Direct Known Subclasses:

BooleanExpression

public abstract class Expression

extends SqlmlComponent

Author:

Les Hazlewood

Field Summary

protected static int	DEFAULT_OPERAND_COUNT
protected int	maxOperands
protected List	operands A List of SqlmlComponents.

Fields inherited from class net.sf.dewdrop.sqlml.SqlmlComponent

indentLevel, logger

Constructor Summary

protected

Expression()

Method Summary

void	addOperand(Object operand) Adds the specified operand to the end of this expression's operand list.
boolean	equals(Object toCheck)
int	getMaxOperands()
int	getNumOperands()
Object	getOperand(int index)
int	hashCode()
protected void	setMaxOperands(int maxAllowed)
void	setOperand(int index, Object operand)

Methods inherited from class net.sf.dewdrop.sqlml.SqlmlComponent

getIndentLevel, i18n, i18n, i18n, onWriteSql, setIndentLevel, toSql, toSql, toSql, toString, writeSql, writeSql, writeSql

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

DEFAULT_OPERAND_COUNT

protected static final int DEFAULT_OPERAND_COUNT

See Also:

Constant Field Values

maxOperands

protected int maxOperands

operands

protected final List operands

A List of SqlmlComponents.

Constructor Detail

Expression

protected Expression()

Method Detail

setMaxOperands

protected void setMaxOperands(int maxAllowed)

getMaxOperands

public int getMaxOperands()

getNumOperands

public int getNumOperands()

setOperand

public void setOperand(int index,
                       Object operand)

getOperand

public Object getOperand(int index)

addOperand

public void addOperand(Object operand)

Adds the specified operand to the end of this expression's operand list.

Parameters:

operand - the operand to append to the operand list

equals

public boolean equals(Object toCheck)

Overrides:

equals in class SqlmlComponent

hashCode

public int hashCode()