net.sf.dewdrop.sqlml.expr
Class BooleanExpression

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

Direct Known Subclasses:

And, Eq, Gt, Gte, Lt, Lte, Neq, Or

public abstract class BooleanExpression

extends Expression

Field Summary

protected String

operator

Fields inherited from class net.sf.dewdrop.sqlml.expr.Expression

DEFAULT_OPERAND_COUNT, maxOperands, operands

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

indentLevel, logger

Constructor Summary

protected

BooleanExpression()

Method Summary

SqlmlComponent	getLeftHandSide()
String	getOperator()
SqlmlComponent	getRightHandSide()
boolean	isComplex() Does this boolean expression have any nested BooleanExpressions?
void	onWriteSql(Writer out, Configuration cfg)
void	setLeftHandSide(SqlmlComponent lhs)
protected void	setOperator(String operator)
void	setRightHandSide(SqlmlComponent rhs)

Methods inherited from class net.sf.dewdrop.sqlml.expr.Expression

addOperand, equals, getMaxOperands, getNumOperands, getOperand, hashCode, setMaxOperands, setOperand

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

getIndentLevel, i18n, i18n, i18n, 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

operator

protected String operator

Constructor Detail

BooleanExpression

protected BooleanExpression()

Method Detail

getOperator

public String getOperator()

setOperator

protected void setOperator(String operator)

getLeftHandSide

public final SqlmlComponent getLeftHandSide()

setLeftHandSide

public final void setLeftHandSide(SqlmlComponent lhs)

getRightHandSide

public final SqlmlComponent getRightHandSide()

setRightHandSide

public final void setRightHandSide(SqlmlComponent rhs)

isComplex

public final boolean isComplex()

Does this boolean expression have any nested BooleanExpressions?

Returns:

true if this boolean expression has nested BooleanExpressions, false otherwise.

onWriteSql

public void onWriteSql(Writer out,
                       Configuration cfg)

Specified by:

onWriteSql in class SqlmlComponent