org.jfree.report.function
Class AbstractCompareExpression

java.lang.Object
  |
  +--org.jfree.report.function.AbstractExpression
        |
        +--org.jfree.report.function.AbstractCompareExpression

Direct Known Subclasses:

CompareDateExpression, CompareFieldsExpression, CompareNumberExpression, CompareStringExpression

public abstract class AbstractCompareExpression

extends AbstractExpression

Creation-Date: 27.01.2006, 20:38:41

Author:

Thomas Morgner

See Also:

Serialized Form

Field Summary

static java.lang.String	EQUAL
static java.lang.String	GREATER
static java.lang.String	GREATER_EQUAL
static java.lang.String	LOWER
static java.lang.String	LOWER_EQUAL
static java.lang.String	NOT_EQUAL

Constructor Summary

AbstractCompareExpression()

Method Summary

protected abstract java.lang.Comparable	getComparable()
java.lang.String	getCompareMethod()
java.lang.String	getField()
java.lang.Object	getValue() Return the current expression value.
void	setCompareMethod(java.lang.String compareMethod)
void	setField(java.lang.String field)

Methods inherited from class org.jfree.report.function.AbstractExpression

clone, getDataRow, getDependencyLevel, getInstance, getName, getReportConfiguration, getResourceBundleFactory, getRuntime, isActive, setActive, setDependencyLevel, setName, setRuntime

Methods inherited from class java.lang.Object

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

Field Detail

EQUAL

public static final java.lang.String EQUAL

NOT_EQUAL

public static final java.lang.String NOT_EQUAL

LOWER

public static final java.lang.String LOWER

GREATER

public static final java.lang.String GREATER

LOWER_EQUAL

public static final java.lang.String LOWER_EQUAL

GREATER_EQUAL

public static final java.lang.String GREATER_EQUAL

Constructor Detail

AbstractCompareExpression

public AbstractCompareExpression()

Method Detail

getValue

public java.lang.Object getValue()

Return the current expression value.

The value depends (obviously) on the expression implementation.

Returns:

the value of the function.

getField

public java.lang.String getField()

setField

public void setField(java.lang.String field)

getCompareMethod

public java.lang.String getCompareMethod()

setCompareMethod

public void setCompareMethod(java.lang.String compareMethod)

getComparable

protected abstract java.lang.Comparable getComparable()