org.delia.db.memdb.filter

Class OpEvaluatorBase

java.lang.Object

org.delia.db.memdb.filter.OpEvaluatorBase

All Implemented Interfaces:

OpEvaluator

Direct Known Subclasses:

BooleanOpEvaluator, DateOpEvaluator, IntOpEvaluator, LongOpEvaluator, NumberOpEvaluator, RelationOpEvaluator, StringOpEvaluator

public abstract class OpEvaluatorBase
extends Object
implements OpEvaluator

Field Summary

Fields

Modifier and Type	Field and Description
protected String	fieldName
protected boolean	negFlag
protected OP	op
protected Object	rightVar
static String	SCALAR_VAL

Constructor Summary

Constructors

Constructor and Description
OpEvaluatorBase(OP op, String fieldName)

Method Summary

Modifier and Type	Method and Description
protected Boolean	checkNull(DValue dval, Object right)
protected abstract boolean	doMatch(Object left)
protected DValue	getFieldValue(DValue dval)
boolean	match(Object left)
void	setNegFlag(boolean negFlag)
void	setRightVar(Object rightVar)

Methods inherited from class java.lang.Object

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

Field Detail

SCALAR_VAL

public static final String SCALAR_VAL

See Also:

Constant Field Values

fieldName

protected String fieldName

op

protected OP op

rightVar

protected Object rightVar

negFlag

protected boolean negFlag

Constructor Detail

OpEvaluatorBase

public OpEvaluatorBase(OP op,
                       String fieldName)

Method Detail

checkNull

protected Boolean checkNull(DValue dval,
                            Object right)

getFieldValue

protected DValue getFieldValue(DValue dval)

match

public boolean match(Object left)

Specified by:

match in interface OpEvaluator

doMatch

protected abstract boolean doMatch(Object left)

setRightVar

public void setRightVar(Object rightVar)

Specified by:

setRightVar in interface OpEvaluator

setNegFlag

public void setNegFlag(boolean negFlag)

Specified by:

setNegFlag in interface OpEvaluator