org.wandora.query2

Class Compare

java.lang.Object

org.wandora.query2.Directive

org.wandora.query2.FilterDirective

org.wandora.query2.WhereDirective

org.wandora.query2.Compare

All Implemented Interfaces:

DirectiveUIHints.Provider

public class Compare
extends WhereDirective
implements DirectiveUIHints.Provider

Author:

olli

Field Summary

Fields

Modifier and Type	Field and Description
static int	EQ
static int	GE
static int	GT
static int	LE
static int	LT
static int	NE
static int	OP_MASK
private Operand	operand1
private Operand	operand2
private int	operator
static int	TYPE_MASK
static int	TYPE_NUMERIC
static int	TYPE_STRING
static int	TYPE_TOPIC

Fields inherited from class org.wandora.query2.Directive

DEFAULT_COL, DEFAULT_NS

Constructor Summary

Constructors

Constructor and Description
Compare()
Compare(java.lang.Object operand1, int operator, java.lang.Object operand2)
Compare(java.lang.Object operand1, java.lang.String operator, java.lang.Object operand2)

Method Summary

Modifier and Type	Method and Description
void	endQuery(QueryContext context) Signals end of query and performs any cleanup that may be needed.
DirectiveUIHints	getUIHints()
boolean	includeRow(QueryContext context, ResultRow row)
static int	parseOperator(java.lang.String operator)
boolean	startQuery(QueryContext context) Prepares the query for execution.

Methods inherited from class org.wandora.query2.WhereDirective

and, and, not, or, or, processRow

Methods inherited from class org.wandora.query2.FilterDirective

queryIterator

Methods inherited from class org.wandora.query2.Directive

as, as, debugString, debugString, debugStringInner, debugStringInner, debugStringInner, debugStringParams, debugStringParams, doQuery, from, from, from, from, from, from, from, from, from, from, getStandardAddonHints, getStandardAddonHints, isStatic, join, main, of, query, to, to, to, to, to, where, where

Methods inherited from class java.lang.Object

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

Field Detail

EQ

public static final int EQ

See Also:

Constant Field Values

NE

public static final int NE

See Also:

Constant Field Values

LT

public static final int LT

See Also:

Constant Field Values

GT

public static final int GT

See Also:

Constant Field Values

LE

public static final int LE

See Also:

Constant Field Values

GE

public static final int GE

See Also:

Constant Field Values

OP_MASK

public static final int OP_MASK

See Also:

Constant Field Values

TYPE_MASK

public static final int TYPE_MASK

See Also:

Constant Field Values

TYPE_STRING

public static final int TYPE_STRING

See Also:

Constant Field Values

TYPE_NUMERIC

public static final int TYPE_NUMERIC

See Also:

Constant Field Values

TYPE_TOPIC

public static final int TYPE_TOPIC

See Also:

Constant Field Values

operand1

private Operand operand1

operand2

private Operand operand2

operator

private int operator

Constructor Detail

Compare

public Compare()

Compare

public Compare(java.lang.Object operand1,
               int operator,
               java.lang.Object operand2)

Compare

public Compare(java.lang.Object operand1,
               java.lang.String operator,
               java.lang.Object operand2)

Method Detail

getUIHints

public DirectiveUIHints getUIHints()

Specified by:

getUIHints in interface DirectiveUIHints.Provider

parseOperator

public static int parseOperator(java.lang.String operator)

endQuery

public void endQuery(QueryContext context)
              throws QueryException

Description copied from class: Directive

Signals end of query and performs any cleanup that may be needed. Extending classes must propagate the call to any contained queries.

Overrides:

endQuery in class Directive

Throws:

QueryException

startQuery

public boolean startQuery(QueryContext context)
                   throws QueryException

Description copied from class: Directive

Prepares the query for execution. Extending classes must propagate the call to any contained queries.

Overrides:

startQuery in class Directive

Throws:

QueryException

includeRow

public boolean includeRow(QueryContext context,
                          ResultRow row)
                   throws QueryException

Specified by:

includeRow in class WhereDirective

Throws:

QueryException