*** This class is subject to change. ***

com.sas.iquery.metadata.expr.relational
Class SimpleConditionalExpression_Like

com.sas.iquery.metadata.expr.relational.SimpleConditionalExpression_Like

All Implemented Interfaces:

Base, BusinessModelResourceReferencer, CascadableFilter, ModelItem, UsabilityInterface, ExpressionInterface, PropertyChangeListenee, java.beans.PropertyChangeListener, java.lang.Cloneable, java.util.EventListener

public class SimpleConditionalExpression_Like
implements BusinessModelResourceReferencer

Models the LIKE simple conditional expression, which has the following abstract form:
<WhatToCompare> [NOT] LIKE <patternExpression>

Field Summary

static java.lang.String	EVENT_ESCAPE_CHAR_CHANGED
static java.lang.String	EVENT_LIKE_PATTERN_CHANGED
static java.lang.String	EVENT_MATCH_MANY_CHAR_CHANGED
static java.lang.String	EVENT_MATCH_ONE_CHAR_CHANGED
static java.lang.String	EVENT_WHAT_TO_COMPARE_CHANGED

Fields inherited from class com.sas.iquery.metadata.expr.relational.RelationalConditionalExpression

EVENT_FF_OVERRIDE_STATUS_CHANGED, EVENT_FF_OVERRIDE_VALUE_CHANGED

Fields inherited from class com.sas.iquery.metadata.expr.ConditionalExpression

EVENT_NEGATION_CHANGED

Fields inherited from interface com.sas.iquery.metadata.business.Base

EVENT_OBJECT_DEFINITION_CHANGED

Fields inherited from interface com.sas.iquery.metadata.business.ModelItem

EVENT_OBJECT_PROPERTY_CHANGED

Constructor Summary

SimpleConditionalExpression_Like()

Method Summary

java.lang.Character	getEscapeCharacter() Gets the escape character used by LIKE expression or NULL.
java.lang.Character	getMatchManyCharacter() Gets the user set 'match many' character used by LIKE expression or null if the user has not set one and "%" will be used.
java.lang.Character	getMatchOneCharacter() Gets the user set 'match one' character used by LIKE expression or null if the user has not set one and "_" will be used.
ExpressionInterface	getPatternExpression() Gets the pattern expression for this LIKE expression.
ExpressionInterface	getWhatToCompare() Gets the expression being tested for the pattern
void	setEscapeCharacter(java.lang.Character escape) Sets the escape character portion of the LIKE expression.
void	setMatchManyCharacter(java.lang.Character matchMany) Sets the match many character to use in the LIKE expression.
void	setMatchOneCharacter(java.lang.Character matchOne) Sets the 'match one' character to use in the LIKE expression.
void	setPatternExpression(ExpressionInterface expr) Sets the pattern expression portion of the LIKE expression.
void	setWhatToCompare(ExpressionInterface expr) Sets the expression for what the pattern is to be tested against (<whatToCompare> [NOT] LIKE <pattern>).

Methods inherited from class com.sas.iquery.metadata.expr.relational.RelationalConditionalExpression

getExpression

Methods inherited from class com.sas.iquery.metadata.expr.ConditionalExpression

getExpressionType, isNegated, setIsNegated

Methods inherited from interface com.sas.iquery.metadata.business.BusinessModelResourceReferencer

getResources

Methods inherited from interface com.sas.iquery.metadata.PropertyChangeListenee

addListener, getListeners, removeListener

Methods inherited from interface com.sas.iquery.metadata.business.UsabilityInterface

getReasonsUnusable, isUsableInQuery

Field Detail

*** This field is subject to change. ***

EVENT_WHAT_TO_COMPARE_CHANGED

public static final java.lang.String EVENT_WHAT_TO_COMPARE_CHANGED

See Also:

Constant Field Values

*** This field is subject to change. ***

EVENT_LIKE_PATTERN_CHANGED

public static final java.lang.String EVENT_LIKE_PATTERN_CHANGED

See Also:

Constant Field Values

*** This field is subject to change. ***

EVENT_ESCAPE_CHAR_CHANGED

public static final java.lang.String EVENT_ESCAPE_CHAR_CHANGED

See Also:

Constant Field Values

*** This field is subject to change. ***

EVENT_MATCH_MANY_CHAR_CHANGED

public static final java.lang.String EVENT_MATCH_MANY_CHAR_CHANGED

See Also:

Constant Field Values

*** This field is subject to change. ***

EVENT_MATCH_ONE_CHAR_CHANGED

public static final java.lang.String EVENT_MATCH_ONE_CHAR_CHANGED

See Also:

Constant Field Values

Constructor Detail

SimpleConditionalExpression_Like

public SimpleConditionalExpression_Like()

Method Detail

*** This method is subject to change. ***

setWhatToCompare

public void setWhatToCompare(ExpressionInterface expr)

Sets the expression for what the pattern is to be tested against (<whatToCompare> [NOT] LIKE <pattern>).

Property change events signalled:

• EVENT_WHAT_TO_COMPARE_CHANGED

Parameters:

expr - left side of conditional expression

*** This method is subject to change. ***

getWhatToCompare

public ExpressionInterface getWhatToCompare()

Gets the expression being tested for the pattern

Returns:

the left side expression.

*** This method is subject to change. ***

setPatternExpression

public void setPatternExpression(ExpressionInterface expr)

Sets the pattern expression portion of the LIKE expression.

Property change events signalled:

• EVENT_LIKE_PATTERN_CHANGED

Parameters:

expr - right side of conditional expression

*** This method is subject to change. ***

getPatternExpression

public ExpressionInterface getPatternExpression()

Gets the pattern expression for this LIKE expression.

Returns:

the right side expression.

*** This method is subject to change. ***

setEscapeCharacter

public void setEscapeCharacter(java.lang.Character escape)

Sets the escape character portion of the LIKE expression.

Property change events signalled:

• EVENT_ESCAPE_CHAR_CHANGED

Parameters:

escape - character to be used in the LIKE expression

*** This method is subject to change. ***

getEscapeCharacter

public java.lang.Character getEscapeCharacter()

Gets the escape character used by LIKE expression or NULL.

Returns:

the escape character used. Otherwise NULL

*** This method is subject to change. ***

setMatchManyCharacter

public void setMatchManyCharacter(java.lang.Character matchMany)

Sets the match many character to use in the LIKE expression. If set to null, the default match many character of "%" will be used.

Property change events signalled:

• EVENT_MATCH_MANY_CHAR_CHANGED

Parameters:

match - many character to be used in the LIKE expression or null to reset to default

*** This method is subject to change. ***

getMatchManyCharacter

public java.lang.Character getMatchManyCharacter()

Gets the user set 'match many' character used by LIKE expression or null if the user has not set one and "%" will be used.

Returns:

the match many character used. Otherwise null

*** This method is subject to change. ***

setMatchOneCharacter

public void setMatchOneCharacter(java.lang.Character matchOne)

Sets the 'match one' character to use in the LIKE expression. If set to null, the default match many character of "_" will be used.

Property change events signalled:

• EVENT_MATCH_MANY_CHAR_CHANGED

Parameters:

'match - one' character to be used in the LIKE expression or null to reset to default

*** This method is subject to change. ***

getMatchOneCharacter

public java.lang.Character getMatchOneCharacter()

Gets the user set 'match one' character used by LIKE expression or null if the user has not set one and "_" will be used.

Returns:

the 'match one' character used. Otherwise null

*** This class is subject to change. ***