public class GeneralCaseExpression extends AbstractVal
FALSE, TRUEABS_VAL, ARGS_VAL, CMP_EQUAL, COALESCE_VAL, CONCAT_VAL, FORCE_OUTER, GENERALCASE_VAL, INDEXOF_VAL, JOIN_REL, LENGTH_VAL, LOCATE_VAL, LOWER_VAL, MATH_VAL, NULL_CMP, NULLIF_VAL, SIMPLECASE_VAL, SQRT_VAL, SUBSTRING_VAL, TRIM_VAL, UPPER_VAL, VAL, WHENCONDITION_VAL, WHENSCALAR_VAL| Constructor and Description |
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GeneralCaseExpression(Exp[] exp,
Val val)
Constructor.
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| Modifier and Type | Method and Description |
|---|---|
void |
acceptVisit(ExpressionVisitor visitor)
Accept a visit from a tree visitor.
|
void |
appendTo(Select sel,
ExpContext ctx,
ExpState state,
SQLBuffer buf,
int index)
Append the
indexth SQL element to the given buffer. |
void |
calculateValue(Select sel,
ExpContext ctx,
ExpState state,
Val other,
ExpState otherState)
Calculate and cache the SQL for this value.
|
Exp[] |
getExp() |
int |
getId() |
ClassMetaData |
getMetaData()
Return any associated persistent type.
|
Value |
getOtherPath() |
ExpState |
getOtherState() |
Class |
getType()
Return the expected type for this value, or
Object if
the type is unknown. |
Val |
getVal() |
void |
groupBy(Select sel,
ExpContext ctx,
ExpState state)
Group by this value.
|
ExpState |
initialize(Select sel,
ExpContext ctx,
int flags)
Initialize the value.
|
int |
length(Select sel,
ExpContext ctx,
ExpState state)
Return the number of SQL elements in this value.
|
Object |
load(ExpContext ctx,
ExpState state,
Result res)
Load the data for this value.
|
void |
orderBy(Select sel,
ExpContext ctx,
ExpState state,
boolean asc)
Order by this value.
|
void |
select(Select sel,
ExpContext ctx,
ExpState state,
boolean pks)
Select the data for this value.
|
void |
selectColumns(Select sel,
ExpContext ctx,
ExpState state,
boolean pks)
Select just the columns for this value.
|
void |
setImplicitType(Class type)
Set the implicit type of the value, based on how it is used in the
filter.
|
void |
setMetaData(ClassMetaData meta)
Associate a persistent type with this value.
|
void |
setOtherPath(Value other) |
void |
setOtherState(ExpState otherState) |
appendIndex, appendIsEmpty, appendIsNotEmpty, appendIsNotNull, appendIsNull, appendSize, appendType, getAlias, getName, getPath, getSelectAs, isAggregate, isVariable, isXPath, setAlias, toDataStoreValuepublic Exp[] getExp()
public Val getVal()
public Class getType()
ValueObject if
the type is unknown.public ExpState initialize(Select sel, ExpContext ctx, int flags)
Valpublic void appendTo(Select sel, ExpContext ctx, ExpState state, SQLBuffer buf, int index)
Valindexth SQL element to the given buffer.public void selectColumns(Select sel, ExpContext ctx, ExpState state, boolean pks)
Valpublic void acceptVisit(ExpressionVisitor visitor)
ValueacceptVisit in interface ValueacceptVisit in class AbstractValpublic int getId()
getId in interface ValgetId in class AbstractValpublic void calculateValue(Select sel, ExpContext ctx, ExpState state, Val other, ExpState otherState)
Vallength or any append methods.other - the value being compared to, or null if not a comparisonpublic void groupBy(Select sel, ExpContext ctx, ExpState state)
Valpublic int length(Select sel, ExpContext ctx, ExpState state)
Valpublic Object load(ExpContext ctx, ExpState state, Result res) throws SQLException
ValSQLExceptionpublic void orderBy(Select sel, ExpContext ctx, ExpState state, boolean asc)
Valpublic void select(Select sel, ExpContext ctx, ExpState state, boolean pks)
Valpublic ClassMetaData getMetaData()
Valuepublic void setImplicitType(Class type)
ValueObject from Value.getType().public void setMetaData(ClassMetaData meta)
Valuepublic void setOtherPath(Value other)
public Value getOtherPath()
public void setOtherState(ExpState otherState)
public ExpState getOtherState()
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