class GetMapValue extends AbstractVal
FALSE, TRUE
ABS_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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GetMapValue(Val map,
Val key,
java.lang.String alias)
Constructor.
|
Modifier and Type | Method and Description |
---|---|
void |
appendTo(Select sel,
ExpContext ctx,
ExpState state,
SQLBuffer sql,
int index)
Append the
index th 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.
|
ClassMetaData |
getMetaData()
Return any associated persistent type.
|
java.lang.Class |
getType()
Return the expected type for this value, or
Object if
the type is unknown. |
void |
groupBy(Select sel,
ExpContext ctx,
ExpState state)
Group by this value.
|
ExpState |
initialize(Select sel,
ExpContext ctx,
int flags)
Initialize the value.
|
boolean |
isVariable()
Return true if this value is a variable.
|
int |
length(Select sel,
ExpContext ctx,
ExpState state)
Return the number of SQL elements in this value.
|
java.lang.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(java.lang.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.
|
java.lang.Object |
toDataStoreValue(Select sel,
ExpContext ctx,
ExpState state,
java.lang.Object val)
Return the datastore value of the given object in the context of this
value.
|
acceptVisit, appendIndex, appendIsEmpty, appendIsNotEmpty, appendIsNotNull, appendIsNull, appendSize, appendType, getAlias, getId, getName, getPath, getSelectAs, isAggregate, isXPath, setAlias
public ClassMetaData getMetaData()
Value
public void setMetaData(ClassMetaData meta)
Value
public boolean isVariable()
Value
isVariable
in interface Value
isVariable
in class AbstractVal
public java.lang.Class getType()
Value
Object
if
the type is unknown.public void setImplicitType(java.lang.Class type)
Value
Object
from Value.getType()
.public ExpState initialize(Select sel, ExpContext ctx, int flags)
Val
public java.lang.Object toDataStoreValue(Select sel, ExpContext ctx, ExpState state, java.lang.Object val)
Val
toDataStoreValue
in interface Val
toDataStoreValue
in class AbstractVal
public void select(Select sel, ExpContext ctx, ExpState state, boolean pks)
Val
public void selectColumns(Select sel, ExpContext ctx, ExpState state, boolean pks)
Val
public void groupBy(Select sel, ExpContext ctx, ExpState state)
Val
public void orderBy(Select sel, ExpContext ctx, ExpState state, boolean asc)
Val
public java.lang.Object load(ExpContext ctx, ExpState state, Result res) throws java.sql.SQLException
Val
java.sql.SQLException
public void calculateValue(Select sel, ExpContext ctx, ExpState state, Val other, ExpState otherState)
Val
length
or any append
methods.other
- the value being compared to, or null if not a comparisonpublic int length(Select sel, ExpContext ctx, ExpState state)
Val
public void appendTo(Select sel, ExpContext ctx, ExpState state, SQLBuffer sql, int index)
Val
index
th SQL element to the given buffer.Copyright © 2006-2013 Apache Software Foundation. All Rights Reserved.