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java.lang.Objectorg.apache.openjpa.jdbc.kernel.exps.AbstractVal
org.apache.openjpa.jdbc.kernel.exps.Const
org.apache.openjpa.jdbc.kernel.exps.TypeLit
public class TypeLit
A type literal value.
| Nested Class Summary |
|---|
| Nested classes/interfaces inherited from class org.apache.openjpa.jdbc.kernel.exps.Const |
|---|
Const.ConstExpState |
| Field Summary |
|---|
| Fields inherited from class org.apache.openjpa.jdbc.kernel.exps.AbstractVal |
|---|
FALSE, TRUE |
| Fields inherited from interface org.apache.openjpa.kernel.exps.Literal |
|---|
TYPE_BOOLEAN, TYPE_CLASS, TYPE_COLLECTION, TYPE_DATE, TYPE_ENUM, TYPE_NUMBER, TYPE_SQ_STRING, TYPE_STRING, TYPE_TIME, TYPE_TIMESTAMP, TYPE_UNKNOWN |
| Fields inherited from interface org.apache.openjpa.jdbc.kernel.exps.Val |
|---|
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 Summary | |
|---|---|
TypeLit(Object val,
int ptype)
Constructor. |
|
| Method Summary | |
|---|---|
void |
appendTo(Select sel,
ExpContext ctx,
ExpState state,
SQLBuffer sql,
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. |
int |
getParseType()
The type the literal was parsed as. |
Class |
getType()
Return the expected type for this value, or Object if
the type is unknown. |
Object |
getValue()
The value of this literal. |
Object |
getValue(Object[] params)
Return the value for this constant given the specified parameters. |
ExpState |
initialize(Select sel,
ExpContext ctx,
int flags)
Initialize the value. |
void |
setImplicitType(Class type)
Set the implicit type of the value, based on how it is used in the filter. |
void |
setValue(Object val)
The value of this literal. |
| Methods inherited from class org.apache.openjpa.jdbc.kernel.exps.Const |
|---|
appendIsEmpty, appendIsNotEmpty, appendIsNotNull, appendIsNull, appendSize, getMetaData, getSQLValue, getValue, groupBy, isSQLValueNull, length, load, orderBy, select, selectColumns, setMetaData |
| Methods inherited from class org.apache.openjpa.jdbc.kernel.exps.AbstractVal |
|---|
acceptVisit, appendIndex, appendType, getAlias, getId, getName, getPath, getSelectAs, isAggregate, isVariable, isXPath, setAlias, toDataStoreValue |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface org.apache.openjpa.kernel.exps.Value |
|---|
acceptVisit, getAlias, getMetaData, getName, getPath, getSelectAs, isAggregate, isVariable, isXPath, setAlias, setMetaData |
| Constructor Detail |
|---|
public TypeLit(Object val,
int ptype)
| Method Detail |
|---|
public Class getType()
ValueObject if
the type is unknown.
getType in interface Valuepublic void setImplicitType(Class type)
ValueObject from Value.getType().
setImplicitType in interface Valuepublic int getParseType()
Literal
getParseType in interface Literalpublic Object getValue()
Literal
getValue in interface Literalpublic void setValue(Object val)
Literal
setValue in interface Literalpublic Object getValue(Object[] params)
Constant
getValue in interface Constant
public ExpState initialize(Select sel,
ExpContext ctx,
int flags)
Val
initialize in interface Valinitialize in class Const
public void calculateValue(Select sel,
ExpContext ctx,
ExpState state,
Val other,
ExpState otherState)
Vallength or any append methods.
calculateValue in interface ValcalculateValue in class Constother - the value being compared to, or null if not a comparison
public void appendTo(Select sel,
ExpContext ctx,
ExpState state,
SQLBuffer sql,
int index)
Valindexth SQL element to the given buffer.
appendTo in interface Val
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