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java.lang.Objectorg.jpox.store.mapping.JavaTypeMapping
org.jpox.store.mapping.SingleFieldMapping
org.jpox.store.mapping.NullMapping
Simple mapping for a null literal. Only used when the type is not determined
Field Summary |
Fields inherited from class org.jpox.store.mapping.SingleFieldMapping |
datastoreContainer, typeInfo |
Fields inherited from class org.jpox.store.mapping.JavaTypeMapping |
datastoreMappings, dba, fmd, LOCALISER, referenceMapping, type |
Constructor Summary | |
NullMapping(DatastoreAdapter dba)
|
Method Summary | |
java.lang.Class |
getJavaType()
Accessor for the java type being mapped |
java.lang.Object |
getObject(PersistenceManager pm,
java.lang.Object resultSet,
int[] exprIndex)
Obtains a value from resultSet
at position specified by exprIndex . |
java.lang.Object |
getSampleValue()
Return a sample value of the mapping type to be used for internal evaluation of type and conversion. |
ScalarExpression |
newLiteral(QueryExpression qs,
java.lang.Object value)
Creates a literal from an value. |
ScalarExpression |
newScalarExpression(QueryExpression qs,
LogicSetExpression te)
Creates a expression from a field name/table. |
void |
setObject(PersistenceManager pm,
java.lang.Object preparedStatement,
int[] exprIndex,
java.lang.Object value)
Sets a value into preparedStatement
at position specified by exprIndex . |
Methods inherited from class org.jpox.store.mapping.SingleFieldMapping |
equals, getBoolean, getByte, getChar, getDatastoreContainer, getDouble, getFloat, getInt, getLong, getShort, getString, hasValue, includeInFetchStatement, includeInInsertStatement, includeInUpdateStatement, prepareDatastoreMapping, setBoolean, setByte, setChar, setDouble, setFloat, setInt, setLong, setShort, setString |
Methods inherited from class org.jpox.store.mapping.JavaTypeMapping |
addDataStoreMapping, failureMessage, getDataStoreMapping, getDataStoreMappings, getFieldMetaData, getNumberOfDatastoreFields, getObject, getReferenceMapping, getType, isNullable, setDefault, setObject, setReferenceMapping |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public NullMapping(DatastoreAdapter dba)
Method Detail |
public java.lang.Class getJavaType()
JavaTypeMapping
getJavaType
in class JavaTypeMapping
public java.lang.Object getSampleValue()
JavaTypeMapping
getSampleValue
in class JavaTypeMapping
public java.lang.Object getObject(PersistenceManager pm, java.lang.Object resultSet, int[] exprIndex)
JavaTypeMapping
resultSet
at position specified by exprIndex
.
getObject
in class SingleFieldMapping
public void setObject(PersistenceManager pm, java.lang.Object preparedStatement, int[] exprIndex, java.lang.Object value)
JavaTypeMapping
value
into preparedStatement
at position specified by exprIndex
.
setObject
in class SingleFieldMapping
public ScalarExpression newLiteral(QueryExpression qs, java.lang.Object value)
JavaTypeMapping
newLiteral
in class JavaTypeMapping
qs
- The Query statementvalue
- The object
public ScalarExpression newScalarExpression(QueryExpression qs, LogicSetExpression te)
JavaTypeMapping
newScalarExpression
in class JavaTypeMapping
qs
- The Query statementte
- the alias for the table
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