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java.lang.Objectorg.jpox.store.mapping.JavaTypeMapping
org.jpox.store.mapping.SingleFieldMapping
org.jpox.store.mapping.OIDMapping
org.jpox.store.mapping.PersistenceCapableMapping
public class PersistenceCapableMapping
Maps a java field to a PersistenceCapable class. For PersistenceCapable classes using datastore identity most of the necessary behaviour is coded in the OIDMapping super class. TODO Split this from OIDMapping since a PCMapping may represent an application identity object instead of a datastore identity object
Field Summary |
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Fields inherited from class org.jpox.store.mapping.SingleFieldMapping |
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datastoreContainer, typeInfo |
Fields inherited from class org.jpox.store.mapping.JavaTypeMapping |
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datastoreMappings, dba, fmd, LOCALISER, referenceMapping, type |
Constructor Summary | |
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PersistenceCapableMapping(DatastoreAdapter dba,
AbstractPropertyMetaData fmd,
DatastoreContainerObject datastoreContainer,
ClassLoaderResolver clr)
Creates a new PersistenceCapableMapping object. |
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PersistenceCapableMapping(DatastoreAdapter dba,
java.lang.String type)
Constructor. |
protected |
PersistenceCapableMapping(PersistenceCapableMapping pcMapping)
Constructor used to generate a PCMapping representing only the identity of the object. |
Method Summary | |
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void |
addJavaTypeMapping(JavaTypeMapping mapping)
Add a new JavaTypeMapping |
DatastoreMapping |
getDataStoreMapping(int index)
Accessor for a datastore mapping. |
JavaTypeMapping |
getIdMapping()
Utility to return a PC mapping representing only the identity and not the object. |
JavaTypeMapping[] |
getJavaTypeMapping()
Accessor for the Java type mappings |
int |
getNumberOfDatastoreFields()
Accessor for the number of datastore fields. |
java.lang.Object |
getObject(PersistenceManager pm,
java.lang.Object rs,
int[] param)
Returns a instance of a PersistenceCapable class. |
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. |
protected void |
prepareDatastoreMapping()
Method to prepare the PC mapping and add its associated datastore mappings. |
protected void |
prepareDatastoreMapping(ClassLoaderResolver clr)
Method to prepare the PC mapping and add its associated datastore mappings. |
void |
setObject(PersistenceManager pm,
java.lang.Object ps,
int[] param,
java.lang.Object value)
Method to set an object in the datastore. |
void |
setObject(PersistenceManager pm,
java.lang.Object ps,
int[] param,
java.lang.Object value,
StateManager ownerSM,
int ownerFieldNumber)
Method to set an object in the datastore. |
Methods inherited from class org.jpox.store.mapping.OIDMapping |
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getJavaType, getSampleValue |
Methods inherited from class org.jpox.store.mapping.SingleFieldMapping |
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equals, getBoolean, getByte, getChar, getDatastoreContainer, getDouble, getFloat, getInt, getLong, getShort, getString, hasValue, includeInFetchStatement, includeInInsertStatement, includeInUpdateStatement, setBoolean, setByte, setChar, setDouble, setFloat, setInt, setLong, setShort, setString |
Methods inherited from class org.jpox.store.mapping.JavaTypeMapping |
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addDataStoreMapping, failureMessage, getDataStoreMappings, getFieldMetaData, getObject, getReferenceMapping, getType, isNullable, setDefault, setReferenceMapping |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PersistenceCapableMapping(DatastoreAdapter dba, java.lang.String type)
dba
- Datastore Adaptertype
- The type of PersistenceCapablepublic PersistenceCapableMapping(DatastoreAdapter dba, AbstractPropertyMetaData fmd, DatastoreContainerObject datastoreContainer, ClassLoaderResolver clr)
dba
- Database Adapterfmd
- AbstractPropertyMetaData for the fielddatastoreContainer
- Table for persisting this fieldclr
- The ClassLoaderResolverprotected PersistenceCapableMapping(PersistenceCapableMapping pcMapping)
pcMapping
- The mapping to base it onMethod Detail |
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public JavaTypeMapping getIdMapping()
public void addJavaTypeMapping(JavaTypeMapping mapping)
mapping
- the JavaTypeMappingprotected void prepareDatastoreMapping()
prepareDatastoreMapping
in class SingleFieldMapping
protected void prepareDatastoreMapping(ClassLoaderResolver clr)
clr
- The ClassLoaderResolverpublic JavaTypeMapping[] getJavaTypeMapping()
public int getNumberOfDatastoreFields()
getNumberOfDatastoreFields
in class JavaTypeMapping
public DatastoreMapping getDataStoreMapping(int index)
getDataStoreMapping
in class JavaTypeMapping
index
- The position of the mapping.
public void setObject(PersistenceManager pm, java.lang.Object ps, int[] param, java.lang.Object value)
setObject
in class OIDMapping
pm
- The Persistence Managerps
- The Prepared Statementparam
- The parameter ids in the statementvalue
- The value to put in the statement at these ids
NotYetFlushedException
public void setObject(PersistenceManager pm, java.lang.Object ps, int[] param, java.lang.Object value, StateManager ownerSM, int ownerFieldNumber)
setObject
in class JavaTypeMapping
pm
- The Persistence Managerps
- The Prepared Statementparam
- The parameter ids in the statementvalue
- The value to put in the statement at these idsownerSM
- StateManager for the owner objectownerFieldNumber
- Field number of this PC object in the owner
NotYetFlushedException
public java.lang.Object getObject(PersistenceManager pm, java.lang.Object rs, int[] param)
getObject
in class OIDMapping
pm
- The Persistence Managerrs
- The ResultSetparam
- Array of parameter ids in the ResultSet to retrieve
public ScalarExpression newLiteral(QueryExpression qs, java.lang.Object value)
JavaTypeMapping
newLiteral
in class OIDMapping
qs
- The Query statementvalue
- The object
public ScalarExpression newScalarExpression(QueryExpression qs, LogicSetExpression te)
JavaTypeMapping
newScalarExpression
in class OIDMapping
qs
- The Query statementte
- the alias for the table
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