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java.lang.Objectorg.apache.jdo.impl.fostore.AbstractRequest
org.apache.jdo.impl.fostore.AbstractFieldRequest
org.apache.jdo.impl.fostore.InsertRequest
org.apache.jdo.impl.fostore.UpdateRequest
Represents a request to change one or more fields of a persistent object in the store.
Field Summary | |
private java.util.BitSet |
dirtyFields
Fields which are to be verified in database, in case of optimistic transaction. |
protected FOStoreSchemaUID |
fsuid
uid corresponding to the same java.lang.Class that initializes jdoClass. |
protected org.apache.jdo.model.jdo.JDOClass |
jdoClass
Class meta data of the object represented by the constructor's given state manager |
protected static int |
LENGTH_COOKIE
|
private java.util.BitSet |
loadedFields
Fields which are to be updated. |
(package private) static org.apache.commons.logging.Log |
logger
Logger |
protected static org.apache.jdo.util.I18NHelper |
msg
|
private boolean |
optimistic
If true, update happens in context of an optimistic transaction. |
protected FOStoreOutput |
out
Stream to which request writes itself. |
protected FOStorePMF |
pmf
PersistenceManagerFactory via which request is being done. |
protected org.apache.jdo.state.StateManagerInternal |
sm
The state manager which is the subject of this request. |
Constructor Summary | |
(package private) |
UpdateRequest(org.apache.jdo.state.StateManagerInternal sm,
Message m,
FOStorePMF pmf,
java.util.BitSet loadedFields,
java.util.BitSet dirtyFields,
boolean optimistic)
|
Method Summary | |
void |
doRequest()
Does whatever it is that the kind of request does in actually making a request of the store. |
protected void |
doRequestBody()
Provides the information necessary to do an UpdateRequest. |
boolean |
fetchBooleanField(int fieldNum)
|
byte |
fetchByteField(int fieldNum)
|
char |
fetchCharField(int fieldNum)
|
double |
fetchDoubleField(int fieldNum)
|
float |
fetchFloatField(int fieldNum)
|
int |
fetchIntField(int fieldNum)
|
long |
fetchLongField(int fieldNum)
|
java.lang.Object |
fetchObjectField(int fieldNum)
|
short |
fetchShortField(int fieldNum)
|
java.lang.String |
fetchStringField(int fieldNum)
|
protected RequestId |
getId()
|
protected OID |
getOID()
|
org.apache.jdo.state.StateManagerInternal |
getStateManager()
Get the StateManager associated with this request, null if none. |
void |
handleReply(Status status,
java.io.DataInput in,
int length)
Handles reply data from an UpdateReply. |
void |
storeBooleanField(int fieldNum,
boolean value)
|
void |
storeByteField(int fieldNum,
byte value)
|
void |
storeCharField(int fieldNum,
char value)
|
void |
storeDoubleField(int fieldNum,
double value)
|
void |
storeFloatField(int fieldNum,
float value)
|
void |
storeIntField(int fieldNum,
int value)
|
void |
storeLongField(int fieldNum,
long value)
|
void |
storeObjectField(int fieldNum,
java.lang.Object value)
|
void |
storeShortField(int fieldNum,
short value)
|
void |
storeStringField(int fieldNum,
java.lang.String value)
|
protected int |
writeBlock(int[] fields,
boolean identifying)
Writes a data block, which consists of the values of the specified fields, plus the CLID's and corresponding class names of referenced objects. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
private final java.util.BitSet loadedFields
private final java.util.BitSet dirtyFields
private final boolean optimistic
protected org.apache.jdo.state.StateManagerInternal sm
protected final FOStorePMF pmf
protected final FOStoreOutput out
protected org.apache.jdo.model.jdo.JDOClass jdoClass
protected FOStoreSchemaUID fsuid
protected static final org.apache.jdo.util.I18NHelper msg
static final org.apache.commons.logging.Log logger
protected static final int LENGTH_COOKIE
Constructor Detail |
UpdateRequest(org.apache.jdo.state.StateManagerInternal sm, Message m, FOStorePMF pmf, java.util.BitSet loadedFields, java.util.BitSet dirtyFields, boolean optimistic)
Method Detail |
protected void doRequestBody() throws java.io.IOException
optimistic: boolean oid: OID data block length: int InsertRequest's doRequestBody - written dataThe oid and data block are written only if optimistic is true.
doRequestBody
in class InsertRequest
java.io.IOException
AbstractRequest.doRequestBody()
public void handleReply(Status status, java.io.DataInput in, int length) throws java.io.IOException
oid: OID
handleReply
in interface Request
handleReply
in class InsertRequest
java.io.IOException
Request.handleReply(org.apache.jdo.impl.fostore.Status, java.io.DataInput, int)
public void storeBooleanField(int fieldNum, boolean value)
storeBooleanField
in interface org.apache.jdo.state.FieldManager
storeBooleanField
in class AbstractFieldRequest
FieldManager.storeBooleanField(int fieldNum,
boolean value)
public void storeCharField(int fieldNum, char value)
storeCharField
in interface org.apache.jdo.state.FieldManager
storeCharField
in class AbstractFieldRequest
FieldManager.storeCharField(int fieldNum,
char value)
public void storeByteField(int fieldNum, byte value)
storeByteField
in interface org.apache.jdo.state.FieldManager
storeByteField
in class AbstractFieldRequest
FieldManager.storeByteField(int fieldNum,
byte value)
public void storeShortField(int fieldNum, short value)
storeShortField
in interface org.apache.jdo.state.FieldManager
storeShortField
in class AbstractFieldRequest
FieldManager.storeShortField(int fieldNum,
short value)
public void storeIntField(int fieldNum, int value)
storeIntField
in interface org.apache.jdo.state.FieldManager
storeIntField
in class AbstractFieldRequest
FieldManager.storeIntField(int fieldNum, int value)
public void storeLongField(int fieldNum, long value)
storeLongField
in interface org.apache.jdo.state.FieldManager
storeLongField
in class AbstractFieldRequest
FieldManager.storeLongField(int fieldNum,
long value)
public void storeFloatField(int fieldNum, float value)
storeFloatField
in interface org.apache.jdo.state.FieldManager
storeFloatField
in class AbstractFieldRequest
FieldManager.storeFloatField(int fieldNum,
float value)
public void storeDoubleField(int fieldNum, double value)
storeDoubleField
in interface org.apache.jdo.state.FieldManager
storeDoubleField
in class AbstractFieldRequest
FieldManager.storeDoubleField(int fieldNum,
double value)
public void storeStringField(int fieldNum, java.lang.String value)
storeStringField
in interface org.apache.jdo.state.FieldManager
storeStringField
in class AbstractFieldRequest
FieldManager.storeStringField(int fieldNum,
String value)
public void storeObjectField(int fieldNum, java.lang.Object value)
storeObjectField
in interface org.apache.jdo.state.FieldManager
storeObjectField
in class AbstractFieldRequest
FieldManager.storeObjectField(int fieldNum,
Object value)
protected OID getOID()
protected int writeBlock(int[] fields, boolean identifying) throws java.io.IOException
fields
- Field numbers of the fields to be writtenidentifying
- If true, write before/flushed image fields,
otherwise write current fields.
java.io.IOException
public boolean fetchBooleanField(int fieldNum)
fetchBooleanField
in interface org.apache.jdo.state.FieldManager
FieldManager.fetchBooleanField(int fieldNum)
public char fetchCharField(int fieldNum)
fetchCharField
in interface org.apache.jdo.state.FieldManager
FieldManager.fetchCharField(int fieldNum)
public byte fetchByteField(int fieldNum)
fetchByteField
in interface org.apache.jdo.state.FieldManager
FieldManager.fetchByteField(int fieldNum)
public short fetchShortField(int fieldNum)
fetchShortField
in interface org.apache.jdo.state.FieldManager
FieldManager.fetchShortField(int fieldNum)
public int fetchIntField(int fieldNum)
fetchIntField
in interface org.apache.jdo.state.FieldManager
FieldManager.fetchIntField(int fieldNum)
public long fetchLongField(int fieldNum)
fetchLongField
in interface org.apache.jdo.state.FieldManager
FieldManager.fetchLongField(int fieldNum)
public float fetchFloatField(int fieldNum)
fetchFloatField
in interface org.apache.jdo.state.FieldManager
FieldManager.fetchFloatField(int fieldNum)
public double fetchDoubleField(int fieldNum)
fetchDoubleField
in interface org.apache.jdo.state.FieldManager
FieldManager.fetchDoubleField(int fieldNum)
public java.lang.String fetchStringField(int fieldNum)
fetchStringField
in interface org.apache.jdo.state.FieldManager
FieldManager.fetchStringField(int fieldNum)
public java.lang.Object fetchObjectField(int fieldNum)
fetchObjectField
in interface org.apache.jdo.state.FieldManager
FieldManager.fetchObjectField(int fieldNum)
protected RequestId getId()
public final void doRequest() throws java.io.IOException
Request
doRequest
in interface Request
java.io.IOException
- in case of errors with the stream.Request.doRequest()
public org.apache.jdo.state.StateManagerInternal getStateManager()
getStateManager
in interface Request
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