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java.lang.Objectorg.firebirdsql.jdbc.FBTpbMapper
This class is provides mapping capabilities between standard JDBC transaction isolation level and Firebird Transaction Parameters Block (TPB).
Field Summary | |
static java.lang.String |
DEFAULT_MAPPING_RESOURCE
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static java.lang.String |
TRANSACTION_NONE
Indicates that transactions are not supported. |
static java.lang.String |
TRANSACTION_READ_COMMITTED
Dirty reads are prevented; non-repeatable reads and phantom reads can occur. |
static java.lang.String |
TRANSACTION_READ_UNCOMMITTED
Dirty reads, non-repeatable reads and phantom reads can occur. |
static java.lang.String |
TRANSACTION_REPEATABLE_READ
Dirty reads and non-repeatable reads are prevented; phantom reads can occur. |
static java.lang.String |
TRANSACTION_SERIALIZABLE
Dirty reads, non-repeatable reads and phantom reads are prevented. |
Constructor Summary | |
FBTpbMapper(GDS gds)
Create instance of this class with the default mapping of JDBC transaction isolation levels to Firebird TPB. |
|
FBTpbMapper(GDS gds,
java.util.Map stringMapping)
Create instance of this class for the specified string mapping. |
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FBTpbMapper(GDS gds,
java.lang.String mappingResource,
java.lang.ClassLoader cl)
Create instance of this class and load mapping from the specified resource. |
Method Summary | |
static FBTpbMapper |
getDefaultMapper(GDS gds)
|
TransactionParameterBuffer |
getDefaultMapping()
Get default mapping. |
int |
getDefaultTransactionIsolation()
|
TransactionParameterBuffer |
getMapping(int transactionIsolation)
Get mapping for the specified transaction isolation level. |
static int |
getTransactionIsolationLevel(java.lang.String isolationName)
Convert transaction isolation level name into a corresponding constant. |
static java.lang.String |
getTransactionIsolationName(int isolationLevel)
Convert transaction isolation level into string. |
static TransactionParameterBuffer |
processMapping(GDS gds,
java.lang.String mapping)
Process comma-separated list of keywords and convert them into TPB values. |
void |
setDefaultTransactionIsolation(int isolationLevel)
|
void |
setMapping(int transactionIsolation,
TransactionParameterBuffer tpb)
Set mapping for the specified transaction isolation. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
public static final java.lang.String DEFAULT_MAPPING_RESOURCE
public static final java.lang.String TRANSACTION_SERIALIZABLE
public static final java.lang.String TRANSACTION_REPEATABLE_READ
public static final java.lang.String TRANSACTION_READ_COMMITTED
public static final java.lang.String TRANSACTION_READ_UNCOMMITTED
public static final java.lang.String TRANSACTION_NONE
Constructor Detail |
public FBTpbMapper(GDS gds)
public FBTpbMapper(GDS gds, java.util.Map stringMapping) throws FBResourceException
stringMapping
- mapping of JDBC transaction isolation to Firebird
mapping. Keys and values of this map must be strings. Keys can have
following values:
"TRANSACTION_SERIALIZABLE"
"TRANSACTION_REPEATABLE_READ"
"TRANSACTION_READ_COMMITTED"
"TRANSACTION_READ_UNCOMMITTED"
"isc_tpb_consistency"
"isc_tpb_concurrency"
"isc_tpb_read_committed"
"isc_tpb_rec_version"
"isc_tpb_no_rec_version"
"isc_tpb_wait"
"isc_tpb_nowait"
"isc_tpb_read"
"isc_tpb_write"
"isc_tpb_lock_read"
"isc_tpb_lock_write"
"isc_tpb_shared"
"isc_tpb_protected"
FBResourceException
- if mapping contains incorrect values.public FBTpbMapper(GDS gds, java.lang.String mappingResource, java.lang.ClassLoader cl) throws FBResourceException
mappingResource
- name of the resource to load.cl
- class loader that should be used to load specified resource.
FBResourceException
- if resource cannot be loaded or contains
incorrect values.Method Detail |
public static FBTpbMapper getDefaultMapper(GDS gds)
public static java.lang.String getTransactionIsolationName(int isolationLevel)
isolationLevel
- transaction isolation level as integer constant.
public static int getTransactionIsolationLevel(java.lang.String isolationName)
isolationName
- name of the transaction isolation.
public static TransactionParameterBuffer processMapping(GDS gds, java.lang.String mapping) throws FBResourceException
mapping
- comma-separated list of keywords.
FBResourceException
- if mapping contains keyword that is not
a TPB parameter.public TransactionParameterBuffer getMapping(int transactionIsolation)
transactionIsolation
- transaction isolation level.
FBResourceException
- if specified transaction isolation level
is unknown.public void setMapping(int transactionIsolation, TransactionParameterBuffer tpb)
transactionIsolation
- transaction isolation level.tpb
- TPB parameters.
FBResourceException
- if incorrect isolation level is specified.public TransactionParameterBuffer getDefaultMapping()
public int getDefaultTransactionIsolation()
public void setDefaultTransactionIsolation(int isolationLevel)
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