org.dbflute.bhv.core.supplement

クラス SequenceCacheHandler

java.lang.Object

org.dbflute.bhv.core.supplement.SequenceCacheHandler

public class SequenceCacheHandler
extends Object

The handler of sequence cache.

導入されたバージョン:

0.9.6.4 (2010/01/15 Friday)

作成者:

jflute

フィールドのサマリー

フィールド

修飾子とタイプ	フィールドと説明
protected boolean	_internalDebug
protected SequenceCacheKeyGenerator	_sequenceCacheKeyGenerator
protected Object	_sequenceCacheLock The lock object to synchronize this sequence cache for transaction.
protected Map<String,SequenceCache>	_sequenceCacheMap The map of sequence cache keyed by unique strings of the sequence.

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
SequenceCacheHandler()

メソッドのサマリー

修飾子とタイプ	メソッドと説明
protected void	assertCacheSizeCanBeDividedByIncrementSize(Integer cacheSize, Integer incrementSize, String nextValSql)
protected void	assertFilterArgumentValid(Integer cacheSize, Integer incrementSize, String nextValSql)
protected String	buildNextValSqlOnDB2(String nextValSql, Integer divided, Integer unionCount)
protected String	buildNextValSqlOnOracle(String nextValSql, Integer divided, Integer unionCount)
protected String	buildNextValSqlOnOracleUsingConnectBy(String nextValSql, Integer divided, Integer unionCount)
protected String	buildNextValSqlUsingUnionAll(String nextValSql, Integer divided, Integer unionCount)
protected SequenceCache	createSequenceCache(String sequenceName, DataSource dataSource, Class<?> resultType, Integer cacheSize, Integer incrementSize)
String	filterNextValSql(Integer cacheSize, Integer incrementSize, String nextValSql) Filter the SQL for next value.
SequenceCache	findSequenceCache(String tableName, String sequenceName, DataSource dataSource, Class<?> resultType, Integer cacheSize, Integer incrementSize)
protected String	generateKey(String tableName, String sequenceName, DataSource dataSource)
protected SequenceCache	getSequenceCache(String key)
protected boolean	isLogEnabled()
protected String	ln()
protected void	log(String msg)
protected <KEY,VALUE> ConcurrentHashMap<KEY,VALUE>	newConcurrentHashMap()
void	setInternalDebug(boolean internalDebug)
void	setSequenceCacheKeyGenerator(SequenceCacheKeyGenerator sequenceCacheKeyGenerator)
protected void	throwSequenceCacheSizeNotDividedIncrementSizeException(Integer cacheSize, Integer incrementSize, String nextValSql)

クラスから継承されたメソッド java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

フィールドの詳細

_sequenceCacheMap

protected final Map<String,SequenceCache> _sequenceCacheMap

The map of sequence cache keyed by unique strings of the sequence. (synchronized manually as transaction)

_sequenceCacheLock

protected final Object _sequenceCacheLock

The lock object to synchronize this sequence cache for transaction. (NotNull)

_sequenceCacheKeyGenerator

protected SequenceCacheKeyGenerator _sequenceCacheKeyGenerator

_internalDebug

protected boolean _internalDebug

コンストラクタの詳細

SequenceCacheHandler

public SequenceCacheHandler()

メソッドの詳細

findSequenceCache

public SequenceCache findSequenceCache(String tableName,
                                       String sequenceName,
                                       DataSource dataSource,
                                       Class<?> resultType,
                                       Integer cacheSize,
                                       Integer incrementSize)

パラメータ:

tableName - The name of table. (NotNull)

sequenceName - The name of sequence. (NotNull)

dataSource - The data source for a database connection. (NotNull)

resultType - The type of sequence result. (NotNull)

cacheSize - The size of sequence cache. (NullAllowed: if null, returns null)

incrementSize - The size of increment of sequence. (NullAllowed, f null, batch way is invalid)

戻り値:

The object for sequence cache. (NullAllowed)

getSequenceCache

protected SequenceCache getSequenceCache(String key)

createSequenceCache

protected SequenceCache createSequenceCache(String sequenceName,
                                            DataSource dataSource,
                                            Class<?> resultType,
                                            Integer cacheSize,
                                            Integer incrementSize)

generateKey

protected String generateKey(String tableName,
                             String sequenceName,
                             DataSource dataSource)

filterNextValSql

public String filterNextValSql(Integer cacheSize,
                               Integer incrementSize,
                               String nextValSql)

Filter the SQL for next value.
This method uses ResourceContext.

パラメータ:

cacheSize - The cache size of sequence. (NotNull, CacheValidSize)

incrementSize - The increment size of sequence. (NotNull, NotMinus, NotZero)

nextValSql - The SQL for next value. (NotNull, NotTrimmedEmpty)

戻り値:

The filtered SQL. (NotNull, NotTrimmedEmpty)

buildNextValSqlOnOracle

protected String buildNextValSqlOnOracle(String nextValSql,
                                         Integer divided,
                                         Integer unionCount)

buildNextValSqlOnOracleUsingConnectBy

protected final String buildNextValSqlOnOracleUsingConnectBy(String nextValSql,
                                                             Integer divided,
                                                             Integer unionCount)

buildNextValSqlOnDB2

protected String buildNextValSqlOnDB2(String nextValSql,
                                      Integer divided,
                                      Integer unionCount)

buildNextValSqlUsingUnionAll

protected String buildNextValSqlUsingUnionAll(String nextValSql,
                                              Integer divided,
                                              Integer unionCount)

assertFilterArgumentValid

protected void assertFilterArgumentValid(Integer cacheSize,
                                         Integer incrementSize,
                                         String nextValSql)

assertCacheSizeCanBeDividedByIncrementSize

protected void assertCacheSizeCanBeDividedByIncrementSize(Integer cacheSize,
                                                          Integer incrementSize,
                                                          String nextValSql)

throwSequenceCacheSizeNotDividedIncrementSizeException

protected void throwSequenceCacheSizeNotDividedIncrementSizeException(Integer cacheSize,
                                                                      Integer incrementSize,
                                                                      String nextValSql)

log

protected void log(String msg)

isLogEnabled

protected boolean isLogEnabled()

newConcurrentHashMap

protected <KEY,VALUE> ConcurrentHashMap<KEY,VALUE> newConcurrentHashMap()

ln

protected String ln()

setSequenceCacheKeyGenerator

public void setSequenceCacheKeyGenerator(SequenceCacheKeyGenerator sequenceCacheKeyGenerator)

setInternalDebug

public void setInternalDebug(boolean internalDebug)