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JDO Doc
6

setIsolationLevel(level)

to high are: read-uncommitted read-committed repeatable-read snapshot serializable Parameters: level - the transaction isolation level Since: JDO 2.2 See Also: getIsolationLevel() Constants.TX_READ_UNCOMMITTED Constants.TX_READ_COMMITTED Constants.TX_REPEATABLE_READ Constants.TX_SNAPSHOT Constants.TX_SERIALIZABLE
JDO Doc
6

setTransactionIsolationLevel(level)

are: read-uncommitted read-committed repeatable-read snapshot serializable Parameters: level - the transaction isolation level Since: JDO 2.2 See Also: getTransactionIsolationLevel() Constants.TX_READ_UNCOMMITTED Constants.TX_READ_COMMITTED Constants.TX_REPEATABLE_READ Constants.TX_SNAPSHOT Constants.TX_SERIALIZABLE
Issue
5

Best practise loading big data

after a certain number of read accesses (every 10000 read access to commit and open a new transaction ... if this operation includes updates to the database or it is read only. If it is a read ... this scenario the data is only read so we do not need to commit - commit is a NOOP. If it is faster
JDO Doc
4

javax.jdo.identity.ByteIdentity

IOException, ClassNotFoundException Read this object. Read this object. Read the superclass first
JDO Doc
4

javax.jdo.identity.CharIdentity

. Since: JDO 1.0 void readExternal(ObjectInput in)throws IOException, ClassNotFoundException Read this object. Read this object. Read the superclass first. Parameters: in - the input Since: JDO 1.0 String
JDO Doc
4

javax.jdo.identity.IntIdentity

, ClassNotFoundException Read this object. Read this object. Read the superclass first. Parameters: in - the input
JDO Doc
4

javax.jdo.identity.LongIdentity

, ClassNotFoundException Read this object. Read this object. Read the superclass first. Parameters: in
JDO Doc
4

javax.jdo.identity.ObjectIdentity

, ClassNotFoundException Read this object. Read this object. Read the superclass first. Parameters: in - the input
JDO Doc
4

javax.jdo.identity.ShortIdentity

, ClassNotFoundException Read this object. Read this object. Read the superclass first. Parameters: in
JDO Doc
4

javax.jdo.identity.StringIdentity

Read this object. Read this object. Read the superclass first. Parameters: in - the input Since: JDO 1