Module org.eclipse.persistence.core
Package org.eclipse.persistence.internal.databaseaccess

Class ParameterizedSQLBatchWritingMechanism

java.lang.Object
org.eclipse.persistence.internal.databaseaccess.BatchWritingMechanism
org.eclipse.persistence.internal.databaseaccess.ParameterizedSQLBatchWritingMechanism
All Implemented Interfaces:
Serializable, Cloneable
public class ParameterizedSQLBatchWritingMechanism extends BatchWritingMechanism
INTERNAL:

ParameterizedSQLBatchWritingMechanism is a private class, used by the DatabaseAccessor. it provides the required behavior for batching statements, for write, with parameter binding turned on.

Since:
OracleAS TopLink 10g (9.0.4)
See Also:

  • Field Details

    • previousCall

      protected DatabaseCall previousCall
      This member variable is used to keep track of the last SQL string that was executed by this mechanism. If the current string and previous string match then simply bind in the arguments, otherwise end previous batch and start a new batch

    • parameters

      protected List<List> parameters
      This variable contains a list of the parameters list passed into the query

    • lastCallAppended

      protected DatabaseCall lastCallAppended

  • Constructor Details

    • ParameterizedSQLBatchWritingMechanism

      public ParameterizedSQLBatchWritingMechanism()

    • ParameterizedSQLBatchWritingMechanism

      public ParameterizedSQLBatchWritingMechanism(DatabaseAccessor databaseAccessor)

  • Method Details

    • appendCall

      public void appendCall(AbstractSession session, DatabaseCall dbCall)
      INTERNAL: This method is called by the DatabaseAccessor to add this statement to the list of statements being batched. This call may result in the Mechanism executing the batched statements and possibly, switching out the mechanisms
      Specified by:
      appendCall in class BatchWritingMechanism

    • clear

      public void clear()
      INTERNAL: This method is used to clear the batched statements without the need to execute the statements first This is used in the case of rollback.
      Specified by:
      clear in class BatchWritingMechanism

    • executeBatchedStatements

      public void executeBatchedStatements(AbstractSession session)
      INTERNAL: This method is used by the DatabaseAccessor to clear the batched statements in the case that a non batchable statement is being executed
      Specified by:
      executeBatchedStatements in class BatchWritingMechanism

    • switchMechanisms

      protected void switchMechanisms(AbstractSession session, DatabaseCall dbCall)
      INTERNAL: Swaps out the Mechanism for the other Mechanism

    • prepareBatchStatements

      protected PreparedStatement prepareBatchStatements(AbstractSession session) throws DatabaseException
      INTERNAL: This method is used to build the parameterized batch statement for the JDBC2.0 specification
      Throws:
      DatabaseException

    • getPreviousCall

      public DatabaseCall getPreviousCall()

    • setPreviousCall

      public void setPreviousCall(DatabaseCall previousCall)

    • getParameters

      public List<List> getParameters()

    • setParameters

      public void setParameters(List<List> parameters)

    • getLastCallAppended

      public DatabaseCall getLastCallAppended()

    • setLastCallAppended

      public void setLastCallAppended(DatabaseCall lastCallAppended)