Package org.eclipse.persistence.internal.databaseaccess

Class 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:
    Serialized Form

    • Field Detail

      • 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

    • Constructor Detail

      • ParameterizedSQLBatchWritingMechanism

        public ParameterizedSQLBatchWritingMechanism()

      • ParameterizedSQLBatchWritingMechanism

        public ParameterizedSQLBatchWritingMechanism​(DatabaseAccessor databaseAccessor)

    • Method Detail

      • 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

      • 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)