Class TransactionTableEntry

  • All Implemented Interfaces:
    java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, Formatable, TypedFormat, TransactionInfo

    public class TransactionTableEntry
    extends java.lang.Object
    implements Formatable, TransactionInfo, java.lang.Cloneable
    Transaction table entry is used to store all relevant information of a transaction into the transaction table for the use of checkpoint, recovery, Transaction management during Quiesce state, and for dumping transaction table. Only works with the following classes: TransactionTable, XactFactory, Xact
    During run time, whenever any transaction is started, it is put into the transaction table. Whenever any transaction is closed, it is removed from the transaction table.
    See Also:
    Serialized Form
    • Constructor Detail

      • TransactionTableEntry

        TransactionTableEntry​(Xact xact,
                              TransactionId tid,
                              int status,
                              int attribute)
      • TransactionTableEntry

        public TransactionTableEntry()
    • Method Detail

      • writeExternal

        public void writeExternal​(java.io.ObjectOutput out)
                           throws java.io.IOException
        Specified by:
        writeExternal in interface java.io.Externalizable
        Throws:
        java.io.IOException
      • readExternal

        public void readExternal​(java.io.ObjectInput in)
                          throws java.lang.ClassNotFoundException,
                                 java.io.IOException
        Specified by:
        readExternal in interface java.io.Externalizable
        Throws:
        java.lang.ClassNotFoundException
        java.io.IOException
      • setXact

        void setXact​(Xact xact)
      • getTypeFormatId

        public int getTypeFormatId()
        Return my format identifier.
        Specified by:
        getTypeFormatId in interface TypedFormat
        Returns:
        The identifier. (A UUID stuffed in an array of 16 bytes).
      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object
      • updateTransactionStatus

        void updateTransactionStatus​(Xact xact,
                                     int status,
                                     int attribute)
      • removeUpdateTransaction

        void removeUpdateTransaction()
      • unsetRecoveryStatus

        void unsetRecoveryStatus()
      • prepareTransaction

        void prepareTransaction()
      • getXact

        public final Xact getXact()
      • getTransactionStatus

        int getTransactionStatus()
      • isUpdate

        boolean isUpdate()
      • isRecovery

        boolean isRecovery()
      • isPrepared

        boolean isPrepared()
      • needExclusion

        public boolean needExclusion()
      • getlcc

        private void getlcc()
      • clone

        protected java.lang.Object clone()
        Cloneable
        Overrides:
        clone in class java.lang.Object