Record Class ConsistentReadStart

java.lang.Object
java.lang.Record
com.kingsrook.qqq.backend.module.rdbms.strategy.ConsistentReadStart
Record Components:
exportedSnapshotId - a snapshot id other connections can import, if any
guarantee - what the transaction guarantees
public record ConsistentReadStart(Optional<String> exportedSnapshotId, ConsistencyGuarantee guarantee) extends Record
Result of RDBMSActionStrategyInterface.beginConsistentRead - what the connection's transaction now guarantees, and (if the database can share it) an id by which other connections can attach to the same snapshot.

  • Constructor Details

    • ConsistentReadStart

      public ConsistentReadStart(Optional<String> exportedSnapshotId, ConsistencyGuarantee guarantee)
      Creates an instance of a ConsistentReadStart record class.
      Parameters:
      exportedSnapshotId - the value for the exportedSnapshotId record component
      guarantee - the value for the guarantee record component

  • Method Details

    • toString

      public final String toString()
      Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.
      Specified by:
      toString in class Record
      Returns:
      a string representation of this object

    • hashCode

      public final int hashCode()
      Returns a hash code value for this object. The value is derived from the hash code of each of the record components.
      Specified by:
      hashCode in class Record
      Returns:
      a hash code value for this object

    • equals

      public final boolean equals(Object o)
      Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).
      Specified by:
      equals in class Record
      Parameters:
      o - the object with which to compare
      Returns:
      true if this object is the same as the o argument; false otherwise.

    • exportedSnapshotId

      public Optional<String> exportedSnapshotId()
      Returns the value of the exportedSnapshotId record component.
      Returns:
      the value of the exportedSnapshotId record component

    • guarantee

      public ConsistencyGuarantee guarantee()
      Returns the value of the guarantee record component.
      Returns:
      the value of the guarantee record component