Interface ParameterBufferMetaData

All Superinterfaces:
Serializable
All Known Implementing Classes:
DatabaseParameterBufferImp.DpbMetaData, ServiceParameterBufferImp.SpbMetaData, ServiceRequestBufferImp.SrbMetaData, TransactionParameterBufferImpl.TpbMetaData

public interface ParameterBufferMetaData extends Serializable
Additional metadata for parameter buffer behavior.
Since:
3.0
Author:
Mark Rotteveel
  • Method Details

    • getType

      int getType()
      Parameter buffer type (this usually is the version of the parameter buffer).
      Returns:
      Buffer type (for example ISCConstants.isc_spb_version3).
    • addPreamble

      default void addPreamble(ParameterBuffer parameterBuffer)
      Allows the metadata to add a preamble to the parameter buffer.

      This is only intended for the weird "version 2" connection service parameter buffer that requires two tags for the version with isc_spb_version, isc_spb_current_version.

      Parameters:
      parameterBuffer - Parameter buffer.
    • getStringArgumentType

      ArgumentType getStringArgumentType(int tag)
      Gets the string argument type for the supplied tag.

      When the tag is not known (or unsupported for string arguments), then the default should be returned.

      Parameters:
      tag - Tag (item type)
      Returns:
      Argument type (never null)
    • getByteArrayArgumentType

      ArgumentType getByteArrayArgumentType(int tag)
      Gets the byte array argument type for the supplied tag.

      When the tag is not known (or unsupported for string arguments), then the default should be returned.

      Parameters:
      tag - Tag (item type)
      Returns:
      Argument type (never null)
    • getIntegerArgumentType

      ArgumentType getIntegerArgumentType(int tag)
      Gets the integer argument type for the supplied tag.

      When the tag is not known (or unsupported for string arguments), then the default should be returned.

      Parameters:
      tag - Tag (item type)
      Returns:
      Argument type (never null)
    • getSingleArgumentType

      ArgumentType getSingleArgumentType(int tag)
      Gets the single argument type for the supplied tag.

      When the tag is not known (or unsupported for string arguments), then the default should be returned.

      Parameters:
      tag - Tag (item type)
      Returns:
      Argument type (never null)
    • getByteArgumentType

      default ArgumentType getByteArgumentType(int tag)
      Gets the byte argument type for the supplied tag.

      When the tag is not known (or unsupported for string arguments), then the default should be returned.

      Parameters:
      tag - Tag (item type)
      Returns:
      Argument type (never null)