Package com.illumon.iris.binarystore

Class CommandRecordV2

java.lang.Object

com.illumon.iris.binarystore.CommandRecordV2

All Implemented Interfaces:

com.fishlib.base.log.LogOutputAppendable, RecordData

Direct Known Subclasses:

CommandRecordV2.CheckpointCommand, CommandRecordV2.DeletePartition2Command, CommandRecordV2.DeletePartitionCommand, CommandRecordV2.LASCommandRecordV2

public abstract class CommandRecordV2
extends Object
implements RecordData, com.fishlib.base.log.LogOutputAppendable

Read and write RecordData that are commands. Does not contain an internal buffer or data sink.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CommandRecordV2.CheckpointCommand
static class	CommandRecordV2.DeletePartition2Command	This class represents a command to delete the identified partition.
static class	CommandRecordV2.DeletePartitionCommand	This class represents a command to delete the "current" partition.
static class	CommandRecordV2.LASCommandRecordV2	Wrap a LAS command (as defined in com.illumon.iris.db.v2.logaggregator.CommandHelper.LasInnerCommandId) in a record entry.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	command	The command id.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	CommandRecordV2()	The extending class is expected to set command.
protected	CommandRecordV2(int command)	Construct a command for writing, used by sub-classes.

Method Summary

Modifier and Type	Method	Description
com.fishlib.base.log.LogOutput	append(com.fishlib.base.log.LogOutput logOutput)
int	getCommand()	Return the command byte.
int	getDataSize()	Determine the required buffer size in bytes.
protected void	setCommand(ByteBuffer buffer)	Read the bytes common to all commands from the buffer.
String	toString()
void	write(ByteBuffer buffer)	Write the record data to the given data buffer.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

command

protected int command

The command id.

Constructor Details

CommandRecordV2

protected CommandRecordV2(int command)

Construct a command for writing, used by sub-classes.

CommandRecordV2

protected CommandRecordV2()

The extending class is expected to set command.

Method Details

setCommand

protected void setCommand(ByteBuffer buffer)

Read the bytes common to all commands from the buffer.

Parameters:

buffer - The source buffer.

getCommand

public int getCommand()

Return the command byte.

Returns:

the command byte.

write

public void write(ByteBuffer buffer)

Description copied from interface: RecordData

Write the record data to the given data buffer.

Specified by:

write in interface RecordData

Parameters:

buffer - write to this buffer

append

public com.fishlib.base.log.LogOutput append(com.fishlib.base.log.LogOutput logOutput)

Specified by:

append in interface com.fishlib.base.log.LogOutputAppendable

getDataSize

public int getDataSize()

Description copied from interface: RecordData

Determine the required buffer size in bytes. Note that this method is intended for use in exception-handling and may not have good performance, and may allocate temporary buffers to determine the final data size.

Specified by:

getDataSize in interface RecordData

Returns:

the required buffer size in bytes

toString

public String toString()

Overrides:

toString in class Object