Package org.jmxtrans.agent

Class RollingFileOutputWriter

java.lang.Object

org.jmxtrans.agent.AbstractOutputWriter

org.jmxtrans.agent.RollingFileOutputWriter

All Implemented Interfaces:

OutputWriter

public class RollingFileOutputWriter
extends AbstractOutputWriter

Field Summary

Fields

Modifier and Type	Field	Description
protected java.io.File	file
protected boolean	firstResult
protected int	maxBackupIndex
protected long	maxFileSize
static java.lang.String	SETTING_FILE_NAME
static java.lang.String	SETTING_FILE_NAME_DEFAULT_VALUE
static java.lang.String	SETTING_MAX_BACKUP_INDEX
static int	SETTING_MAX_BACKUP_INDEX_DEFAULT_VALUE
static java.lang.String	SETTING_MAX_FILE_SIZE
static long	SETTING_MAX_FILE_SIZE_DEFAULT_VALUE
static java.lang.String	SETTING_SINGLE_LINE
static boolean	SETTING_SINGLE_LINE_DEFAULT_VALUE
protected boolean	singleLine
protected java.io.File	temporaryFile
protected java.io.Writer	temporaryFileWriter

Fields inherited from class org.jmxtrans.agent.AbstractOutputWriter

logger, SETTING_LOG_LEVEL, SETTING_LOG_LEVEL_DEFAULT_VALUE

Constructor Summary

Constructors

Constructor	Description
RollingFileOutputWriter()

Method Summary

Modifier and Type	Method	Description
protected java.io.Writer	getTemporaryFileWriter()
void	postCollect()	called after a serie of writes, typically at the end of a collection.
void	postConstruct(java.util.Map<java.lang.String,java.lang.String> settings)
void	preCollect()	Called before metrics collection starts
protected void	releaseTemporaryWriter()
void	writeInvocationResult(java.lang.String invocationName, java.lang.Object value)
void	writeQueryResult(java.lang.String name, java.lang.String type, java.lang.Object value)

Methods inherited from class org.jmxtrans.agent.AbstractOutputWriter

getDebugLevel, getInfoLevel, getTraceLevel, preDestroy

Methods inherited from class java.lang.Object

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

Field Details

SETTING_FILE_NAME

public static final java.lang.String SETTING_FILE_NAME

See Also:

Constant Field Values

SETTING_FILE_NAME_DEFAULT_VALUE

public static final java.lang.String SETTING_FILE_NAME_DEFAULT_VALUE

See Also:

Constant Field Values

SETTING_MAX_FILE_SIZE

public static final java.lang.String SETTING_MAX_FILE_SIZE

See Also:

Constant Field Values

SETTING_MAX_FILE_SIZE_DEFAULT_VALUE

public static final long SETTING_MAX_FILE_SIZE_DEFAULT_VALUE

See Also:

Constant Field Values

SETTING_MAX_BACKUP_INDEX

public static final java.lang.String SETTING_MAX_BACKUP_INDEX

See Also:

Constant Field Values

SETTING_MAX_BACKUP_INDEX_DEFAULT_VALUE

public static final int SETTING_MAX_BACKUP_INDEX_DEFAULT_VALUE

See Also:

Constant Field Values

SETTING_SINGLE_LINE

public static final java.lang.String SETTING_SINGLE_LINE

See Also:

Constant Field Values

SETTING_SINGLE_LINE_DEFAULT_VALUE

public static final boolean SETTING_SINGLE_LINE_DEFAULT_VALUE

See Also:

Constant Field Values

temporaryFileWriter

protected java.io.Writer temporaryFileWriter

temporaryFile

protected java.io.File temporaryFile

file

protected java.io.File file

maxFileSize

protected long maxFileSize

maxBackupIndex

protected int maxBackupIndex

singleLine

protected boolean singleLine

firstResult

protected boolean firstResult

Constructor Details

RollingFileOutputWriter

public RollingFileOutputWriter()

Method Details

postConstruct

public void postConstruct(java.util.Map<java.lang.String,java.lang.String> settings)

Specified by:

postConstruct in interface OutputWriter

Overrides:

postConstruct in class AbstractOutputWriter

getTemporaryFileWriter

protected java.io.Writer getTemporaryFileWriter()
                                         throws java.io.IOException

Throws:

java.io.IOException

writeInvocationResult

public void writeInvocationResult(java.lang.String invocationName,
java.lang.Object value)
                           throws java.io.IOException

Specified by:

writeInvocationResult in interface OutputWriter

Specified by:

writeInvocationResult in class AbstractOutputWriter

Throws:

java.io.IOException

writeQueryResult

public void writeQueryResult(@Nonnull
java.lang.String name,
@Nullable
java.lang.String type,
@Nullable
java.lang.Object value)
                      throws java.io.IOException

Specified by:

writeQueryResult in interface OutputWriter

Specified by:

writeQueryResult in class AbstractOutputWriter

type - see Query.type

Throws:

java.io.IOException

releaseTemporaryWriter

protected void releaseTemporaryWriter()

preCollect

public void preCollect()
                throws java.io.IOException

Description copied from interface: OutputWriter

Called before metrics collection starts

Specified by:

preCollect in interface OutputWriter

Overrides:

preCollect in class AbstractOutputWriter

Throws:

java.io.IOException

postCollect

public void postCollect()
                 throws java.io.IOException

Description copied from interface: OutputWriter

called after a serie of writes, typically at the end of a collection.

Useful with batch writers.

Specified by:

postCollect in interface OutputWriter

Overrides:

postCollect in class AbstractOutputWriter

Throws:

java.io.IOException