Package com.logviewer.data2

Class Log

java.lang.Object

com.logviewer.data2.Log

All Implemented Interfaces:

LogView

public class Log
extends Object
implements LogView

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	Log.LogSnapshot

Field Summary

Fields

Modifier and Type	Field	Description
static final long	CHANGE_NOTIFICATION_TIMEOUT
static Function<String,String>	DEFAULT_ID_GENERATOR
static Function<String,String>	LOG_ID_GENERATOR
static final String	UNPACK_GZ_ARCHIVES

Constructor Summary

Constructors

Constructor	Description
Log(Path path, LogFormat format, ExecutorService executor)

Method Summary

Modifier and Type	Method	Description
Destroyer	addChangeListener(Consumer<FileAttributes> changeListener)
LogProcess	createRecordSearcher(Position start, boolean backward, RecordPredicate recordPredicate, String hash, int recordCount, SearchPattern searchPattern, Consumer<SearchResult> listener)
Snapshot	createSnapshot()
Path	getFile()
LogFormat	getFormat()
String	getHostname()
String	getId()
LogPath	getPath()
boolean	isConnected()
CompletableFuture<Pair<String,Integer>>	loadContent(long offset, int length)	Reads a piece of the log.
LogProcess	loadRecords(RecordPredicate filter, int recordCountLimit, Position start, boolean backward, String hash, long sizeLimit, LogDataListener loadListener)
CompletableFuture<LogRecord>	readRecordAt(long offset)
static void	setLogIdGenerator(Function<String,String> logIdGenerator)	VisibleForTesting
String	toString()
CompletableFuture<Throwable>	tryRead()

Methods inherited from class java.lang.Object

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

Field Details

UNPACK_GZ_ARCHIVES

public static final String UNPACK_GZ_ARCHIVES

See Also:

• Constant Field Values

DEFAULT_ID_GENERATOR

public static Function<String,String> DEFAULT_ID_GENERATOR

LOG_ID_GENERATOR

public static Function<String,String> LOG_ID_GENERATOR

CHANGE_NOTIFICATION_TIMEOUT

public static final long CHANGE_NOTIFICATION_TIMEOUT

See Also:

• Constant Field Values

Constructor Details

Log

public Log(@NonNull
 Path path,
 @NonNull
 LogFormat format,
 @NonNull
 ExecutorService executor)

Method Details

getId

public String getId()

Specified by:

getId in interface LogView

getFile

public Path getFile()

getPath

public LogPath getPath()

Specified by:

getPath in interface LogView

getHostname

public String getHostname()

Specified by:

getHostname in interface LogView

getFormat

public LogFormat getFormat()

Specified by:

getFormat in interface LogView

isConnected

public boolean isConnected()

Specified by:

isConnected in interface LogView

createSnapshot

public Snapshot createSnapshot()

loadRecords

public LogProcess loadRecords(@Nullable
 RecordPredicate filter,
 int recordCountLimit,
 @Nullable
 Position start,
 boolean backward,
 String hash,
 long sizeLimit,
 @NonNull
 LogDataListener loadListener)

Specified by:

loadRecords in interface LogView

createRecordSearcher

public LogProcess createRecordSearcher(@NonNull
 Position start,
 boolean backward,
 RecordPredicate recordPredicate,
 @Nullable
 String hash,
 int recordCount,
 @NonNull
 SearchPattern searchPattern,
 @NonNull
 Consumer<SearchResult> listener)

Specified by:

createRecordSearcher in interface LogView

addChangeListener

public Destroyer addChangeListener(Consumer<FileAttributes> changeListener)

Specified by:

addChangeListener in interface LogView

tryRead

public CompletableFuture<Throwable> tryRead()

Specified by:

tryRead in interface LogView

readRecordAt

public CompletableFuture<LogRecord> readRecordAt(long offset)

Specified by:

readRecordAt in interface LogView

loadContent

public CompletableFuture<Pair<String,Integer>> loadContent(long offset,
 int length)

Description copied from interface: LogView

Reads a piece of the log.

Specified by:

loadContent in interface LogView

Parameters:

offset - The offset in the log.

length - The number of bytes to read. The actual read piece may be less than 'length'.

Returns:

A pair of the read text and the actual size of the text in bytes.

toString

public String toString()

Overrides:

toString in class Object

setLogIdGenerator

public static void setLogIdGenerator(Function<String,String> logIdGenerator)

VisibleForTesting