下面列出了怎么用org.apache.logging.log4j.core.appender.rolling.CompositeTriggeringPolicy的API类实例代码及写法，或者点击链接到github查看源代码。
@SuppressWarnings({"rawtypes", "unchecked"})
private static void createAppenderAndStart(String loggerName, String fileName, String filePattern) {
Layout layout = PatternLayout.newBuilder().withConfiguration(config)
.withPattern("[%d{HH:mm:ss:SSS}] [%p] - %l - %m%n").build();
TimeBasedTriggeringPolicy tbtp = TimeBasedTriggeringPolicy.createPolicy(null, null);
TriggeringPolicy tp = SizeBasedTriggeringPolicy.createPolicy("10M");
CompositeTriggeringPolicy policyComposite = CompositeTriggeringPolicy.createPolicy(tbtp, tp);
String loggerDir = datalogDir + File.separator;
String loggerPathPrefix = loggerDir + File.separator;
RollingFileAppender.Builder builder = RollingFileAppender.newBuilder().withFilePattern(filePattern)
.withStrategy(null).withPolicy(policyComposite).withConfiguration(config);
RollingFileAppender appender = builder.build();
appender.start();
config.addAppender(appender);
AppenderRef ref = AppenderRef.createAppenderRef(loggerName, Level.INFO, null);
AppenderRef[] refs = new AppenderRef[] {ref};
LoggerConfig loggerConfig =
LoggerConfig.createLogger(false, Level.ALL, loggerName, "true", refs, null, config, null);
loggerConfig.addAppender(appender, null, null);
config.addLogger(loggerName, loggerConfig);
ctx.updateLoggers();
}
private void testRollingFileAppender(final String configResource, final String name, final String filePattern) throws URISyntaxException {
final Configuration configuration = getConfiguration(configResource);
final Appender appender = configuration.getAppender(name);
assertNotNull(appender);
assertEquals(name, appender.getName());
assertTrue(appender.getClass().getName(), appender instanceof RollingFileAppender);
final RollingFileAppender rfa = (RollingFileAppender) appender;
assertEquals("target/hadoop.log", rfa.getFileName());
assertEquals(filePattern, rfa.getFilePattern());
final TriggeringPolicy triggeringPolicy = rfa.getTriggeringPolicy();
assertNotNull(triggeringPolicy);
assertTrue(triggeringPolicy.getClass().getName(), triggeringPolicy instanceof CompositeTriggeringPolicy);
final CompositeTriggeringPolicy ctp = (CompositeTriggeringPolicy) triggeringPolicy;
final TriggeringPolicy[] triggeringPolicies = ctp.getTriggeringPolicies();
assertEquals(1, triggeringPolicies.length);
final TriggeringPolicy tp = triggeringPolicies[0];
assertTrue(tp.getClass().getName(), tp instanceof SizeBasedTriggeringPolicy);
final SizeBasedTriggeringPolicy sbtp = (SizeBasedTriggeringPolicy) tp;
assertEquals(256 * 1024 * 1024, sbtp.getMaxFileSize());
final RolloverStrategy rolloverStrategy = rfa.getManager().getRolloverStrategy();
assertTrue(rolloverStrategy.getClass().getName(), rolloverStrategy instanceof DefaultRolloverStrategy);
final DefaultRolloverStrategy drs = (DefaultRolloverStrategy) rolloverStrategy;
assertEquals(20, drs.getMaxIndex());
configuration.start();
configuration.stop();
}
private void testDailyRollingFileAppender(final String configResource, final String name, final String filePattern) throws URISyntaxException {
final Configuration configuration = getConfiguration(configResource);
final Appender appender = configuration.getAppender(name);
assertNotNull(appender);
assertEquals(name, appender.getName());
assertTrue(appender.getClass().getName(), appender instanceof RollingFileAppender);
final RollingFileAppender rfa = (RollingFileAppender) appender;
assertEquals("target/hadoop.log", rfa.getFileName());
assertEquals(filePattern, rfa.getFilePattern());
final TriggeringPolicy triggeringPolicy = rfa.getTriggeringPolicy();
assertNotNull(triggeringPolicy);
assertTrue(triggeringPolicy.getClass().getName(), triggeringPolicy instanceof CompositeTriggeringPolicy);
final CompositeTriggeringPolicy ctp = (CompositeTriggeringPolicy) triggeringPolicy;
final TriggeringPolicy[] triggeringPolicies = ctp.getTriggeringPolicies();
assertEquals(1, triggeringPolicies.length);
final TriggeringPolicy tp = triggeringPolicies[0];
assertTrue(tp.getClass().getName(), tp instanceof TimeBasedTriggeringPolicy);
final TimeBasedTriggeringPolicy tbtp = (TimeBasedTriggeringPolicy) tp;
assertEquals(1, tbtp.getInterval());
final RolloverStrategy rolloverStrategy = rfa.getManager().getRolloverStrategy();
assertTrue(rolloverStrategy.getClass().getName(), rolloverStrategy instanceof DefaultRolloverStrategy);
final DefaultRolloverStrategy drs = (DefaultRolloverStrategy) rolloverStrategy;
assertEquals(Integer.MAX_VALUE, drs.getMaxIndex());
configuration.start();
configuration.stop();
}
private void testRollingFileAppender(final String configResource, final String name, final String filePattern) throws URISyntaxException {
final Configuration configuration = getConfiguration(configResource);
final Appender appender = configuration.getAppender(name);
assertNotNull(appender);
assertEquals(name, appender.getName());
assertTrue(appender.getClass().getName(), appender instanceof RollingFileAppender);
final RollingFileAppender rfa = (RollingFileAppender) appender;
assertEquals("target/hadoop.log", rfa.getFileName());
assertEquals(filePattern, rfa.getFilePattern());
final TriggeringPolicy triggeringPolicy = rfa.getTriggeringPolicy();
assertNotNull(triggeringPolicy);
assertTrue(triggeringPolicy.getClass().getName(), triggeringPolicy instanceof CompositeTriggeringPolicy);
final CompositeTriggeringPolicy ctp = (CompositeTriggeringPolicy) triggeringPolicy;
final TriggeringPolicy[] triggeringPolicies = ctp.getTriggeringPolicies();
assertEquals(1, triggeringPolicies.length);
final TriggeringPolicy tp = triggeringPolicies[0];
assertTrue(tp.getClass().getName(), tp instanceof SizeBasedTriggeringPolicy);
final SizeBasedTriggeringPolicy sbtp = (SizeBasedTriggeringPolicy) tp;
assertEquals(256 * 1024 * 1024, sbtp.getMaxFileSize());
final RolloverStrategy rolloverStrategy = rfa.getManager().getRolloverStrategy();
assertTrue(rolloverStrategy.getClass().getName(), rolloverStrategy instanceof DefaultRolloverStrategy);
final DefaultRolloverStrategy drs = (DefaultRolloverStrategy) rolloverStrategy;
assertEquals(20, drs.getMaxIndex());
configuration.start();
configuration.stop();
}
private void testDailyRollingFileAppender(final String configResource, final String name, final String filePattern) throws URISyntaxException {
final Configuration configuration = getConfiguration(configResource);
final Appender appender = configuration.getAppender(name);
assertNotNull(appender);
assertEquals(name, appender.getName());
assertTrue(appender.getClass().getName(), appender instanceof RollingFileAppender);
final RollingFileAppender rfa = (RollingFileAppender) appender;
assertEquals("target/hadoop.log", rfa.getFileName());
assertEquals(filePattern, rfa.getFilePattern());
final TriggeringPolicy triggeringPolicy = rfa.getTriggeringPolicy();
assertNotNull(triggeringPolicy);
assertTrue(triggeringPolicy.getClass().getName(), triggeringPolicy instanceof CompositeTriggeringPolicy);
final CompositeTriggeringPolicy ctp = (CompositeTriggeringPolicy) triggeringPolicy;
final TriggeringPolicy[] triggeringPolicies = ctp.getTriggeringPolicies();
assertEquals(1, triggeringPolicies.length);
final TriggeringPolicy tp = triggeringPolicies[0];
assertTrue(tp.getClass().getName(), tp instanceof TimeBasedTriggeringPolicy);
final TimeBasedTriggeringPolicy tbtp = (TimeBasedTriggeringPolicy) tp;
assertEquals(1, tbtp.getInterval());
final RolloverStrategy rolloverStrategy = rfa.getManager().getRolloverStrategy();
assertTrue(rolloverStrategy.getClass().getName(), rolloverStrategy instanceof DefaultRolloverStrategy);
final DefaultRolloverStrategy drs = (DefaultRolloverStrategy) rolloverStrategy;
assertEquals(Integer.MAX_VALUE, drs.getMaxIndex());
configuration.start();
configuration.stop();
}
private Appender createAppender(final String name, final Log4j1Configuration config, final Layout layout,
final Filter filter, final boolean bufferedIo, boolean immediateFlush, final String fileName,
final String level, final String maxSize, final String maxBackups) {
org.apache.logging.log4j.core.Layout<?> fileLayout = null;
if (bufferedIo) {
immediateFlush = true;
}
if (layout instanceof LayoutWrapper) {
fileLayout = ((LayoutWrapper) layout).getLayout();
} else if (layout != null) {
fileLayout = new LayoutAdapter(layout);
}
org.apache.logging.log4j.core.Filter fileFilter = buildFilters(level, filter);
if (fileName == null) {
LOGGER.warn("Unable to create File Appender, no file name provided");
return null;
}
String filePattern = fileName +"%d{yyy-MM-dd}";
TriggeringPolicy timePolicy = TimeBasedTriggeringPolicy.newBuilder().setModulate(true).build();
SizeBasedTriggeringPolicy sizePolicy = SizeBasedTriggeringPolicy.createPolicy(maxSize);
CompositeTriggeringPolicy policy = CompositeTriggeringPolicy.createPolicy(sizePolicy, timePolicy);
RolloverStrategy strategy = DefaultRolloverStrategy.newBuilder()
.setConfig(config)
.setMax(maxBackups)
.build();
return new AppenderWrapper(RollingFileAppender.newBuilder()
.setName(name)
.setConfiguration(config)
.setLayout(fileLayout)
.setFilter(fileFilter)
.setBufferedIo(bufferedIo)
.setImmediateFlush(immediateFlush)
.setFileName(fileName)
.setFilePattern(filePattern)
.setPolicy(policy)
.setStrategy(strategy)
.build());
}
public static Logger createLogger(Input input, LoggerContext loggerContext, LogFeederProps logFeederProps) {
boolean useJsonFormat = logFeederProps.isCloudStorageUseFilters();
String type = input.getLogType().replace(LogFeederConstants.CLOUD_PREFIX, "");
String uniqueThreadName = input.getThread().getName();
Configuration config = loggerContext.getConfiguration();
String baseDir = logFeederProps.getRolloverConfig().getRolloverArchiveBaseDir();
String destination = logFeederProps.getCloudStorageDestination().getText();
String clusterHostnameBaseDir = Paths.get(baseDir, destination, logFeederProps.getClusterName(), LogFeederUtil.hostName).toFile().getAbsolutePath();
String activeLogDir = Paths.get(clusterHostnameBaseDir, ACTIVE_FOLDER, type).toFile().getAbsolutePath();
String archiveLogDir = Paths.get(clusterHostnameBaseDir, ARCHIVED_FOLDER, type).toFile().getAbsolutePath();
boolean useGzip = logFeederProps.getRolloverConfig().isUseGzip();
final String archiveFilePattern;
if (useJsonFormat) {
archiveFilePattern = useGzip ? JSON_DATE_PATTERN_SUFFIX_GZ : JSON_DATE_PATTERN_SUFFIX;
} else {
archiveFilePattern = useGzip ? DATE_PATTERN_SUFFIX_GZ : DATE_PATTERN_SUFFIX;
}
String logSuffix = useJsonFormat ? ".json" : ".log";
String fileName = String.join(File.separator, activeLogDir, type + logSuffix);
String filePattern = String.join(File.separator, archiveLogDir, type + archiveFilePattern);
PatternLayout layout = PatternLayout.newBuilder()
.withPattern(PatternLayout.DEFAULT_CONVERSION_PATTERN).build();
String rolloverSize = logFeederProps.getRolloverConfig().getRolloverSize().toString() + logFeederProps.getRolloverConfig().getRolloverSizeFormat();
SizeBasedTriggeringPolicy sizeBasedTriggeringPolicy = SizeBasedTriggeringPolicy.createPolicy(rolloverSize);
final Integer thresholdMin = logFeederProps.getRolloverConfig().getRolloverThresholdTimeMins();
final Integer thresholdInterval = thresholdMin * 60000; // 1 min = 60000 milliseconds
TimeBasedTriggeringPolicy timeBasedTriggeringPolicy = TimeBasedTriggeringPolicy.newBuilder()
.withInterval(thresholdInterval)
.build();
final CompositeTriggeringPolicy compositeTriggeringPolicy;
if (logFeederProps.getRolloverConfig().isRolloverOnStartup()) {
OnStartupTriggeringPolicy onStartupTriggeringPolicy = OnStartupTriggeringPolicy.createPolicy(1);
compositeTriggeringPolicy = CompositeTriggeringPolicy
.createPolicy(sizeBasedTriggeringPolicy, timeBasedTriggeringPolicy, onStartupTriggeringPolicy);
} else {
compositeTriggeringPolicy = CompositeTriggeringPolicy
.createPolicy(sizeBasedTriggeringPolicy, timeBasedTriggeringPolicy);
}
DefaultRolloverStrategy defaultRolloverStrategy = DefaultRolloverStrategy.newBuilder()
.withMax(String.valueOf(logFeederProps.getRolloverConfig().getRolloverMaxBackupFiles()))
.build();
boolean immediateFlush = logFeederProps.getRolloverConfig().isImmediateFlush();
RollingFileAppender appender = RollingFileAppender.newBuilder()
.withFileName(fileName)
.withFilePattern(filePattern)
.withLayout(layout)
.withName(type)
.withPolicy(compositeTriggeringPolicy)
.withStrategy(defaultRolloverStrategy)
.withImmediateFlush(immediateFlush)
.build();
appender.start();
config.addAppender(appender);
AppenderRef ref = AppenderRef.createAppenderRef(type, null, null);
AppenderRef[] refs = new AppenderRef[] {ref};
LoggerConfig loggerConfig = LoggerConfig
.createLogger(false, Level.ALL, input.getThread().getName(),
"true", refs, null, config, null);
loggerConfig.addAppender(appender, null, null);
config.addLogger(uniqueThreadName, loggerConfig);
loggerContext.updateLoggers();
return loggerContext.getLogger(uniqueThreadName);
}