Java Loggers.setLevel方法代码示例

import org.elasticsearch.common.logging.Loggers; //导入方法依赖的package包/类
public void testLoggingUpdates() {
    final Level level = ESLoggerFactory.getRootLogger().getLevel();
    final Level testLevel = ESLoggerFactory.getLogger("test").getLevel();
    Level property = randomFrom(Level.values());
    Settings.Builder builder = Settings.builder().put("logger.level", property);
    try {
        ClusterSettings settings = new ClusterSettings(builder.build(), ClusterSettings.BUILT_IN_CLUSTER_SETTINGS);
        IllegalArgumentException ex =
            expectThrows(
                IllegalArgumentException.class,
                () -> settings.validate(Settings.builder().put("logger._root", "boom").build()));
        assertEquals("Unknown level constant [BOOM].", ex.getMessage());
        assertEquals(level, ESLoggerFactory.getRootLogger().getLevel());
        settings.applySettings(Settings.builder().put("logger._root", "TRACE").build());
        assertEquals(Level.TRACE, ESLoggerFactory.getRootLogger().getLevel());
        settings.applySettings(Settings.builder().build());
        assertEquals(property, ESLoggerFactory.getRootLogger().getLevel());
        settings.applySettings(Settings.builder().put("logger.test", "TRACE").build());
        assertEquals(Level.TRACE, ESLoggerFactory.getLogger("test").getLevel());
        settings.applySettings(Settings.builder().build());
        assertEquals(property, ESLoggerFactory.getLogger("test").getLevel());
    } finally {
        Loggers.setLevel(ESLoggerFactory.getRootLogger(), level);
        Loggers.setLevel(ESLoggerFactory.getLogger("test"), testLevel);
    }
}
 

import org.elasticsearch.common.logging.Loggers; //导入方法依赖的package包/类
/**
 * Reset the logging levels to the state provided by the map.
 *
 * @param map the logging levels to apply
 * @return an empty map
 */
private Map<String, String> reset(final Map<String, String> map) {
    for (final Map.Entry<String, String> previousLogger : map.entrySet()) {
        final Logger logger = resolveLogger(previousLogger.getKey());
        Loggers.setLevel(logger, previousLogger.getValue());
    }

    return Collections.emptyMap();
}
 

import org.elasticsearch.common.logging.Loggers; //导入方法依赖的package包/类
public void testIndexWriterInfoStream() throws IllegalAccessException, IOException {
    assumeFalse("who tests the tester?", VERBOSE);
    MockAppender mockAppender = new MockAppender("testIndexWriterInfoStream");
    mockAppender.start();

    Logger rootLogger = LogManager.getRootLogger();
    Level savedLevel = rootLogger.getLevel();
    Loggers.addAppender(rootLogger, mockAppender);
    Loggers.setLevel(rootLogger, Level.DEBUG);
    rootLogger = LogManager.getRootLogger();

    try {
        // First, with DEBUG, which should NOT log IndexWriter output:
        ParsedDocument doc = testParsedDocument("1", "test", null, testDocumentWithTextField(), B_1, null);
        engine.index(indexForDoc(doc));
        engine.flush();
        assertFalse(mockAppender.sawIndexWriterMessage);

        // Again, with TRACE, which should log IndexWriter output:
        Loggers.setLevel(rootLogger, Level.TRACE);
        engine.index(indexForDoc(doc));
        engine.flush();
        assertTrue(mockAppender.sawIndexWriterMessage);

    } finally {
        Loggers.removeAppender(rootLogger, mockAppender);
        mockAppender.stop();
        Loggers.setLevel(rootLogger, savedLevel);
    }
}
 

import org.elasticsearch.common.logging.Loggers; //导入方法依赖的package包/类
public void testIndexWriterIFDInfoStream() throws IllegalAccessException, IOException {
    assumeFalse("who tests the tester?", VERBOSE);
    MockAppender mockAppender = new MockAppender("testIndexWriterIFDInfoStream");
    mockAppender.start();

    final Logger iwIFDLogger = Loggers.getLogger("org.elasticsearch.index.engine.Engine.IFD");

    Loggers.addAppender(iwIFDLogger, mockAppender);
    Loggers.setLevel(iwIFDLogger, Level.DEBUG);

    try {
        // First, with DEBUG, which should NOT log IndexWriter output:
        ParsedDocument doc = testParsedDocument("1", "test", null, testDocumentWithTextField(), B_1, null);
        engine.index(indexForDoc(doc));
        engine.flush();
        assertFalse(mockAppender.sawIndexWriterMessage);
        assertFalse(mockAppender.sawIndexWriterIFDMessage);

        // Again, with TRACE, which should only log IndexWriter IFD output:
        Loggers.setLevel(iwIFDLogger, Level.TRACE);
        engine.index(indexForDoc(doc));
        engine.flush();
        assertFalse(mockAppender.sawIndexWriterMessage);
        assertTrue(mockAppender.sawIndexWriterIFDMessage);

    } finally {
        Loggers.removeAppender(iwIFDLogger, mockAppender);
        mockAppender.stop();
        Loggers.setLevel(iwIFDLogger, (Level) null);
    }
}
 

import org.elasticsearch.common.logging.Loggers; //导入方法依赖的package包/类
public void testUpdateAutoThrottleSettings() throws Exception {
    MockAppender mockAppender = new MockAppender("testUpdateAutoThrottleSettings");
    mockAppender.start();
    final Logger settingsLogger = Loggers.getLogger("org.elasticsearch.common.settings.IndexScopedSettings");
    Loggers.addAppender(settingsLogger, mockAppender);
    Loggers.setLevel(settingsLogger, Level.TRACE);
    try {
        Settings.Builder builder = Settings.builder()
            .put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT)
            .put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, "1")
            .put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, "0")
            .put(MergePolicyConfig.INDEX_MERGE_POLICY_MAX_MERGE_AT_ONCE_SETTING.getKey(), "2")
            .put(MergePolicyConfig.INDEX_MERGE_POLICY_SEGMENTS_PER_TIER_SETTING.getKey(), "2")
            .put(MergeSchedulerConfig.MAX_THREAD_COUNT_SETTING.getKey(), "1")
            .put(MergeSchedulerConfig.MAX_MERGE_COUNT_SETTING.getKey(), "2")
            .put(MergeSchedulerConfig.AUTO_THROTTLE_SETTING.getKey(), "true");
        IndexSettings settings = new IndexSettings(newIndexMeta("index", builder.build()), Settings.EMPTY);
        assertEquals(settings.getMergeSchedulerConfig().isAutoThrottle(), true);
        builder.put(MergeSchedulerConfig.AUTO_THROTTLE_SETTING.getKey(), "false");
        settings.updateIndexMetaData(newIndexMeta("index", builder.build()));
        // Make sure we log the change:
        assertTrue(mockAppender.sawUpdateAutoThrottle);
        assertEquals(settings.getMergeSchedulerConfig().isAutoThrottle(), false);
    } finally {
        Loggers.removeAppender(settingsLogger, mockAppender);
        mockAppender.stop();
        Loggers.setLevel(settingsLogger, (Level) null);
    }
}
 

import org.elasticsearch.common.logging.Loggers; //导入方法依赖的package包/类
public void testUpdateMergeMaxThreadCount() throws Exception {
    MockAppender mockAppender = new MockAppender("testUpdateAutoThrottleSettings");
    mockAppender.start();
    final Logger settingsLogger = Loggers.getLogger("org.elasticsearch.common.settings.IndexScopedSettings");
    Loggers.addAppender(settingsLogger, mockAppender);
    Loggers.setLevel(settingsLogger, Level.TRACE);
    try {
        Settings.Builder builder = Settings.builder()
            .put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT)
            .put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, "1")
            .put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, "0")
            .put(MergePolicyConfig.INDEX_MERGE_POLICY_MAX_MERGE_AT_ONCE_SETTING.getKey(), "2")
            .put(MergePolicyConfig.INDEX_MERGE_POLICY_SEGMENTS_PER_TIER_SETTING.getKey(), "2")
            .put(MergeSchedulerConfig.MAX_THREAD_COUNT_SETTING.getKey(), "10000")
            .put(MergeSchedulerConfig.MAX_MERGE_COUNT_SETTING.getKey(), "10000");
        IndexSettings settings = new IndexSettings(newIndexMeta("index", builder.build()), Settings.EMPTY);
        assertEquals(settings.getMergeSchedulerConfig().getMaxMergeCount(), 10000);
        assertEquals(settings.getMergeSchedulerConfig().getMaxThreadCount(), 10000);
        settings.updateIndexMetaData(newIndexMeta("index", builder.build()));
        assertFalse(mockAppender.sawUpdateMaxThreadCount);
        builder.put(MergeSchedulerConfig.MAX_THREAD_COUNT_SETTING.getKey(), "1");
        settings.updateIndexMetaData(newIndexMeta("index", builder.build()));
        // Make sure we log the change:
        assertTrue(mockAppender.sawUpdateMaxThreadCount);
    } finally {
        Loggers.removeAppender(settingsLogger, mockAppender);
        mockAppender.stop();
        Loggers.setLevel(settingsLogger, (Level) null);
    }
}
 

import org.elasticsearch.common.logging.Loggers; //导入方法依赖的package包/类
public void testFallbackToLoggerLevel() {
    final Level level = ESLoggerFactory.getRootLogger().getLevel();
    try {
        ClusterSettings settings =
            new ClusterSettings(Settings.builder().put("logger.level", "ERROR").build(), ClusterSettings.BUILT_IN_CLUSTER_SETTINGS);
        assertEquals(level, ESLoggerFactory.getRootLogger().getLevel());
        settings.applySettings(Settings.builder().put("logger._root", "TRACE").build());
        assertEquals(Level.TRACE, ESLoggerFactory.getRootLogger().getLevel());
        settings.applySettings(Settings.builder().build()); // here we fall back to 'logger.level' which is our default.
        assertEquals(Level.ERROR, ESLoggerFactory.getRootLogger().getLevel());
    } finally {
        Loggers.setLevel(ESLoggerFactory.getRootLogger(), level);
    }
}
 

import org.elasticsearch.common.logging.Loggers; //导入方法依赖的package包/类
private void setLevel(SlowLogLevel level) {
    this.level = level;
    Loggers.setLevel(queryLogger, level.name());
    Loggers.setLevel(fetchLogger, level.name());
}
 

import org.elasticsearch.common.logging.Loggers; //导入方法依赖的package包/类
private void setLevel(SlowLogLevel level) {
    this.level = level;
    Loggers.setLevel(this.indexLogger, level.name());
}