java.time.Clock.system()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中java.time.Clock.system()方法的一些代码示例，展示了Clock.system()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Clock.system()方法的具体详情如下：
包路径：java.time.Clock
类名称：Clock
方法名：system

Clock.system介绍

[英]Obtains a clock that returns the current instant using best available system clock.

This clock is based on the best available system clock. This may use System#currentTimeMillis(), or a higher resolution clock if one is available.

Conversion from instant to date or time uses the specified time-zone.

The returned implementation is immutable, thread-safe and Serializable.
[中]使用最佳可用系统时钟获取返回当前时刻的时钟。
此时钟基于最佳可用系统时钟。这可能使用System#currentTimeMillis（），或更高分辨率的时钟（如果有）。
从即时到日期或时间的转换使用指定的时区。
返回的实现是不可变的、线程安全的和可序列化的。

代码示例

代码示例来源：origin: neo4j/neo4j

@Override
public Clock withZone( ZoneId zone )
{
  return Clock.system( zone ); // the users of this method do not need a NanoClock
}

代码示例来源：origin: apache/flume

public SyslogUtils(Integer defaultSize, Set<String> keepFields, boolean isUdp) {
 this(defaultSize, keepFields, isUdp, Clock.system(Clock.systemDefaultZone().getZone()));
}

代码示例来源：origin: apache/metron

@Override
public void configure(Map<String, Object> parserConfig) {
 String timeZone = (String) parserConfig.get("deviceTimeZone");
 if (timeZone != null)
  deviceClock = Clock.system(ZoneId.of(timeZone));
 else {
  deviceClock = Clock.systemUTC();
  LOG.warn("[Metron] No device time zone provided; defaulting to UTC");
 }
}

代码示例来源：origin: apache/metron

@Override
public void configure(Map<String, Object> parserConfig) {
 // we'll pull out the clock stuff ourselves
 String timeZone = (String) parserConfig.get("deviceTimeZone");
 if (timeZone != null)
  deviceClock = Clock.system(ZoneId.of(timeZone));
 else {
  deviceClock = Clock.systemUTC();
  LOG.warn("[Metron] No device time zone provided; defaulting to UTC");
 }
 syslogParser = buildSyslogParser(parserConfig);
}

代码示例来源：origin: org.apache.flume/flume-ng-core

public SyslogUtils(Integer defaultSize, Set<String> keepFields, boolean isUdp) {
 this(defaultSize, keepFields, isUdp, Clock.system(Clock.systemDefaultZone().getZone()));
}

代码示例来源：origin: com.thoughtworks.xstream/xstream

@Override
  public Object unmarshal(final HierarchicalStreamReader reader, final UnmarshallingContext context) {
    reader.moveDown();
    final ZoneId zone = (ZoneId)context.convertAnother(null, ZoneId.class);
    reader.moveUp();
    return Clock.system(zone);
  }
}

代码示例来源：origin: speedment/speedment

public static void report(final InfoComponent info,
             final ProjectComponent projects,
             final Event event) {
  requireNonNull(info);
  requireNonNull(projects);
  requireNonNull(event);
  if (TestSettings.isTestMode()) {
    return;
  }
  final Project project = projects.getProject();
  final Map<String, Object> ping = new HashMap<>();
  ping.put("userId", InternalEmailUtil.getUserId().toString());
  ping.put("appId", project.getAppId());
  ping.put("eventType", event.eventName);
  ping.put("productName", info.getTitle());
  ping.put("productVersion", info.getImplementationVersion());
  ping.put("databases", project.dbmses()
    .map(Dbms::getTypeName)
    .distinct()
    .collect(toList())
  );
  ping.put("emailAddress", InternalEmailUtil.getEmail());
  ping.put("computerName", HOST_NAME.getOrCompute(Statistics::getComputerName));
  ping.put("dateStarted", STARTED.getOrCompute(
    () -> Instant.now(Clock.system(ZoneId.of("UTC"))).getEpochSecond()
  ));
  sendPostRequest(PING_URL, Json.toJson(ping));
}

代码示例来源：origin: org.neo4j/neo4j-common

@Override
public Clock withZone( ZoneId zone )
{
  return Clock.system( zone ); // the users of this method do not need a NanoClock
}

代码示例来源：origin: com.github.seratch/java-time-backport

/**
 * Obtains the current date from the system clock in the specified time-zone.
 * <p>
 * This will query the {@link Clock#system(ZoneId) system clock} to obtain the current date.
 * Specifying the time-zone avoids dependence on the default time-zone.
 * <p>
 * Using this method will prevent the ability to use an alternate clock for testing
 * because the clock is hard-coded.
 *
 * @param zone  the zone ID to use, not null
 * @return the current date using the system clock, not null
 */
public static LocalDate now(ZoneId zone) {
  return now(Clock.system(zone));
}

代码示例来源：origin: apache/cxf

/**
 * Add a date header at the current time using the ZoneOffset. Date format is http
 */
public static void addDateHeader(Map<String, List<String>> messageHeaders, ZoneOffset zoneOffset) {
  String date = DateTimeFormatter.RFC_1123_DATE_TIME
      .format(LocalDateTime.now().atZone(Clock.system(zoneOffset).getZone()));
  messageHeaders.put("Date", Collections.singletonList(date));
}

代码示例来源：origin: org.hibernate.beanvalidation.tck/beanvalidation-tck-tests

@Override
  public Clock getClock() {
    return Clock.system( greeter.zoneId() );
  }
}

代码示例来源：origin: org.apache.cxf/cxf-rt-rs-security-http-signature

/**
 * Add a date header at the current time using the ZoneOffset. Date format is http
 */
public static void addDateHeader(Map<String, List<String>> messageHeaders, ZoneOffset zoneOffset) {
  String date = DateTimeFormatter.RFC_1123_DATE_TIME
      .format(LocalDateTime.now().atZone(Clock.system(zoneOffset).getZone()));
  messageHeaders.put("Date", Collections.singletonList(date));
}

代码示例来源：origin: com.jtransc/jtransc-rt

public static Clock tickMinutes(ZoneId zone) {
  return tick(system(zone), Duration.ofMinutes(1));
}

代码示例来源：origin: org.threeten/threeten-extra

/**
 * Obtains the current {@code InternationalFixedDate} from the system clock in the specified time-zone.
 * <p>
 * This will query the {@link Clock#system(ZoneId) system clock} to obtain the current date.
 * Specifying the time-zone avoids dependence on the default time-zone.
 * <p>
 * Using this method will prevent the ability to use an alternate clock for testing
 * because the clock is hard-coded.
 *
 * @param zone  the zone ID to use, not null
 * @return the current date using the system clock, not null
 */
public static InternationalFixedDate now(ZoneId zone) {
  return now(Clock.system(zone));
}

代码示例来源：origin: org.threeten/threeten-extra

/**
 * Obtains the current {@code EthiopicDate} from the system clock in the specified time-zone.
 * <p>
 * This will query the {@link Clock#system(ZoneId) system clock} to obtain the current date.
 * Specifying the time-zone avoids dependence on the default time-zone.
 * <p>
 * Using this method will prevent the ability to use an alternate clock for testing
 * because the clock is hard-coded.
 *
 * @param zone  the zone ID to use, not null
 * @return the current date using the system clock, not null
 */
public static EthiopicDate now(ZoneId zone) {
  return now(Clock.system(zone));
}

代码示例来源：origin: org.threeten/threeten-extra

/**
 * Obtains the current {@code DiscordianDate} from the system clock in the specified time-zone.
 * <p>
 * This will query the {@link Clock#system(ZoneId) system clock} to obtain the current date.
 * Specifying the time-zone avoids dependence on the default time-zone.
 * <p>
 * Using this method will prevent the ability to use an alternate clock for testing
 * because the clock is hard-coded.
 *
 * @param zone  the zone ID to use, not null
 * @return the current date using the system clock, not null
 */
public static DiscordianDate now(ZoneId zone) {
  return now(Clock.system(zone));
}

代码示例来源：origin: org.threeten/threeten-extra

/**
 * Obtains the current {@code CopticDate} from the system clock in the specified time-zone.
 * <p>
 * This will query the {@link Clock#system(ZoneId) system clock} to obtain the current date.
 * Specifying the time-zone avoids dependence on the default time-zone.
 * <p>
 * Using this method will prevent the ability to use an alternate clock for testing
 * because the clock is hard-coded.
 *
 * @param zone  the zone ID to use, not null
 * @return the current date using the system clock, not null
 */
public static CopticDate now(ZoneId zone) {
  return now(Clock.system(zone));
}

代码示例来源：origin: x-stream/xstream

@Override
  public Object unmarshal(final HierarchicalStreamReader reader, final UnmarshallingContext context) {
    reader.moveDown();
    final ZoneId zone = (ZoneId)context.convertAnother(null, ZoneId.class);
    reader.moveUp();
    return Clock.system(zone);
  }
}

代码示例来源：origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.xstream-java8

@Override
  public Object unmarshal(final HierarchicalStreamReader reader, final UnmarshallingContext context) {
    reader.moveDown();
    final ZoneId zone = (ZoneId)context.convertAnother(null, ZoneId.class);
    reader.moveUp();
    return Clock.system(zone);
  }
}

代码示例来源：origin: apache/servicemix-bundles

@Override
  public Object unmarshal(final HierarchicalStreamReader reader, final UnmarshallingContext context) {
    reader.moveDown();
    final ZoneId zone = (ZoneId)context.convertAnother(null, ZoneId.class);
    reader.moveUp();
    return Clock.system(zone);
  }
}

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