com.google.cloud.Timestamp类的使用及代码示例

x33g5p2x  于2022-01-30 转载在 其他  
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本文整理了Java中com.google.cloud.Timestamp类的一些代码示例，展示了Timestamp类的具体用法。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。Timestamp类的具体详情如下：
包路径：com.google.cloud.Timestamp
类名称：Timestamp

Timestamp介绍

[英]Represents a timestamp with nanosecond precision. Timestamps cover the range [0001-01-01, 9999-12-31].

Timestamp instances are immutable.
[中]表示纳秒精度的时间戳。时间戳覆盖范围为[0001-01-019999-12-31]。
时间戳实例是不可变的。

代码示例

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void toFromSqlTimestamp() {
 long seconds = TEST_TIME_SECONDS;
 int nanos = 500000000;
 java.sql.Timestamp sqlTs = new java.sql.Timestamp(seconds * 1000);
 sqlTs.setNanos(nanos);
 Timestamp ts = Timestamp.of(sqlTs);
 assertThat(ts.getSeconds()).isEqualTo(seconds);
 assertThat(ts.getNanos()).isEqualTo(nanos);
 assertThat(ts.toSqlTimestamp()).isEqualTo(sqlTs);
}

代码示例来源：origin: googleapis/google-cloud-java

/**
 * Returns the current count of all documents, including the changes from the current changeMap.
 */
private int currentSize() {
 ChangeSet changeSet = extractChanges(Timestamp.now());
 return documentSet.size() + changeSet.adds.size() - changeSet.deletes.size();
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void ofMicroseconds() {
 Timestamp timestamp = Timestamp.ofTimeMicroseconds(TEST_TIME_MICROSECONDS);
 assertThat(timestamp.getSeconds()).isEqualTo(TEST_TIME_MICROSECONDS / 1000000L);
 assertThat(timestamp.getNanos()).isEqualTo(TEST_TIME_MICROSECONDS % 1000000L * 1000);
}

代码示例来源：origin: googleapis/google-cloud-java

static Map<String, AttributeValue> getTransactionAnnotations(Transaction t) {
 return ImmutableMap.of(
   "Id",
   AttributeValue.stringAttributeValue(t.getId().toStringUtf8()),
   "Timestamp",
   AttributeValue.stringAttributeValue(Timestamp.fromProto(t.getReadTimestamp()).toString()));
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void testToString() {
 assertThat(Timestamp.MIN_VALUE.toString()).isEqualTo("0001-01-01T00:00:00Z");
 assertThat(Timestamp.MAX_VALUE.toString()).isEqualTo("9999-12-31T23:59:59.999999999Z");
 assertThat(Timestamp.ofTimeSecondsAndNanos(0, 0).toString()).isEqualTo("1970-01-01T00:00:00Z");
 assertThat(Timestamp.ofTimeSecondsAndNanos(0, 100).toString())
   .isEqualTo("1970-01-01T00:00:00.000000100Z");
 assertThat(Timestamp.ofTimeSecondsAndNanos(TEST_TIME_SECONDS, 0).toString())
   .isEqualTo(TEST_TIME_ISO);
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void timestampArray() {
 String t1 = "2015-09-15T00:00:00Z";
 String t2 = "2015-09-14T00:00:00Z";
 Value v =
   Value.timestampArray(
     Arrays.asList(Timestamp.parseTimestamp(t1), null, Timestamp.parseTimestamp(t2)));
 assertThat(v.isNull()).isFalse();
 assertThat(v.getTimestampArray())
   .containsExactly(Timestamp.parseTimestamp(t1), null, Timestamp.parseTimestamp(t2))
   .inOrder();
 assertThat(v.toString()).isEqualTo("[" + t1 + ",NULL," + t2 + "]");
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void maxValue() {
 TimeZone tz = TimeZone.getTimeZone("UTC");
 GregorianCalendar calendar = new GregorianCalendar(tz);
 calendar.set(9999, Calendar.DECEMBER, 31, 23, 59, 59);
 java.sql.Timestamp expectedMin = new java.sql.Timestamp(calendar.getTimeInMillis());
 expectedMin.setNanos(999999999);
 assertThat(Timestamp.MAX_VALUE.getSeconds()).isEqualTo(calendar.getTimeInMillis() / 1000L);
 assertThat(Timestamp.MAX_VALUE.getNanos()).isEqualTo(999999999);
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void testFlushLevelConfigUpdatesLoggingFlushSeverity() {
 LogEntry logEntry =
   LogEntry.newBuilder(StringPayload.of("this is a test"))
     .setTimestamp(100000L)
     .setSeverity(Severity.WARNING)
     .setLabels(
       new ImmutableMap.Builder<String, String>()
         .put("levelName", "WARN")
         .put("levelValue", String.valueOf(30000L))
         .build())
     .build();
 logging.setFlushSeverity(Severity.WARNING);
 Capture<Iterable<LogEntry>> capturedArgument = Capture.newInstance();
 logging.write(capture(capturedArgument), (WriteOption) anyObject(), (WriteOption) anyObject());
 replay(logging);
 Timestamp timestamp = Timestamp.ofTimeSecondsAndNanos(100000, 0);
 LoggingEvent loggingEvent = createLoggingEvent(Level.WARN, timestamp.getSeconds());
 // error is the default, updating to warn for test
 loggingAppender.setFlushLevel(Level.WARN);
 loggingAppender.start();
 loggingAppender.doAppend(loggingEvent);
 verify(logging);
 assertThat(capturedArgument.getValue().iterator().hasNext()).isTrue();
 assertThat(capturedArgument.getValue().iterator().next()).isEqualTo(logEntry);
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void commitSucceeds() {
 when(session.newTransaction()).thenReturn(txn);
 Timestamp commitTimestamp = Timestamp.ofTimeMicroseconds(1);
 when(txn.commitTimestamp()).thenReturn(commitTimestamp);
 manager.begin();
 manager.commit();
 assertThat(manager.getState()).isEqualTo(TransactionState.COMMITTED);
 assertThat(manager.getCommitTimestamp()).isEqualTo(commitTimestamp);
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void minReadTimestamp() {
 Timestamp ts = Timestamp.ofTimeSecondsAndNanos(TEST_TIME_SECONDS, 0);
 TimestampBound bound = TimestampBound.ofMinReadTimestamp(ts);
 assertThat(bound.getMode()).isEqualTo(Mode.MIN_READ_TIMESTAMP);
 assertThat(bound.getMinReadTimestamp()).isEqualTo(ts);
 assertThat(bound.toString()).isEqualTo("min_read_timestamp: " + TEST_TIME_ISO);
 assertProto(bound, "min_read_timestamp { seconds: " + TEST_TIME_SECONDS + " }");
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void parseTimestamp() {
 assertThat(Timestamp.parseTimestamp("0001-01-01T00:00:00Z")).isEqualTo(Timestamp.MIN_VALUE);
 assertThat(Timestamp.parseTimestamp("9999-12-31T23:59:59.999999999Z"))
   .isEqualTo(Timestamp.MAX_VALUE);
 assertThat(Timestamp.parseTimestamp(TEST_TIME_ISO))
   .isEqualTo(Timestamp.ofTimeSecondsAndNanos(TEST_TIME_SECONDS, 0));
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void toDate() {
 Timestamp timestamp = Timestamp.ofTimeSecondsAndNanos(TEST_TIME_SECONDS, 1234 * 1000);
 Date date = timestamp.toDate();
 assertThat(TEST_TIME_MILLISECONDS).isEqualTo(date.getTime());
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void fromProto() {
 com.google.protobuf.Timestamp proto =
   com.google.protobuf.Timestamp.newBuilder().setSeconds(1234).setNanos(567).build();
 Timestamp timestamp = Timestamp.fromProto(proto);
 assertThat(timestamp.getSeconds()).isEqualTo(1234);
 assertThat(timestamp.getNanos()).isEqualTo(567);
}

代码示例来源：origin: googleapis/google-cloud-java

tester.addEqualityGroup(
  Value.timestamp(Value.COMMIT_TIMESTAMP), Value.timestamp(Value.COMMIT_TIMESTAMP));
Timestamp now = Timestamp.now();
tester.addEqualityGroup(Value.timestamp(now), Value.timestamp(now));
tester.addEqualityGroup(Value.timestamp(Timestamp.ofTimeMicroseconds(0)));
assertThat(Value.struct(structValue1).equals(Value.struct(structValue2))).isTrue();
tester.addEqualityGroup(Value.struct(structValue1), Value.struct(structValue2));

代码示例来源：origin: GoogleCloudPlatform/java-docs-samples

@Override
 public MutationGroup apply(String userId) {
  // Immediately block the user.
  Mutation userMutation = Mutation.newUpdateBuilder("Users")
    .set("id").to(userId)
    .set("state").to("BLOCKED")
    .build();
  long generatedId = Hashing.sha1().newHasher()
    .putString(userId, Charsets.UTF_8)
    .putLong(timestamp.getSeconds())
    .putLong(timestamp.getNanos())
    .hash()
    .asLong();
  // Add an entry to pending review requests.
  Mutation pendingReview = Mutation.newInsertOrUpdateBuilder("PendingReviews")
    .set("id").to(generatedId)  // Must be deterministically generated.
    .set("userId").to(userId)
    .set("action").to("REVIEW ACCOUNT")
    .set("note").to("Suspicious activity detected.")
    .build();
  return MutationGroup.create(userMutation, pendingReview);
 }
}));

代码示例来源：origin: googleapis/google-cloud-java

/** Creates an instance with current time. */
public static Timestamp now() {
 java.sql.Timestamp date = new java.sql.Timestamp(System.currentTimeMillis());
 return of(date);
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void boundsSqlTimestampMin() {
 expectedException.expect(IllegalArgumentException.class);
 Timestamp.of(new java.sql.Timestamp((Timestamp.MIN_VALUE.getSeconds() - 1) * 1000));
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void boundsSecondsMax() {
 expectedException.expect(IllegalArgumentException.class);
 Timestamp.ofTimeSecondsAndNanos(Timestamp.MAX_VALUE.getSeconds() + 1, 0);
}

代码示例来源：origin: googleapis/google-cloud-java

/**
 * Creates an instance representing the value of {@code Date}.
 *
 * @throws IllegalArgumentException if the timestamp is outside the representable range
 */
public static Timestamp of(Date date) {
 return ofTimeMicroseconds(TimeUnit.MILLISECONDS.toMicros(date.getTime()));
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void equalsAndHashCode() {
 EqualsTester tester = new EqualsTester();
 tester.addEqualityGroup(
   Timestamp.ofTimeSecondsAndNanos(TEST_TIME_SECONDS, 0),
   Timestamp.ofTimeSecondsAndNanos(TEST_TIME_SECONDS, 0),
   Timestamp.of(new java.sql.Timestamp(TEST_TIME_SECONDS * 1000)));
 tester.addEqualityGroup(Timestamp.ofTimeSecondsAndNanos(TEST_TIME_SECONDS + 1, 0));
 tester.addEqualityGroup(Timestamp.ofTimeSecondsAndNanos(TEST_TIME_SECONDS, 1));
 tester.testEquals();
}

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