本文整理汇总了Java中java.sql.Timestamp.toInstant方法的典型用法代码示例。如果您正苦于以下问题：Java Timestamp.toInstant方法的具体用法？Java Timestamp.toInstant怎么用？Java Timestamp.toInstant使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.sql.Timestamp的用法示例。
在下文中一共展示了Timestamp.toInstant方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: convertToEntityAttribute
import java.sql.Timestamp; //导入方法依赖的package包/类
@Override
public Instant convertToEntityAttribute(final Timestamp timestamp) {
if (timestamp == null) {
return null;
}
return timestamp.toInstant();
}
示例2: test45
import java.sql.Timestamp; //导入方法依赖的package包/类
@Test
public void test45() throws Exception {
Timestamp ts1 = Timestamp.valueOf("1961-08-30 00:00:00");
Instant instant = ts1.toInstant();
Timestamp ts2 = Timestamp.from(instant);
assertTrue(ts1.equals(ts2), "Error ts1 != ts2");
}
示例3: main
import java.sql.Timestamp; //导入方法依赖的package包/类
public static void main(String[] args) throws Throwable {
int N = 10000;
long t1970 = new java.util.Date(70, 0, 01).getTime();
Random r = new Random();
for (int i = 0; i < N; i++) {
int days = r.nextInt(50) * 365 + r.nextInt(365);
long secs = t1970 + days * 86400 + r.nextInt(86400);
int nanos = r.nextInt(NANOS_PER_SECOND);
int nanos_ms = nanos / 1000000 * 1000000; // millis precision
long millis = secs * 1000 + r.nextInt(1000);
LocalDateTime ldt = LocalDateTime.ofEpochSecond(secs, nanos, ZoneOffset.UTC);
LocalDateTime ldt_ms = LocalDateTime.ofEpochSecond(secs, nanos_ms, ZoneOffset.UTC);
Instant inst = Instant.ofEpochSecond(secs, nanos);
Instant inst_ms = Instant.ofEpochSecond(secs, nanos_ms);
//System.out.printf("ms: %16d ns: %10d ldt:[%s]%n", millis, nanos, ldt);
/////////// Timestamp ////////////////////////////////
Timestamp ta = new Timestamp(millis);
ta.setNanos(nanos);
if (!isEqual(ta.toLocalDateTime(), ta)) {
System.out.printf("ms: %16d ns: %10d ldt:[%s]%n", millis, nanos, ldt);
print(ta.toLocalDateTime(), ta);
throw new RuntimeException("FAILED: j.s.ts -> ldt");
}
if (!isEqual(ldt, Timestamp.valueOf(ldt))) {
System.out.printf("ms: %16d ns: %10d ldt:[%s]%n", millis, nanos, ldt);
print(ldt, Timestamp.valueOf(ldt));
throw new RuntimeException("FAILED: ldt -> j.s.ts");
}
Instant inst0 = ta.toInstant();
if (ta.getTime() != inst0.toEpochMilli() ||
ta.getNanos() != inst0.getNano() ||
!ta.equals(Timestamp.from(inst0))) {
System.out.printf("ms: %16d ns: %10d ldt:[%s]%n", millis, nanos, ldt);
throw new RuntimeException("FAILED: j.s.ts -> instant -> j.s.ts");
}
inst = Instant.ofEpochSecond(secs, nanos);
Timestamp ta0 = Timestamp.from(inst);
if (ta0.getTime() != inst.toEpochMilli() ||
ta0.getNanos() != inst.getNano() ||
!inst.equals(ta0.toInstant())) {
System.out.printf("ms: %16d ns: %10d ldt:[%s]%n", millis, nanos, ldt);
throw new RuntimeException("FAILED: instant -> timestamp -> instant");
}
////////// java.sql.Date /////////////////////////////
// j.s.d/t uses j.u.d.equals() !!!!!!!!
java.sql.Date jsd = new java.sql.Date(millis);
if (!isEqual(jsd.toLocalDate(), jsd)) {
System.out.printf("ms: %16d ns: %10d ldt:[%s]%n", millis, nanos, ldt);
print(jsd.toLocalDate(), jsd);
throw new RuntimeException("FAILED: j.s.d -> ld");
}
LocalDate ld = ldt.toLocalDate();
if (!isEqual(ld, java.sql.Date.valueOf(ld))) {
System.out.printf("ms: %16d ns: %10d ldt:[%s]%n", millis, nanos, ldt);
print(ld, java.sql.Date.valueOf(ld));
throw new RuntimeException("FAILED: ld -> j.s.d");
}
////////// java.sql.Time /////////////////////////////
java.sql.Time jst = new java.sql.Time(millis);
if (!isEqual(jst.toLocalTime(), jst)) {
System.out.printf("ms: %16d ns: %10d ldt:[%s]%n", millis, nanos, ldt);
print(jst.toLocalTime(), jst);
throw new RuntimeException("FAILED: j.s.t -> lt");
}
// millis precision
LocalTime lt = ldt_ms.toLocalTime();
if (!isEqual(lt, java.sql.Time.valueOf(lt))) {
System.out.printf("ms: %16d ns: %10d ldt:[%s]%n", millis, nanos, ldt);
print(lt, java.sql.Time.valueOf(lt));
throw new RuntimeException("FAILED: lt -> j.s.t");
}
}
System.out.println("Passed!");
}