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Java Timestamp.equals方法代码示例

本文整理汇总了Java中java.sql.Timestamp.equals方法的典型用法代码示例。如果您正苦于以下问题:Java Timestamp.equals方法的具体用法?Java Timestamp.equals怎么用?Java Timestamp.equals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java.sql.Timestamp的用法示例。


在下文中一共展示了Timestamp.equals方法的2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: 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!");
}
 
开发者ID:lambdalab-mirror,项目名称:jdk8u-jdk,代码行数:78,代码来源:JavatimeTest.java

示例2: compareTimestamps

import java.sql.Timestamp; //导入方法依赖的package包/类
/**
 * Compares two Timestamps with the expected result.
 *
 * @param ts1 the first Timestamp
 * @param ts2 the second Timestamp
 * @param expect the expected relation between ts1 and ts2; 0 if
 * ts1 equals to ts2, or 1 if ts1 is after ts2, or -1 if ts1 is
 * before ts2.
 */
private void compareTimestamps(Timestamp ts1, Timestamp ts2, int expected) {
    boolean expectedResult = expected > 0;
    boolean result = ts1.after(ts2);
    if (result != expectedResult) {
        errln("ts1.after(ts2) returned " + result
              + ". (ts1=" + ts1 + ", ts2=" + ts2 + ")");
    }

    expectedResult = expected < 0;
    result = ts1.before(ts2);
    if (result != expectedResult) {
        errln("ts1.before(ts2) returned " + result
              + ". (ts1=" + ts1 + ", ts2=" + ts2 + ")");
    }

    expectedResult = expected == 0;
    result = ts1.equals(ts2);
    if (result != expectedResult) {
        errln("ts1.equals(ts2) returned " + result
              + ". (ts1=" + ts1 + ", ts2=" + ts2 + ")");
    }

    int x = ts1.compareTo(ts2);
    int y = (x > 0) ? 1 : (x < 0) ? -1 : 0;
    if (y != expected) {
        errln("ts1.compareTo(ts2) returned " + x + ", expected "
              + relation(expected, "") + "0"
              + ". (ts1=" + ts1 + ", ts2=" + ts2 + ")");
    }
    long t1 = ts1.getTime();
    long t2 = ts2.getTime();
    int z = (t1 > t2) ? 1 : (t1 < t2) ? -1 : 0;
    if (z == 0) {
        int n1 = ts1.getNanos();
        int n2 = ts2.getNanos();
        z = (n1 > n2) ? 1 : (n1 < n2) ? -1 : 0;
    }
    if (z != expected) {
        errln("ts1.getTime() " + relation(z, "==") + " ts2.getTime(), expected "
              + relation(expected, "==")
              + ". (ts1=" + ts1 + ", ts2=" + ts2 + ")");
    }
}
 
开发者ID:AdoptOpenJDK,项目名称:openjdk-jdk10,代码行数:53,代码来源:TimestampTest.java


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