Java Code Examples for java.util.stream.StreamSupport#longStream()

The following examples show how to use java.util.stream.StreamSupport#longStream() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: jdk1.8-source-analysis   File: Random.java    License: Apache License 2.0 3 votes vote down vote up
/**
 * Returns a stream producing the given {@code streamSize} number of
 * pseudorandom {@code long} values.
 *
 * <p>A pseudorandom {@code long} value is generated as if it's the result
 * of calling the method {@link #nextLong()}.
 *
 * @param streamSize the number of values to generate
 * @return a stream of pseudorandom {@code long} values
 * @throws IllegalArgumentException if {@code streamSize} is
 *         less than zero
 * @since 1.8
 */
public LongStream longs(long streamSize) {
    if (streamSize < 0L)
        throw new IllegalArgumentException(BadSize);
    return StreamSupport.longStream
            (new RandomLongsSpliterator
                     (this, 0L, streamSize, Long.MAX_VALUE, 0L),
             false);
}
 
Example 2
Source Project: jdk1.8-source-analysis   File: Random.java    License: Apache License 2.0 3 votes vote down vote up
/**
 * Returns an effectively unlimited stream of pseudorandom {@code long}
 * values.
 *
 * <p>A pseudorandom {@code long} value is generated as if it's the result
 * of calling the method {@link #nextLong()}.
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE)}.
 *
 * @return a stream of pseudorandom {@code long} values
 * @since 1.8
 */
public LongStream longs() {
    return StreamSupport.longStream
            (new RandomLongsSpliterator
                     (this, 0L, Long.MAX_VALUE, Long.MAX_VALUE, 0L),
             false);
}
 
Example 3
/**
 * Returns an effectively unlimited stream of pseudorandom {@code
 * long} values from this generator and/or one split from it.
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE)}.
 *
 * @return a stream of pseudorandom {@code long} values
 */
public LongStream longs() {
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (this, 0L, Long.MAX_VALUE, Long.MAX_VALUE, 0L),
         false);
}
 
Example 4
Source Project: jdk1.8-source-analysis   File: Random.java    License: Apache License 2.0 3 votes vote down vote up
/**
 * Returns an effectively unlimited stream of pseudorandom {@code
 * long} values, each conforming to the given origin (inclusive) and bound
 * (exclusive).
 *
 * <p>A pseudorandom {@code long} value is generated as if it's the result
 * of calling the following method with the origin and bound:
 * <pre> {@code
 * long nextLong(long origin, long bound) {
 *   long r = nextLong();
 *   long n = bound - origin, m = n - 1;
 *   if ((n & m) == 0L)  // power of two
 *     r = (r & m) + origin;
 *   else if (n > 0L) {  // reject over-represented candidates
 *     for (long u = r >>> 1;            // ensure nonnegative
 *          u + m - (r = u % n) < 0L;    // rejection check
 *          u = nextLong() >>> 1) // retry
 *         ;
 *     r += origin;
 *   }
 *   else {              // range not representable as long
 *     while (r < origin || r >= bound)
 *       r = nextLong();
 *   }
 *   return r;
 * }}</pre>
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE, randomNumberOrigin, randomNumberBound)}.
 *
 * @param randomNumberOrigin the origin (inclusive) of each random value
 * @param randomNumberBound the bound (exclusive) of each random value
 * @return a stream of pseudorandom {@code long} values,
 *         each with the given origin (inclusive) and bound (exclusive)
 * @throws IllegalArgumentException if {@code randomNumberOrigin}
 *         is greater than or equal to {@code randomNumberBound}
 * @since 1.8
 */
public LongStream longs(long randomNumberOrigin, long randomNumberBound) {
    if (randomNumberOrigin >= randomNumberBound)
        throw new IllegalArgumentException(BadRange);
    return StreamSupport.longStream
            (new RandomLongsSpliterator
                     (this, 0L, Long.MAX_VALUE, randomNumberOrigin, randomNumberBound),
             false);
}
 
Example 5
/**
 * Returns an effectively unlimited stream of pseudorandom {@code
 * long} values from this generator and/or one split from it; each value
 * conforms to the given origin (inclusive) and bound (exclusive).
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE, randomNumberOrigin, randomNumberBound)}.
 *
 * @param randomNumberOrigin the origin (inclusive) of each random value
 * @param randomNumberBound the bound (exclusive) of each random value
 * @return a stream of pseudorandom {@code long} values,
 *         each with the given origin (inclusive) and bound (exclusive)
 * @throws IllegalArgumentException if {@code randomNumberOrigin}
 *         is greater than or equal to {@code randomNumberBound}
 */
public LongStream longs(long randomNumberOrigin, long randomNumberBound) {
    if (randomNumberOrigin >= randomNumberBound)
        throw new IllegalArgumentException(BadRange);
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (this, 0L, Long.MAX_VALUE, randomNumberOrigin, randomNumberBound),
         false);
}
 
Example 6
/**
 * Returns an effectively unlimited stream of pseudorandom {@code long}
 * values.
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE)}.
 *
 * @return a stream of pseudorandom {@code long} values
 * @since 1.8
 */
public LongStream longs() {
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (0L, Long.MAX_VALUE, Long.MAX_VALUE, 0L),
         false);
}
 
Example 7
/**
 * Returns an effectively unlimited stream of pseudorandom {@code long}
 * values.
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE)}.
 *
 * @return a stream of pseudorandom {@code long} values
 * @since 1.8
 */
public LongStream longs() {
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (0L, Long.MAX_VALUE, Long.MAX_VALUE, 0L),
         false);
}
 
Example 8
/**
 * Returns an effectively unlimited stream of pseudorandom {@code
 * long} values, each conforming to the given origin (inclusive) and bound
 * (exclusive).
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE, randomNumberOrigin, randomNumberBound)}.
 *
 * @param randomNumberOrigin the origin (inclusive) of each random value
 * @param randomNumberBound the bound (exclusive) of each random value
 * @return a stream of pseudorandom {@code long} values,
 *         each with the given origin (inclusive) and bound (exclusive)
 * @throws IllegalArgumentException if {@code randomNumberOrigin}
 *         is greater than or equal to {@code randomNumberBound}
 * @since 1.8
 */
public LongStream longs(long randomNumberOrigin, long randomNumberBound) {
    if (randomNumberOrigin >= randomNumberBound)
        throw new IllegalArgumentException(BadRange);
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (0L, Long.MAX_VALUE, randomNumberOrigin, randomNumberBound),
         false);
}
 
Example 9
/**
 * Returns a stream producing the given {@code streamSize} number
 * of pseudorandom {@code long} values from this generator and/or
 * one split from it.
 *
 * @param streamSize the number of values to generate
 * @return a stream of pseudorandom {@code long} values
 * @throws IllegalArgumentException if {@code streamSize} is
 *         less than zero
 */
public LongStream longs(long streamSize) {
    if (streamSize < 0L)
        throw new IllegalArgumentException(BadSize);
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (this, 0L, streamSize, Long.MAX_VALUE, 0L),
         false);
}
 
Example 10
/**
 * Returns an effectively unlimited stream of pseudorandom {@code long}
 * values.
 *
 * <p>A pseudorandom {@code long} value is generated as if it's the result
 * of calling the method {@link #nextLong()}.
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE)}.
 *
 * @return a stream of pseudorandom {@code long} values
 * @since 1.8
 */
public LongStream longs() {
    return StreamSupport.longStream
            (new RandomLongsSpliterator
                     (this, 0L, Long.MAX_VALUE, Long.MAX_VALUE, 0L),
             false);
}
 
Example 11
/**
 * Returns a stream producing the given {@code streamSize} number of
 * pseudorandom {@code long} values from this generator and/or one split
 * from it; each value conforms to the given origin (inclusive) and bound
 * (exclusive).
 *
 * @param streamSize the number of values to generate
 * @param randomNumberOrigin the origin (inclusive) of each random value
 * @param randomNumberBound the bound (exclusive) of each random value
 * @return a stream of pseudorandom {@code long} values,
 *         each with the given origin (inclusive) and bound (exclusive)
 * @throws IllegalArgumentException if {@code streamSize} is
 *         less than zero, or {@code randomNumberOrigin}
 *         is greater than or equal to {@code randomNumberBound}
 */
public LongStream longs(long streamSize, long randomNumberOrigin,
                        long randomNumberBound) {
    if (streamSize < 0L)
        throw new IllegalArgumentException(BadSize);
    if (randomNumberOrigin >= randomNumberBound)
        throw new IllegalArgumentException(BadRange);
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (this, 0L, streamSize, randomNumberOrigin, randomNumberBound),
         false);
}
 
Example 12
/**
 * Returns an effectively unlimited stream of pseudorandom {@code
 * long} values from this generator and/or one split from it; each value
 * conforms to the given origin (inclusive) and bound (exclusive).
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE, randomNumberOrigin, randomNumberBound)}.
 *
 * @param randomNumberOrigin the origin (inclusive) of each random value
 * @param randomNumberBound the bound (exclusive) of each random value
 * @return a stream of pseudorandom {@code long} values,
 *         each with the given origin (inclusive) and bound (exclusive)
 * @throws IllegalArgumentException if {@code randomNumberOrigin}
 *         is greater than or equal to {@code randomNumberBound}
 */
public LongStream longs(long randomNumberOrigin, long randomNumberBound) {
    if (randomNumberOrigin >= randomNumberBound)
        throw new IllegalArgumentException(BadRange);
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (this, 0L, Long.MAX_VALUE, randomNumberOrigin, randomNumberBound),
         false);
}
 
Example 13
/**
 * Returns a stream producing the given {@code streamSize} number of
 * pseudorandom {@code long} values.
 *
 * <p>A pseudorandom {@code long} value is generated as if it's the result
 * of calling the method {@link #nextLong()}.
 *
 * @param streamSize the number of values to generate
 * @return a stream of pseudorandom {@code long} values
 * @throws IllegalArgumentException if {@code streamSize} is
 *         less than zero
 * @since 1.8
 */
public LongStream longs(long streamSize) {
    if (streamSize < 0L)
        throw new IllegalArgumentException(BadSize);
    return StreamSupport.longStream
            (new RandomLongsSpliterator
                     (this, 0L, streamSize, Long.MAX_VALUE, 0L),
             false);
}
 
Example 14
/**
 * Returns an effectively unlimited stream of pseudorandom {@code
 * long} values from this generator and/or one split from it; each value
 * conforms to the given origin (inclusive) and bound (exclusive).
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE, randomNumberOrigin, randomNumberBound)}.
 *
 * @param randomNumberOrigin the origin (inclusive) of each random value
 * @param randomNumberBound the bound (exclusive) of each random value
 * @return a stream of pseudorandom {@code long} values,
 *         each with the given origin (inclusive) and bound (exclusive)
 * @throws IllegalArgumentException if {@code randomNumberOrigin}
 *         is greater than or equal to {@code randomNumberBound}
 */
public LongStream longs(long randomNumberOrigin, long randomNumberBound) {
    if (randomNumberOrigin >= randomNumberBound)
        throw new IllegalArgumentException(BadRange);
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (this, 0L, Long.MAX_VALUE, randomNumberOrigin, randomNumberBound),
         false);
}
 
Example 15
/**
 * Returns a stream producing the given {@code streamSize} number of
 * pseudorandom {@code long}, each conforming to the given origin
 * (inclusive) and bound (exclusive).
 *
 * <p>A pseudorandom {@code long} value is generated as if it's the result
 * of calling the following method with the origin and bound:
 * <pre> {@code
 * long nextLong(long origin, long bound) {
 *   long r = nextLong();
 *   long n = bound - origin, m = n - 1;
 *   if ((n & m) == 0L)  // power of two
 *     r = (r & m) + origin;
 *   else if (n > 0L) {  // reject over-represented candidates
 *     for (long u = r >>> 1;            // ensure nonnegative
 *          u + m - (r = u % n) < 0L;    // rejection check
 *          u = nextLong() >>> 1) // retry
 *         ;
 *     r += origin;
 *   }
 *   else {              // range not representable as long
 *     while (r < origin || r >= bound)
 *       r = nextLong();
 *   }
 *   return r;
 * }}</pre>
 *
 * @param streamSize the number of values to generate
 * @param randomNumberOrigin the origin (inclusive) of each random value
 * @param randomNumberBound the bound (exclusive) of each random value
 * @return a stream of pseudorandom {@code long} values,
 *         each with the given origin (inclusive) and bound (exclusive)
 * @throws IllegalArgumentException if {@code streamSize} is
 *         less than zero, or {@code randomNumberOrigin}
 *         is greater than or equal to {@code randomNumberBound}
 * @since 1.8
 */
public LongStream longs(long streamSize, long randomNumberOrigin,
                        long randomNumberBound) {
    if (streamSize < 0L)
        throw new IllegalArgumentException(BadSize);
    if (randomNumberOrigin >= randomNumberBound)
        throw new IllegalArgumentException(BadRange);
    return StreamSupport.longStream
            (new RandomLongsSpliterator
                     (this, 0L, streamSize, randomNumberOrigin, randomNumberBound),
             false);
}
 
Example 16
/**
 * Returns an effectively unlimited stream of pseudorandom {@code
 * long} values, each conforming to the given origin (inclusive) and bound
 * (exclusive).
 *
 * <p>A pseudorandom {@code long} value is generated as if it's the result
 * of calling the following method with the origin and bound:
 * <pre> {@code
 * long nextLong(long origin, long bound) {
 *   long r = nextLong();
 *   long n = bound - origin, m = n - 1;
 *   if ((n & m) == 0L)  // power of two
 *     r = (r & m) + origin;
 *   else if (n > 0L) {  // reject over-represented candidates
 *     for (long u = r >>> 1;            // ensure nonnegative
 *          u + m - (r = u % n) < 0L;    // rejection check
 *          u = nextLong() >>> 1) // retry
 *         ;
 *     r += origin;
 *   }
 *   else {              // range not representable as long
 *     while (r < origin || r >= bound)
 *       r = nextLong();
 *   }
 *   return r;
 * }}</pre>
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE, randomNumberOrigin, randomNumberBound)}.
 *
 * @param randomNumberOrigin the origin (inclusive) of each random value
 * @param randomNumberBound the bound (exclusive) of each random value
 * @return a stream of pseudorandom {@code long} values,
 *         each with the given origin (inclusive) and bound (exclusive)
 * @throws IllegalArgumentException if {@code randomNumberOrigin}
 *         is greater than or equal to {@code randomNumberBound}
 * @since 1.8
 */
public LongStream longs(long randomNumberOrigin, long randomNumberBound) {
    if (randomNumberOrigin >= randomNumberBound)
        throw new IllegalArgumentException(BadRange);
    return StreamSupport.longStream
            (new RandomLongsSpliterator
                     (this, 0L, Long.MAX_VALUE, randomNumberOrigin, randomNumberBound),
             false);
}
 
Example 17
/**
 * Returns a stream producing the given {@code streamSize} number of
 * pseudorandom {@code long} values.
 *
 * @param streamSize the number of values to generate
 * @return a stream of pseudorandom {@code long} values
 * @throws IllegalArgumentException if {@code streamSize} is
 *         less than zero
 * @since 1.8
 */
public LongStream longs(long streamSize) {
    if (streamSize < 0L)
        throw new IllegalArgumentException(BadSize);
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (0L, streamSize, Long.MAX_VALUE, 0L),
         false);
}
 
Example 18
/**
 * Returns an effectively unlimited stream of pseudorandom {@code long}
 * values.
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE)}.
 *
 * @return a stream of pseudorandom {@code long} values
 * @since 1.8
 */
public LongStream longs() {
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (0L, Long.MAX_VALUE, Long.MAX_VALUE, 0L),
         false);
}
 
Example 19
/**
 * Returns a stream producing the given {@code streamSize} number of
 * pseudorandom {@code long}, each conforming to the given origin
 * (inclusive) and bound (exclusive).
 *
 * @param streamSize the number of values to generate
 * @param randomNumberOrigin the origin (inclusive) of each random value
 * @param randomNumberBound the bound (exclusive) of each random value
 * @return a stream of pseudorandom {@code long} values,
 *         each with the given origin (inclusive) and bound (exclusive)
 * @throws IllegalArgumentException if {@code streamSize} is
 *         less than zero, or {@code randomNumberOrigin}
 *         is greater than or equal to {@code randomNumberBound}
 * @since 1.8
 */
public LongStream longs(long streamSize, long randomNumberOrigin,
                        long randomNumberBound) {
    if (streamSize < 0L)
        throw new IllegalArgumentException(BadSize);
    if (randomNumberOrigin >= randomNumberBound)
        throw new IllegalArgumentException(BadRange);
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (0L, streamSize, randomNumberOrigin, randomNumberBound),
         false);
}
 
Example 20
/**
 * Returns an effectively unlimited stream of pseudorandom {@code
 * long} values, each conforming to the given origin (inclusive) and bound
 * (exclusive).
 *
 * @implNote This method is implemented to be equivalent to {@code
 * longs(Long.MAX_VALUE, randomNumberOrigin, randomNumberBound)}.
 *
 * @param randomNumberOrigin the origin (inclusive) of each random value
 * @param randomNumberBound the bound (exclusive) of each random value
 * @return a stream of pseudorandom {@code long} values,
 *         each with the given origin (inclusive) and bound (exclusive)
 * @throws IllegalArgumentException if {@code randomNumberOrigin}
 *         is greater than or equal to {@code randomNumberBound}
 * @since 1.8
 */
public LongStream longs(long randomNumberOrigin, long randomNumberBound) {
    if (randomNumberOrigin >= randomNumberBound)
        throw new IllegalArgumentException(BadRange);
    return StreamSupport.longStream
        (new RandomLongsSpliterator
         (0L, Long.MAX_VALUE, randomNumberOrigin, randomNumberBound),
         false);
}