Example usage for org.joda.time.field FieldUtils safeMultiplyToInt

Introduction

In this page you can find the example usage for org.joda.time.field FieldUtils safeMultiplyToInt.

Prototype

public static int safeMultiplyToInt(long val1, long val2) 

Source Link

Document

Multiply two values to return an int throwing an exception if overflow occurs.

Usage

From source file:com.facebook.util.TimeInterval.java

License:Apache License

/**
 * Adds supplied multiples of this interval to the supplied instant.
 *
 * @param instant the instant that needs to be added to.
 * @param multiple the multiple value//w  w w . j ava 2s  . c om
 * @throws IllegalArgumentException if multiple is less than one.
 * @throws UnsupportedOperationException if the function is invoked on an {@link #INFINITE}
 * object
 *
 */
public DateTime plus(DateTime instant, int multiple) {
    if (this == INFINITE) {
        throw new IllegalStateException("plus() function is not supported on an infinite TimeInterval");
    } else if (this == ZERO) {
        return instant;
    }

    validateMultiple(multiple);

    if (type == null) {
        return instant.plus(multiple * getLength());
    } else {
        return instant.plus(type.toPeriod(FieldUtils.safeMultiplyToInt(multiple, getLength())));
    }
}

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From source file:com.facebook.util.TimeInterval.java

License:Apache License

/**
 * Subtracts the supplied multiples of this interval from the supplied instant. If the
 * TimeInterval is {@link #INFINITE} the epoch in the timezone of {@code instant} is returned
 *
 * @param instant the instant to subtract from
 * @param multiple the multiple value/*  w  ww. j  av  a  2  s.c  o m*/
 * @throws IllegalArgumentException if multiple is less than one.
 */
public DateTime minus(DateTime instant, int multiple) {
    if (this == INFINITE) {
        throw new IllegalStateException("minus() function is not supported on an infinite TimeInterval");
    } else if (this == ZERO) {
        return instant;
    }

    validateMultiple(multiple);

    if (type == null) {
        return instant.minus(multiple * getLength());
    } else {
        return instant.minus(type.toPeriod(FieldUtils.safeMultiplyToInt(multiple, getLength())));
    }
}

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