Example usage for org.apache.commons.functor UnaryPredicate test

Introduction

In this page you can find the example usage for org.apache.commons.functor UnaryPredicate test.

Prototype

boolean test(A obj);

Source Link

Document

Evaluate this predicate.

Usage

From source file:declarative.Sample1.java

public static void main(String[] args) {
    UnaryPredicate<Integer> isEven = new UnaryPredicate<Integer>() {
        public boolean test(Integer number) {
            return number % 2 == 0;
        }/*from   w w  w. j a v  a 2 s  . c  o  m*/
    };
    IntegerRange zeroToTen = new IntegerRange(0, 11);
    for (Integer number : zeroToTen.toCollection()) {
        if (isEven.test(number)) {
            System.out.println(number + " is even");
        }
    }
}

---

From source file:com.aw.support.collection.ListUtils.java

public static void apply(Collection list, UnaryPredicate predicate, UnaryFunction function) {
    for (Object o : list) {
        if (predicate == null || predicate.test(o)) {
            function.evaluate(o);//from w  ww  . j  a v  a 2 s  . c o m
        }
    }
}

---

From source file:com.aw.support.collection.ListUtils.java

/**
 * Return the index of the element in the list that satisfied the predicate
 *
 * @param list/*from ww  w  .ja v a 2 s  .c  o m*/
 * @param predicate
 * @return -1 if no exist any element that satisfied the predicate
 */
public static int indexOf(List list, UnaryPredicate predicate) {
    for (int i = 0; i < list.size(); i++) {
        Object obj = list.get(i);
        if (predicate.test(obj)) {
            return i;
        }
    }
    return -1;
}

---

From source file:com.aw.support.collection.ListUtils.java

/**
 * Returns a list with the elements that meet the criteria
 *
 * @param list/*from  w w  w .j  a v  a2 s  .c  o m*/
 * @return
 */
public static <E> List<E> getSubList(Collection<E> list, UnaryPredicate predicate) {
    List subList = new ArrayList();
    for (Iterator<E> iterator = list.iterator(); iterator.hasNext();) {
        Object o = iterator.next();
        if (predicate.test(o)) {
            subList.add(o);
        }
    }
    return subList;
}

---