Example usage for org.apache.commons.functor.generator.loop IteratorToGeneratorAdapter adapt

Introduction

In this page you can find the example usage for org.apache.commons.functor.generator.loop IteratorToGeneratorAdapter adapt.

Prototype

public static <E> IteratorToGeneratorAdapter<E> adapt(Iterator<? extends E> iter) 

Source Link

Document

Adapt an Iterator to the Generator interface.

Usage

From source file:org.apache.commons.functor.example.map.FixedSizeMap.java

public FixedSizeMap(Map<K, V> map) {
    super(map);/*from   w  ww. j  a v  a  2  s .com*/
    setOnPut(new BinaryFunction<Map<K, V>, Object[], V>() {
        public V evaluate(Map<K, V> map, Object[] b) {
            K key = (K) Array.get(b, 0);
            V value = (V) Array.get(b, 1);
            if (map.containsKey(key)) {
                return map.put(key, value);
            } else {
                throw new IllegalArgumentException();
            }
        }
    });

    setOnPutAll(new BinaryProcedure<Map<K, V>, Map<K, V>>() {
        public void run(Map<K, V> a, Map<K, V> b) {
            Map<K, V> dest = a;
            Map<K, V> src = b;

            if (GeneratorContains.instance().test(IteratorToGeneratorAdapter.adapt(src.keySet().iterator()),
                    Not.not(new ContainsKey(dest)))) {
                throw new IllegalArgumentException();
            } else {
                dest.putAll(src);
            }
        }
    });

    setOnRemove(new BinaryProcedureBinaryFunction<Map<K, V>, K, V>(
            (BinaryProcedure<? super Map<K, V>, ? super K>) new Throw<K, V>(
                    new UnsupportedOperationException())));
    setOnClear(new Throw<K, V>(new UnsupportedOperationException()));
}

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