Examples of net.jcores.jre.options.Indexer

net.jcores.jre.options.Indexer
Can be passed to a {@link CoreObject}'s forEach() / map() to retrieve the current loop index. A use case might look like this:

final OptionIndexer i = Indexer.NEW();
$(objects).forEach(new F1() { public Void f(Object x) {
System.out.println("Current index: " + i.i());
}}, i);

An single indexer can be shared among different jCores invocations of the same level (e.g., chained invocations), but not in nested invocations (i.e., jCores calls within calls). @author Ralf Biedert

        
        Assert.assertEquals(Data.s1.length, c.intValue());
        
        c.set(0);
        final ConcurrentHashMap<Integer, Object> cc = new ConcurrentHashMap<Integer, Object>();
        final Indexer indexer = Indexer.NEW();
        
        $(Data.sn).map(new F1<String, Void>() {
            @SuppressWarnings("boxing")
            @Override
            public Void f(String x) {
                c.getAndIncrement();
                if(cc.containsKey(indexer.i())) System.out.println("DOUBLE " + indexer.i());
                cc.put(indexer.i(), new Object());
                return null;
            }
        }, indexer);
        Assert.assertEquals(Data.sn.length, c.intValue());

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    /** */
    @Test
    public void testIndexer() {
        final Indexer indexer = Indexer.NEW();


        $.range(100000).forEach(new F1<Number, Number>() {
            @SuppressWarnings("boxing")
            @Override
            public Number f(Number x) {
                Assert.assertEquals(x, indexer.i());
                return null;
            }
        }, indexer);


        $.range(100000).map(new F1<Number, Number>() {
            @SuppressWarnings("boxing")
            @Override
            public Number f(Number x) {
                Assert.assertEquals(x, indexer.i());
                return null;
            }
        }, indexer);


    }

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        public MapOptions(Option... options) {
            // Variables to set after we processed the options
            boolean _debug = false;
            Class<?> _type = null;
            Indexer _indexer = null;


            // Check options if we have
            for (Option option : options) {
                if (option instanceof MapType) {
                    _type = ((MapType) option).getType();

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Related Classes of net.jcores.jre.options.Indexer

junit.CoreObjectTest

net.jcores.jre.utils.internal.processing.Mapper$MapOptions

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