Package org.apache.commons.collections

Examples of org.apache.commons.collections.Transformer

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    }

    @SuppressWarnings("unchecked")
    public Map<String, String> getTemplateTypes() {
        if (templateTypes == null) {
            templateTypes = LazyMap.decorate(new HashMap<String, String>(), new Transformer() {
                public Object transform(Object templateType) {
                    return buildURL(resource.getNode(), resource.getResolvedTemplate(), (String) templateType);
                }
            });
        }
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    /*
     * Gets response from the underlying DataNodes.
     */
    void runQueryInTransaction() {

        domain.runInTransaction(new Transformer() {

            public Object transform(Object input) {
                runQuery();
                return null;
            }
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    public Expression expWithParameters(
            final Map<String, ?> parameters,
            final boolean pruneMissing) {

        // create transformer for named parameters
        Transformer transformer = new Transformer() {

            public Object transform(Object object) {
                if (!(object instanceof ExpressionParameter)) {

                    // mainly for the ASTList array child...
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     */
    public void performQueries(
            final Collection<? extends Query> queries,
            final OperationObserver callback) {

        runInTransaction(new Transformer() {

            public Object transform(Object input) {
                new DataDomainLegacyQueryAction(
                        DataDomain.this,
                        new QueryChain(queries),
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            // "cascade" and "no_cascade" are the same from the DataDomain
            // perspective,
            // including transaction handling logic
            case DataChannel.FLUSH_NOCASCADE_SYNC:
            case DataChannel.FLUSH_CASCADE_SYNC:
                result = (GraphDiff) runInTransaction(new Transformer() {

                    public Object transform(Object input) {
                        return onSyncFlush(originatingContext, changes);
                    }
                });
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                        new Predicate() {
                            public boolean evaluate(Object object) {
                                return object instanceof PropertyInfo;
                            }
                        }),
                        new Transformer() {
                            public Object transform(Object input) {
                                PropertyInfo info = (PropertyInfo) input;
                                return info.getId();
                            }});

                Iterator childInfos = new TransformIterator(itemInfos.iterator(), new Transformer(){
                    public Object transform(Object input) {
                        ItemInfo info = (ItemInfo) input;
                        Name name = info.getPath().getNameElement().getName();
                        return new ChildInfoImpl(name, null, Path.INDEX_DEFAULT);
                    }});
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        assertTrue("natural order, so comparator should be null",
            c == null);     
    }
   
    public void testTransformerDecorate() {
        Transformer transformer = TransformerUtils.asTransformer(oneFactory);
        SortedMap map = LazySortedMap.decorate(new TreeMap(), transformer);    
        assertTrue(map instanceof LazySortedMap); 
         try {
            map = LazySortedMap.decorate(new TreeMap(), (Transformer) null);
            fail("Expecting IllegalArgumentException for null transformer");
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        }
        if (predicatesAndTransformers.size() == 0) {
            return ConstantTransformer.NULL_INSTANCE;
        }
        // convert to array like this to guarantee iterator() ordering
        Transformer defaultTransformer = (Transformer) predicatesAndTransformers.remove(null);
        int size = predicatesAndTransformers.size();
        if (size == 0) {
            return (defaultTransformer == null ? ConstantTransformer.NULL_INSTANCE : defaultTransformer);
        }
        transformers = new Transformer[size];
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    public Expression expWithParameters(
            final Map<String, ?> parameters,
            final boolean pruneMissing) {

        // create transformer for named parameters
        Transformer transformer = new Transformer() {

            public Object transform(Object object) {
                if (!(object instanceof ExpressionParameter)) {
                    return object;
                }
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    public String projectVersion() {
        return config.getProjectVersion();
    }

    public Iterator domainNames() {
        Transformer tr = new Transformer() {

            public Object transform(Object input) {
                return ((DataDomain) input).getName();
            }
        };
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