Examples of org.apache.commons.collections4.map.AbstractLinkedMap

Package org.apache.commons.collections4.map

Examples of org.apache.commons.collections4.map.AbstractLinkedMap

org.apache.commons.collections4.FunctorException
An abstract implementation of a hash-based map that links entries to create an ordered map and which provides numerous points for subclasses to override.
This class implements all the features necessary for a subclass linked hash-based map. Key-value entries are stored in instances of the LinkEntry class which can be overridden and replaced. The iterators can similarly be replaced, without the need to replace the KeySet, EntrySet and Values view classes.
Overridable methods are provided to change the default hashing behaviour, and to change how entries are added to and removed from the map. Hopefully, all you need for unusual subclasses is here.
This implementation maintains order by original insertion, but subclasses may work differently. The OrderedMap interface is implemented to provide access to bidirectional iteration and extra convenience methods.
The orderedMapIterator() method provides direct access to a bidirectional iterator. The iterators from the other views can also be cast to OrderedIterator if required.
All the available iterators can be reset back to the start by casting to ResettableIterator and calling reset().
The implementation is also designed to be subclassed, with lots of useful methods exposed. @since 3.0 @version $Id: AbstractLinkedMap.java 1494296 2013-06-18 20:54:29Z tn $

     * @param input  the input object to transform
     * @return never
     * @throws FunctorException always
     */
    public O transform(final I input) {
        throw new FunctorException("ExceptionTransformer invoked");
    }

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        public T create() {
            try {
                return clazz.newInstance();
            } catch (final Exception ex) {
                throw new FunctorException("Cannot instantiate class: " + clazz, ex);
            }
        }

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        try {
            final Class<?> cls = input.getClass();
            final Method method = cls.getMethod(iMethodName, iParamTypes);
            return (O) method.invoke(input, iArgs);
        } catch (final NoSuchMethodException ex) {
            throw new FunctorException("InvokerTransformer: The method '" + iMethodName + "' on '" +
                                       input.getClass() + "' does not exist");
        } catch (final IllegalAccessException ex) {
            throw new FunctorException("InvokerTransformer: The method '" + iMethodName + "' on '" +
                                       input.getClass() + "' cannot be accessed");
        } catch (final InvocationTargetException ex) {
            throw new FunctorException("InvokerTransformer: The method '" + iMethodName + "' on '" +
                                       input.getClass() + "' threw an exception", ex);
        }
    }

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        public T create() {
            try {
                return clazz.newInstance();
            } catch (final Exception ex) {
                throw new FunctorException("Cannot instantiate class: " + clazz, ex);
            }
        }

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     *
     * @param input  the input object
     * @throws FunctorException always
     */
    public void execute(final E input) {
        throw new FunctorException("ExceptionClosure invoked");
    }

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                bais = new ByteArrayInputStream(baos.toByteArray());
                final ObjectInputStream in = new ObjectInputStream(bais);
                return (T) in.readObject();


            } catch (final ClassNotFoundException ex) {
                throw new FunctorException(ex);
            } catch (final IOException ex) {
                throw new FunctorException(ex);
            } finally {
                try {
                    if (bais != null) {
                        bais.close();
                    }

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     * @throws FunctorException if the transformer returns an invalid type
     */
    public boolean evaluate(final T object) {
        final Boolean result = iTransformer.transform(object);
        if (result == null) {
            throw new FunctorException(
                    "Transformer must return an instanceof Boolean, it was a null object");
        }
        return result.booleanValue();
    }

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     * @param input  the input object to transform
     * @return never
     * @throws FunctorException always
     */
    public O transform(final I input) {
        throw new FunctorException("ExceptionTransformer invoked");
    }

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     * @param object  the input object
     * @return never
     * @throws FunctorException always
     */
    public boolean evaluate(final T object) {
        throw new FunctorException("ExceptionPredicate invoked");
    }

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     *
     * @return never
     * @throws FunctorException always
     */
    public T create() {
        throw new FunctorException("ExceptionFactory invoked");
    }

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