Examples of net.jcores.utils.Mapper

net.jcores.utils.Mapper
Used by the cores when calling the inner core's mapping function. You do not need this. @author rb

     * @param options 
     * 
     * @return The mapped elements in a stable order   
     */
    public CoreInt map(final F1Int2Int f, Option... options) {
        final Mapper mapper = new Mapper(int.class, this.t.length) {
            @Override
            public void handle(int i) {
                int[] a = (int[]) this.array.get();
                a[i] = f.f(CoreInt.this.t[i]);
            }
        };


        map(mapper, options);


        return new CoreInt(this.commonCore, (int[]) mapper.getTargetArray());
    }

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     * 
     * @return The mapped elements in a stable order   
     */
    @SuppressWarnings("unchecked")
    public <R> CoreObject<R> map(final F1Int2Object<R> f, Option... options) {
        final Mapper mapper = new Mapper(this.t.length) {
            @Override
            public void handle(int i) {
                R[] a = (R[]) this.array.get();


                final R out = f.f(CoreInt.this.t[i]);
                if (out == null) return;


                if (a == null) {
                    a = (R[]) updateArray(Array.newInstance(out.getClass(), this.size));
                }


                a[i] = out;
            }
        };


        map(mapper, options);


        return new CoreObject<R>(this.commonCore, (R[]) mapper.getTargetArray());
    }

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                mapType = ((OptionMapType) option).getType();
            }
        }


        // Create mapper
        final Mapper mapper = new Mapper(mapType, size() - 1) {
            @Override
            public void handle(int i) {
                // Get our target-array (if it is already there)
                R[] a = (R[]) this.array.get();


                // Get the in-value from the source-array
                final T ii = CoreObject.this.t[i];
                final T jj = CoreObject.this.t[i + 1];


                // Convert
                if (ii == null || jj == null) return;


                final R out = delta.f(ii, jj);


                if (out == null) return;


                // If we haven't had an in-array, create it now, according to the return type
                if (a == null) {
                    a = (R[]) updateArray(Array.newInstance(out.getClass(), this.size));
                }


                // Eventually set the out value
                a[i] = out;
            }
        };


        // Map ...
        map(mapper, options);


        // In case we don't have a return array (which happens when the mapper never returned something
        // sensible), we create a simple object array of our size, so that the core's size stays
        // consistent.
        R rval[] = (R[]) mapper.getTargetArray();
        if (rval == null) {
            rval = (R[]) Array.newInstance(Object.class, Math.max(0, size() - 1));
        }


        // ... and return result.

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                mapType = ((OptionMapType) option).getType();
            }
        }


        // Create mapper
        final Mapper mapper = new Mapper(mapType, size()) {
            @Override
            public void handle(int i) {
                // Get our target-array (if it is already there)
                R[] a = (R[]) this.array.get();


                // Get the in-value from the source-array
                final T in = CoreObject.this.t[i];


                // Convert
                if (in == null) return;
                final R out = f.f(in);
                if (out == null) return;


                // If we haven't had an in-array, create it now, according to the return type
                if (a == null) {
                    a = (R[]) updateArray(Array.newInstance(out.getClass(), this.size));
                }


                // Eventually set the out value
                a[i] = out;
            }
        };


        // Map ...
        map(mapper, options);


        // In case we don't have a return array (which happens when the mapper never returned something
        // sensible), we create a simple object array of our size, so that the core's size stays
        // consistent.
        R rval[] = (R[]) mapper.getTargetArray();
        if (rval == null) {
            rval = (R[]) Array.newInstance(Object.class, size());
        }


        // ... and return result.

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     * @deprecated
     * @return The mapped elements in a stable order   
     */
    @Deprecated
    public CoreInt map(final F1Object2Int<T> f, Option... options) {
        final Mapper mapper = new Mapper(int.class, size()) {
            @Override
            public void handle(int i) {
                int[] a = (int[]) this.array.get();
                a[i] = f.f(CoreObject.this.t[i]);
            }
        };


        map(mapper, options);


        return new CoreInt(this.commonCore, (int[]) mapper.getTargetArray());
    }

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Related Classes of net.jcores.utils.Mapper

net.jcores.cores.CoreInt

net.jcores.cores.CoreObject

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