Example usage for java.lang Iterable Iterable

Introduction

In this page you can find the example usage for java.lang Iterable Iterable.

Prototype

Iterable

Source Link

Usage

From source file:org.novelang.common.tree.ImmutableTree.java

/**
 * Convenience method (not a part of {@link Tree} contract).
 *
 * @return a non-null iterable returning non-null iterators, which iterate on non-null objects.
 *//*from   w w w.  java 2s .c  o  m*/
public Iterable<? extends T> getChildren() {
    return new Iterable() {
        @Override
        public Iterator<T> iterator() {
            return new ChildrenIterator();
        }
    };
}

From source file:org.jsonman.node.MapNode.java

public Iterable<Pair<String, Node>> getChildrenWithName() {
    return new Iterable<Pair<String, Node>>() {
        @Override/*from  w w w.  java  2  s .  co m*/
        public Iterator<Pair<String, Node>> iterator() {
            return new Iterator<Pair<String, Node>>() {
                @Override
                public boolean hasNext() {
                    return entries.hasNext();
                }

                @Override
                public Pair<String, Node> next() {
                    Map.Entry<String, Object> e = entries.next();
                    return Pair.of(e.getKey(), NodeFactory.create(e.getValue()));
                }

                @Override
                public void remove() {
                    entries.remove();
                }

                private Iterator<Map.Entry<String, Object>> entries = map.entrySet().iterator();
            };
        }
    };
}

From source file:com.steffi.model.Cell.java

public Iterable<String> getAttributeKeys() {
    return new Iterable<String>() {

        @SuppressWarnings("unchecked")
        @Override/*from ww  w  . j  a v  a  2s.  c  o m*/
        public Iterator<String> iterator() {
            if (attributes != null) {
                final List<String> keys = new ArrayList<String>();
                final SteffiGraph graph = SteffiGraph.getInstance();

                attributes.forEachKey(new TIntProcedure() {
                    @Override
                    public boolean execute(int keyIndex) {
                        keys.add(graph.getItemName(keyIndex));
                        return true;
                    }
                });

                return keys.iterator();
            } else
                return IteratorUtils.emptyIterator();
        }
    };

}

From source file:hudson.matrix.AxisList.java

/**
 * List up all the possible combinations of this list.
 *///from   www  .  j  a va2 s.  co  m
public Iterable<Combination> list() {
    final int[] base = new int[size()];
    if (base.length == 0)
        return Collections.<Combination>emptyList();

    int b = 1;
    for (int i = size() - 1; i >= 0; i--) {
        base[i] = b;
        b *= get(i).size();
    }

    final int total = b; // number of total combinations

    return new Iterable<Combination>() {
        public Iterator<Combination> iterator() {
            return new Iterator<Combination>() {
                private int counter = 0;

                public boolean hasNext() {
                    return counter < total;
                }

                public Combination next() {
                    String[] data = new String[size()];
                    int x = counter++;
                    for (int i = 0; i < data.length; i++) {
                        data[i] = get(i).value(x / base[i]);
                        x %= base[i];
                    }
                    assert x == 0;
                    return new Combination(AxisList.this, data);
                }

                public void remove() {
                    throw new UnsupportedOperationException();
                }
            };
        }
    };
}

From source file:org.grouplens.lenskit.vectors.Vectors.java

/**
 * Iterate over the intersection of two vectors - they keys they have in common.
 * @param v1 The first vector./*  w  w w  .  ja  v a  2s . c  o  m*/
 * @param v2 The second vector.
 * @return An iterator over the common pairs. This iterator will never contain null entries.
 */
public static Iterable<ImmutablePair<VectorEntry, VectorEntry>> intersect(final SparseVector v1,
        final SparseVector v2) {
    return new Iterable<ImmutablePair<VectorEntry, VectorEntry>>() {
        @Override
        public Iterator<ImmutablePair<VectorEntry, VectorEntry>> iterator() {
            return Iterators.transform(new FastIntersectIterImpl(v1, v2), IMMUTABLE_PAIR_COPY);
        }
    };
}

From source file:uk.gov.gchq.gaffer.function.MultiFilterFunction.java

protected Iterable<Boolean> executeFilters(final Object[] input) {
    return new Iterable<Boolean>() {
        @Override//from  ww  w  .  j a  va 2  s.c  om
        public Iterator<Boolean> iterator() {
            final Iterator<ConsumerFunctionContext<Integer, FilterFunction>> funcItr = getFunctions()
                    .iterator();
            return new Iterator<Boolean>() {
                @Override
                public boolean hasNext() {
                    return funcItr.hasNext();
                }

                @Override
                public Boolean next() {
                    return executeFunction(input, funcItr.next());
                }

                @Override
                public void remove() {
                    throw new UnsupportedOperationException("Cannot remove from items from this iterator");
                }

                private boolean executeFunction(final Object[] input,
                        final ConsumerFunctionContext<Integer, FilterFunction> function) {
                    final Object[] selection;
                    if (null == function.getSelection()) {
                        selection = input;
                    } else {
                        selection = function.select(new ArrayTuple(input));
                    }

                    return function.getFunction().isValid(selection);
                }
            };
        }
    };
}

From source file:org.vafer.jdependency.Clazzpath.java

public ClazzpathUnit addClazzpathUnit(final File pFile, final String pId) throws IOException {
    if (pFile.isFile()) {
        return addClazzpathUnit(new FileInputStream(pFile), pId);
    }/*from   w ww.ja v  a 2  s  .  c o  m*/
    if (pFile.isDirectory()) {
        final String prefix = FilenameUtils.separatorsToUnix(FilenameUtils
                .normalize(new StringBuilder(pFile.getAbsolutePath()).append(File.separatorChar).toString()));
        final boolean recursive = true;
        @SuppressWarnings("unchecked")
        final Iterator<File> files = FileUtils.iterateFiles(pFile, new String[] { "class" }, recursive);
        return addClazzpathUnit(new Iterable<Resource>() {

            public Iterator<Resource> iterator() {
                return new Iterator<Clazzpath.Resource>() {

                    public boolean hasNext() {
                        return files.hasNext();
                    }

                    public Resource next() {
                        final File file = files.next();
                        return new Resource(file.getAbsolutePath().substring(prefix.length())) {

                            @Override
                            InputStream getInputStream() throws IOException {
                                return new FileInputStream(file);
                            }
                        };
                    }

                    public void remove() {
                        throw new UnsupportedOperationException();
                    }
                };
            }

        }, pId, true);
    }
    throw new IllegalArgumentException();
}

From source file:com.clxcommunications.xms.PagedFetcher.java

/**
 * Returns an iterable object that traverses all fetched elements across all
 * associated pages. This is done by iterating over fetched pages and, when
 * necessary, fetching new pages./*from w w  w  .  j av  a2 s.com*/
 * <p>
 * Since multiple fetches may be necessary to iterate over all batches it is
 * possible that concurrent changes on the server will cause the same batch
 * to be iterated over twice.
 * <p>
 * ALso, since the returned iterator will perform asynchronous network
 * traffic it is possible that the {@link Iterator#hasNext()} and
 * {@link Iterator#next()} methods throws {@link RuntimeException} having as
 * cause an {@link ExecutionException}.
 * 
 * @return a non-null iterable
 * @throws RuntimeException
 *             if the background page fetching failed
 */
@Nonnull
public Iterable<T> elements() {

    return new Iterable<T>() {

        @Override
        public Iterator<T> iterator() {

            final Iterator<Page<T>> pageIt = pages().iterator();

            return new Iterator<T>() {

                Iterator<T> pageElemIt = pageIt.next().iterator();

                @Override
                public boolean hasNext() {
                    if (!pageElemIt.hasNext()) {
                        if (!pageIt.hasNext()) {
                            return false;
                        } else {
                            pageElemIt = pageIt.next().iterator();
                            return pageElemIt.hasNext();
                        }
                    } else {
                        return true;
                    }
                }

                @Override
                public T next() {
                    if (!pageElemIt.hasNext()) {
                        pageElemIt = pageIt.next().iterator();
                    }

                    return pageElemIt.next();
                }

            };

        }

    };
}

From source file:it.unibo.alchemist.language.protelis.datatype.FieldTroveMapImpl.java

@Override
public Iterable<Object> valIterator() {
    return new Iterable<Object>() {
        @Override/* w ww.j  av  a  2 s  .  com*/
        public Iterator<Object> iterator() {
            List<Object> list = new ArrayList<>();
            for (Pair<DeviceUID, Object> e : fld.valueCollection()) {
                list.add(e.getSecond());
            }
            return list.iterator();
        }
    };
}

From source file:de.tudarmstadt.ukp.dkpro.core.performance.PerformanceTestUtil.java

public static <T> Iterable<T> repeat(final T aObject, final int aCount) {
    return new Iterable<T>() {
        @Override//www .  j  ava 2 s  .c o m
        public Iterator<T> iterator() {
            return new Iterator<T>() {
                private int i = 0;

                @Override
                public boolean hasNext() {
                    return i < aCount;
                }

                @Override
                public T next() {
                    i++;
                    return aObject;
                }

                @Override
                public void remove() {
                    throw new UnsupportedOperationException();
                }
            };
        }
    };
}