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:com.wavemaker.commons.io.store.StoredFolder.java

@Override
public Resources<Resource> list() {
    if (!exists()) {
        return new ResourcesCollection<Resource>(this);
    }/*from w w  w. ja  va 2  s  .  c  o m*/
    return new ChildResources(new Iterable<Resource>() {

        @Override
        public Iterator<Resource> iterator() {
            return new ChildResourceIterator(StoredFolder.this);
        }
    });
}

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

/**
 * Iterate over the intersection of two vectors without the overhead of object creation.
 * @param v1 The first vector.//  w  w w . ja v a 2 s .  c  o m
 * @param v2 The second vector.
 * @return A fast iterator over the common keys of the two vectors.
 * @see #intersect(SparseVector, SparseVector)
 */
public static Iterable<Pair<VectorEntry, VectorEntry>> fastIntersect(final SparseVector v1,
        final SparseVector v2) {
    return new Iterable<Pair<VectorEntry, VectorEntry>>() {
        @Override
        public Iterator<Pair<VectorEntry, VectorEntry>> iterator() {
            return new FastIntersectIterImpl(v1, v2);
        }
    };
}

From source file:org.springframework.boot.actuate.metrics.reader.MetricRegistryMetricReader.java

@Override
public Iterable<Metric<?>> findAll() {
    return new Iterable<Metric<?>>() {
        @Override/*from  w w w .  j  a v  a 2  s. co m*/
        public Iterator<Metric<?>> iterator() {
            Set<Metric<?>> metrics = new HashSet<Metric<?>>();
            for (String name : MetricRegistryMetricReader.this.names.keySet()) {
                Metric<?> metric = findOne(name);
                if (metric != null) {
                    metrics.add(metric);
                }
            }
            return metrics.iterator();
        }
    };
}

From source file:org.apache.tez.runtime.library.common.ValuesIterator.java

public Iterable<VALUE> getValues() {
    return new Iterable<VALUE>() {

        @Override//from   ww  w .jav  a 2  s .  c  o m
        public Iterator<VALUE> iterator() {

            return new Iterator<VALUE>() {

                private final int keyNumber = keyCtr;

                @Override
                public boolean hasNext() {
                    return hasMoreValues;
                }

                @Override
                public VALUE next() {
                    if (!hasMoreValues) {
                        throw new NoSuchElementException("iterate past last value");
                    }
                    Preconditions.checkState(keyNumber == keyCtr,
                            "Cannot use values iterator on the previous K-V pair after moveToNext has been invoked to move to the next K-V pair");

                    try {
                        readNextValue();
                        readNextKey();
                    } catch (IOException ie) {
                        throw new RuntimeException("problem advancing post rec#" + keyCtr, ie);
                    }
                    inputValueCounter.increment(1);
                    return value;
                }

                @Override
                public void remove() {
                    throw new UnsupportedOperationException("Cannot remove elements");
                }
            };
        }
    };
}

From source file:com.wavemaker.commons.io.store.StoredFolder.java

@Override
public Resources<Resource> find() {
    if (!exists()) {
        return new ResourcesCollection<Resource>(this);
    }/*from ww w .j  av a2s  .  c om*/
    return new ChildResources(new Iterable<Resource>() {

        @Override
        public Iterator<Resource> iterator() {
            return new RecursiveChildResourceIterator(StoredFolder.this);
        }
    });
}

From source file:org.pentaho.platform.plugin.services.importexport.legacy.DbSolutionRepositoryImportSource.java

/**
 * @return/*from   w ww . jav  a2  s  . c o m*/
 */
public Iterable<IRepositoryFileBundle> getFiles() {
    Assert.hasLength(requiredCharset);
    return new Iterable<IRepositoryFileBundle>() {
        public Iterator<IRepositoryFileBundle> iterator() {
            return new RepositoryFileBundleIterator();
        }
    };
}

From source file:org.broadinstitute.gatk.utils.pileup.PileupElementTracker.java

public Iterable<PE> unorderedIterable() {
    return new Iterable<PE>() {
        @Override// w ww.  j a  v  a2  s  .c o  m
        public Iterator<PE> iterator() {
            return new Iterator<PE>() {
                final private IteratorChain chain = new IteratorChain();

                { // initialize the chain with the unordered iterators of the per sample pileups
                    for (PileupElementTracker<PE> pet : pileup.values()) {
                        chain.addIterator(pet.unorderedIterator());
                    }
                }

                @Override
                public boolean hasNext() {
                    return chain.hasNext();
                }

                @Override
                public PE next() {
                    return (PE) chain.next();
                }

                @Override
                public void remove() {
                    throw new UnsupportedOperationException("Cannot remove");
                }
            };
        }
    };
}

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

public ClazzpathUnit addClazzpathUnit(final InputStream pInputStream, final String pId) throws IOException {
    final JarInputStream inputStream = new JarInputStream(pInputStream);
    try {/*from  w w  w.  j a va2  s  .c om*/
        final JarEntry[] entryHolder = new JarEntry[1];

        return addClazzpathUnit(new Iterable<Resource>() {

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

                    public boolean hasNext() {
                        try {
                            do {
                                entryHolder[0] = inputStream.getNextJarEntry();
                            } while (entryHolder[0] != null && !Resource.isValidName(entryHolder[0].getName()));
                        } catch (IOException e) {
                            throw new RuntimeException(e);
                        }
                        return entryHolder[0] != null;
                    }

                    public Resource next() {
                        return new Resource(entryHolder[0].getName()) {

                            @Override
                            InputStream getInputStream() {
                                return inputStream;
                            }
                        };
                    }

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

                };
            }
        }, pId, false);
    } finally {
        inputStream.close();
    }
}

From source file:org.apache.camel.processor.Splitter.java

@SuppressWarnings("unchecked")
private Iterable<ProcessorExchangePair> createProcessorExchangePairsIterable(final Exchange exchange,
        final Object value) {
    final Iterator iterator = ObjectHelper.createIterator(value);
    return new Iterable() {
        // create a copy which we use as master to copy during splitting
        // this avoids any side effect reflected upon the incoming exchange
        private final Exchange copy = ExchangeHelper.createCopy(exchange, true);
        private final RouteContext routeContext = exchange.getUnitOfWork() != null
                ? exchange.getUnitOfWork().getRouteContext()
                : null;//from   ww w  . ja  v  a2 s . c  om

        public Iterator iterator() {
            return new Iterator() {
                private int index;
                private boolean closed;

                public boolean hasNext() {
                    if (closed) {
                        return false;
                    }

                    boolean answer = iterator.hasNext();
                    if (!answer) {
                        // we are now closed
                        closed = true;
                        // nothing more so we need to close the expression value in case it needs to be
                        if (value instanceof Closeable) {
                            IOHelper.close((Closeable) value, value.getClass().getName(), LOG);
                        } else if (value instanceof Scanner) {
                            // special for Scanner as it does not implement Closeable
                            ((Scanner) value).close();
                        }
                    }
                    return answer;
                }

                public Object next() {
                    Object part = iterator.next();
                    // create a correlated copy as the new exchange to be routed in the splitter from the copy
                    // and do not share the unit of work
                    Exchange newExchange = ExchangeHelper.createCorrelatedCopy(copy, false);
                    if (part instanceof Message) {
                        newExchange.setIn((Message) part);
                    } else {
                        Message in = newExchange.getIn();
                        in.setBody(part);
                    }
                    return createProcessorExchangePair(index++, getProcessors().iterator().next(), newExchange,
                            routeContext);
                }

                public void remove() {
                    throw new UnsupportedOperationException("Remove is not supported by this iterator");
                }
            };
        }

    };
}

From source file:com.facebook.hive.orc.ReaderImpl.java

@Override
public Iterable<StripeInformation> getStripes() {
    return new Iterable<com.facebook.hive.orc.StripeInformation>() {

        @Override//  w ww .  ja  v  a  2  s. c  o m
        public Iterator<com.facebook.hive.orc.StripeInformation> iterator() {
            return new Iterator<com.facebook.hive.orc.StripeInformation>() {
                private final Iterator<OrcProto.StripeInformation> inner = footer.getStripesList().iterator();

                @Override
                public boolean hasNext() {
                    return inner.hasNext();
                }

                @Override
                public com.facebook.hive.orc.StripeInformation next() {
                    return new StripeInformationImpl(inner.next());
                }

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