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:io.fabric8.forge.devops.setup.Fabric8SetupStep.java

@Override
public void initializeUI(final UIBuilder builder) throws Exception {
    organization.setDefaultValue("fabric8");
    builder.add(organization);//w ww  . j  ava 2 s. c o  m

    final Project project = getSelectedProject(builder.getUIContext());

    String packaging = getProjectPackaging(project);
    boolean springBoot = hasSpringBoot(project);

    // limit the choices depending on the project packaging
    final List<String> choices = new ArrayList<String>();
    if (packaging == null || springBoot || "jar".equals(packaging)) {
        String currentImage = getDockerFromImage(project);
        if (currentImage != null) {
            choices.add(currentImage);
        } else {
            choices.addAll(Arrays.asList(jarImages));
        }
    }
    if (packaging == null || "bundle".equals(packaging)) {
        choices.add(bundleImages[0]);
    }
    if (!springBoot && (packaging == null || "war".equals(packaging))) {
        choices.addAll(Arrays.asList(warImages));
    }
    from.setCompleter(new UICompleter<String>() {
        @Override
        public Iterable<String> getCompletionProposals(UIContext context, InputComponent<?, String> input,
                String value) {
            return choices;
        }
    });

    // is it possible to pre select a choice?
    if (choices.size() > 0) {
        String defaultChoice = choices.get(0);
        if (defaultChoice != null) {
            from.setDefaultValue(defaultChoice);
        }
    }

    from.addValueChangeListener(new ValueChangeListener() {
        @Override
        public void valueChanged(ValueChangeEvent event) {
            // use a listener so the docker step knows what we selected as it want to reuse
            builder.getUIContext().getAttributeMap().put("docker.from", event.getNewValue());
        }
    });
    builder.add(from);

    if (packaging == null || (!packaging.equals("war") && !packaging.equals("ear"))) {
        boolean jarImage = DockerSetupHelper.isJarImage(from.getValue());
        // TODO until we can detect reliably executable JARS versus mains lets not make this mandatory
        /*
                    main.setRequired(new Callable<Boolean>() {
        @Override
        public Boolean call() throws Exception {
            return jarImage;
        }
                    });
        */
        // only enable main if its required
        // TODO we could disable if we knew this was an executable jar
        main.setEnabled(jarImage);
        if (project != null) {
            main.setDefaultValue(DockerSetupHelper.defaultMainClass(project));
        }
        main.addValidator(new ClassNameOrMavenPropertyValidator(true));
        main.addValueChangeListener(new ValueChangeListener() {
            @Override
            public void valueChanged(ValueChangeEvent event) {
                // use a listener so the docker step knows what we selected as it want to reuse
                builder.getUIContext().getAttributeMap().put("docker.main", event.getNewValue());
            }
        });
        builder.add(main);
    }

    container.setDefaultValue(new Callable<String>() {
        @Override
        public String call() throws Exception {
            String from = (String) builder.getUIContext().getAttributeMap().get("docker.from");
            if (from != null) {
                return asContainer(from);
            }
            return null;
        }
    });

    // the from image values
    icon.setValueChoices(new Iterable<String>() {
        @Override
        public Iterator<String> iterator() {
            Set<String> choices = new LinkedHashSet<String>();
            choices.add("activemq");
            choices.add("camel");
            choices.add("java");
            choices.add("jetty");
            choices.add("karaf");
            choices.add("mule");
            choices.add("spring-boot");
            choices.add("tomcat");
            choices.add("tomee");
            choices.add("vertx");
            choices.add("weld");
            choices.add("wildfly");
            return choices.iterator();
        }
    });
    icon.setDefaultValue(new Callable<String>() {
        @Override
        public String call() throws Exception {
            // favor Camel if there is a Camel dependency
            if (!findCamelArtifacts(project).isEmpty()) {
                return "camel";
            }

            // popular containers
            boolean springBoot = hasSpringBoot(project);
            if (springBoot) {
                return "spring-boot";
            }
            boolean vertx = hasSpringBoot(project);
            if (vertx) {
                return "vertx";
            }

            // match by docker container name
            if (container.getValue() != null) {
                for (String choice : icon.getValueChoices()) {
                    if (choice.equals(container.getValue())) {
                        return choice;
                    }
                }
            }

            // use java by default
            return "java";
        }
    });

    group.setDefaultValue(new Callable<String>() {
        @Override
        public String call() throws Exception {
            // use the project name as default value
            return null;
        }
    });

    builder.add(profiles).add(icon).add(group).add(container);
}

---

From source file:org.apache.flink.api.java.sampling.RandomSamplerTest.java

private void verifyRandomSamplerDuplicateElements(final RandomSampler<Double> sampler) {
    List<Double> list = Lists.newLinkedList(new Iterable<Double>() {
        @Override//from  ww w .j  a v a  2  s  . co  m
        public Iterator<Double> iterator() {
            return sampler.sample(source.iterator());
        }
    });
    Set<Double> set = Sets.newHashSet(list);
    assertTrue("There should not have duplicate element for sampler without replacement.",
            list.size() == set.size());
}

---

From source file:org.apache.blur.kvs.HdfsKeyValueStore.java

private Iterable<Entry<BytesRef, BytesRef>> getIterable(NavigableMap<BytesRef, Value> map) {
    final Set<Entry<BytesRef, Value>> entrySet = map.entrySet();
    return new Iterable<Entry<BytesRef, BytesRef>>() {
        @Override/*from   ww  w  .ja v a 2s.c  om*/
        public Iterator<Entry<BytesRef, BytesRef>> iterator() {
            final Iterator<Entry<BytesRef, Value>> iterator = entrySet.iterator();
            return new Iterator<Entry<BytesRef, BytesRef>>() {

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

                @Override
                public Entry<BytesRef, BytesRef> next() {
                    final Entry<BytesRef, Value> e = iterator.next();
                    return new Entry<BytesRef, BytesRef>() {

                        @Override
                        public BytesRef setValue(BytesRef value) {
                            throw new RuntimeException("Read only.");
                        }

                        @Override
                        public BytesRef getValue() {
                            return e.getValue()._bytesRef;
                        }

                        @Override
                        public BytesRef getKey() {
                            return e.getKey();
                        }
                    };
                }

                @Override
                public void remove() {
                    throw new RuntimeException("Read only.");
                }
            };
        }
    };
}

---

From source file:com.aliyun.odps.mapred.local.LocalTaskContext.java

@Override
public Iterable<BufferedInputStream> readResourceArchiveAsStream(String resourceName, String relativePath)
        throws IOException {
    if (StringUtils.isEmpty(resourceName)) {
        throw new IOException("Resouce name is empty or null");
    }//from   w w  w.j  a  v a  2 s  .c om

    File resFile = new File(jobDirecotry.getResourceDir(), resourceName);
    ;
    if (!jobDirecotry.hasResource(resourceName)) {
        String project = SessionState.get().getOdps().getDefaultProject();
        try {
            WareHouse.getInstance().copyResource(project, resourceName, jobDirecotry.getResourceDir(),
                    WareHouse.getInstance().getLimitDownloadRecordCount(),
                    WareHouse.getInstance().getInputColumnSeperator());
        } catch (OdpsException e) {
        }
    }

    File resDir = new File(jobDirecotry.getResourceDir(), resourceName + "_decompressed");
    ;
    if (!resDir.exists()) {
        ArchiveUtils.unArchive(resFile, resDir);
    }

    final Collection<File> files = LocalRunUtils.listFiles(resDir, relativePath.trim());
    return new Iterable<BufferedInputStream>() {
        @Override
        public Iterator<BufferedInputStream> iterator() {
            return new InputStreamIterator(files.iterator());
        }
    };
}

---

From source file:com.oltpbenchmark.util.CollectionUtil.java

/**
 * Wrap an Iterable around an Iterator/*from www. j  av  a 2 s  . c  o  m*/
 * @param <T>
 * @param it
 * @return
 */
public static <T> Iterable<T> iterable(final Iterator<T> it) {
    return (new Iterable<T>() {
        @Override
        public Iterator<T> iterator() {
            return (it);
        }
    });
}

---

From source file:org.omnaest.utils.structure.iterator.IterableUtils.java

/**
 * Returns a new instance of an {@link Iterable} which returns the given {@link Iterator} instance
 * /*from   w w  w.  jav a 2 s.  com*/
 * @see #valueOf(Iterator, boolean)
 * @param iterator
 *          {@link Iterator}
 * @return
 */
public static <E> Iterable<E> valueOf(final Iterator<E> iterator) {
    return new Iterable<E>() {
        @Override
        public Iterator<E> iterator() {
            return iterator;
        }
    };
}

---

From source file:com.oltpbenchmark.util.CollectionUtil.java

public static <T> Iterable<T> iterable(final T values[]) {
    return (new Iterable<T>() {
        @Override/*from   w  w w. j a va2 s .  c o m*/
        public Iterator<T> iterator() {
            return new Iterator<T>() {
                private int idx = 0;

                @Override
                public boolean hasNext() {
                    return (this.idx < values.length);
                }

                @Override
                public T next() {
                    if (this.idx == values.length)
                        throw new NoSuchElementException();
                    return values[this.idx++];
                }

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

---

From source file:oculus.aperture.common.JSONProperties.java

@Override
public Iterable<Float> getFloats(String key) {
    try {/*from w ww  .  j a v a 2s  . co m*/
        final JSONArray array = obj.getJSONArray(key);

        return new Iterable<Float>() {
            @Override
            public Iterator<Float> iterator() {
                return new Iterator<Float>() {
                    private final int n = array.length();
                    private int i = 0;

                    @Override
                    public boolean hasNext() {
                        return n > i;
                    }

                    @Override
                    public Float next() {
                        try {
                            return (n > i) ? (float) array.getDouble(i++) : null;
                        } catch (JSONException e) {
                            return null;
                        }
                    }

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

    } catch (JSONException e) {
        return EmptyIterable.instance();
    }
}

---

From source file:org.libreplan.business.workingday.IntraDayDate.java

public Iterable<PartialDay> daysUntil(final UntilEnd predicate) {
    return new Iterable<IntraDayDate.PartialDay>() {
        @Override//from   w w  w.  j av a 2  s.c o m
        public Iterator<PartialDay> iterator() {
            return createIterator(IntraDayDate.this, predicate);
        }
    };
}

---

From source file:com.mongodb.jee.util.BSONHelper.java

/**
 * Transform the BSON array to iterable DBObject.
 * //from  w w  w  .j a v  a 2  s  .c o  m
 * @param list
 * @return
 */
public static Iterable<DBObject> toIterable(BasicBSONList list) {
    final Iterator<DBObject> it = toIterator(list);
    return new Iterable<DBObject>() {

        public Iterator<DBObject> iterator() {
            return it;
        }
    };
}

---

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