Examples with NoSuchElementException java.util.NoSuchElementException used on opensource projects

Example 21 with NoSuchElementException

use of java.util.NoSuchElementException in project checkstyle by checkstyle.

the class XdocsPagesTest method validateStyleModules.

private static void validateStyleModules(Set<Node> checks, Set<Node> configs, Set<String> styleChecks, String fileName, String ruleName) {
    final Iterator<Node> itrChecks = checks.iterator();
    final Iterator<Node> itrConfigs = configs.iterator();
    while (itrChecks.hasNext()) {
        final Node module = itrChecks.next();
        final String moduleName = module.getTextContent().trim();
        if (!module.getAttributes().getNamedItem("href").getTextContent().startsWith("config_")) {
            continue;
        }
        Assert.assertTrue(fileName + " rule '" + ruleName + "' module '" + moduleName + "' shouldn't end with 'Check'", !moduleName.endsWith("Check"));
        styleChecks.remove(moduleName);
        for (String configName : new String[] { "config", "test" }) {
            Node config = null;
            try {
                config = itrConfigs.next();
            } catch (NoSuchElementException ignore) {
                Assert.fail(fileName + " rule '" + ruleName + "' module '" + moduleName + "' is missing the config link: " + configName);
            }
            Assert.assertEquals(fileName + " rule '" + ruleName + "' module '" + moduleName + "' has mismatched config/test links", configName, config.getTextContent().trim());
            final String configUrl = config.getAttributes().getNamedItem("href").getTextContent();
            if ("config".equals(configName)) {
                final String expectedUrl = "https://github.com/search?q=" + "path%3Asrc%2Fmain%2Fresources+filename%3Agoogle_checks.xml+" + "repo%3Acheckstyle%2Fcheckstyle+" + moduleName;
                Assert.assertEquals(fileName + " rule '" + ruleName + "' module '" + moduleName + "' should have matching " + configName + " url", expectedUrl, configUrl);
            } else if ("test".equals(configName)) {
                Assert.assertTrue(fileName + " rule '" + ruleName + "' module '" + moduleName + "' should have matching " + configName + " url", configUrl.startsWith("https://github.com/checkstyle/checkstyle/" + "blob/master/src/it/java/com/google/checkstyle/test/"));
                Assert.assertTrue(fileName + " rule '" + ruleName + "' module '" + moduleName + "' should have matching " + configName + " url", configUrl.endsWith("/" + moduleName + "Test.java"));
                Assert.assertTrue(fileName + " rule '" + ruleName + "' module '" + moduleName + "' should have a test that exists", new File(configUrl.substring(53).replace('/', File.separatorChar)).exists());
            }
        }
    }
    Assert.assertFalse(fileName + " rule '" + ruleName + "' has too many configs", itrConfigs.hasNext());
}

Example 22 with NoSuchElementException

use of java.util.NoSuchElementException in project crate by crate.

the class RowGenerator method range.

/**
     * Generate a range of rows.
     * Both increasing (e.g. 0 -> 10) and decreasing ranges (10 -> 0) are supported.
     *
     * @param from start (inclusive)
     * @param to   end (exclusive)
     */
public static Iterable<Row> range(final int from, final int to) {
    return new Iterable<Row>() {

        @Override
        public Iterator<Row> iterator() {
            return new Iterator<Row>() {

                private Object[] columns = new Object[1];

                private RowN sharedRow = new RowN(columns);

                private int i = from;

                private int step = from < to ? 1 : -1;

                @Override
                public boolean hasNext() {
                    return step >= 0 ? i < to : i > to;
                }

                @Override
                public Row next() {
                    if (!hasNext()) {
                        throw new NoSuchElementException("Iterator exhausted");
                    }
                    columns[0] = i;
                    i += step;
                    return sharedRow;
                }

                @Override
                public void remove() {
                    throw new UnsupportedOperationException("Remove not supported");
                }
            };
        }
    };
}

Example 23 with NoSuchElementException

use of java.util.NoSuchElementException in project druid by druid-io.

the class QueryableIndexIndexableAdapter method getRows.

@Override
public Iterable<Rowboat> getRows() {
    return new Iterable<Rowboat>() {

        @Override
        public Iterator<Rowboat> iterator() {
            return new Iterator<Rowboat>() {

                final GenericColumn timestamps = input.getColumn(Column.TIME_COLUMN_NAME).getGenericColumn();

                final Closeable[] metrics;

                final Closeable[] columns;

                final Closer closer = Closer.create();

                final int numMetrics = getMetricNames().size();

                final DimensionHandler[] handlers = new DimensionHandler[availableDimensions.size()];

                Collection<DimensionHandler> handlerSet = input.getDimensionHandlers().values();

                int currRow = 0;

                boolean done = false;

                {
                    closer.register(timestamps);
                    handlerSet.toArray(handlers);
                    this.columns = FluentIterable.from(handlerSet).transform(new Function<DimensionHandler, Closeable>() {

                        @Override
                        public Closeable apply(DimensionHandler handler) {
                            Column column = input.getColumn(handler.getDimensionName());
                            return handler.getSubColumn(column);
                        }
                    }).toArray(Closeable.class);
                    for (Closeable column : columns) {
                        closer.register(column);
                    }
                    final Indexed<String> availableMetrics = getMetricNames();
                    metrics = new Closeable[availableMetrics.size()];
                    for (int i = 0; i < metrics.length; ++i) {
                        final Column column = input.getColumn(availableMetrics.get(i));
                        final ValueType type = column.getCapabilities().getType();
                        switch(type) {
                            case FLOAT:
                            case LONG:
                                metrics[i] = column.getGenericColumn();
                                break;
                            case COMPLEX:
                                metrics[i] = column.getComplexColumn();
                                break;
                            default:
                                throw new ISE("Cannot handle type[%s]", type);
                        }
                    }
                    for (Closeable metricColumn : metrics) {
                        closer.register(metricColumn);
                    }
                }

                @Override
                public boolean hasNext() {
                    final boolean hasNext = currRow < numRows;
                    if (!hasNext && !done) {
                        CloseQuietly.close(closer);
                        done = true;
                    }
                    return hasNext;
                }

                @Override
                public Rowboat next() {
                    if (!hasNext()) {
                        throw new NoSuchElementException();
                    }
                    final Object[] dims = new Object[columns.length];
                    int dimIndex = 0;
                    for (final Closeable column : columns) {
                        dims[dimIndex] = handlers[dimIndex].getEncodedKeyComponentFromColumn(column, currRow);
                        dimIndex++;
                    }
                    Object[] metricArray = new Object[numMetrics];
                    for (int i = 0; i < metricArray.length; ++i) {
                        if (metrics[i] instanceof IndexedFloatsGenericColumn) {
                            metricArray[i] = ((GenericColumn) metrics[i]).getFloatSingleValueRow(currRow);
                        } else if (metrics[i] instanceof IndexedLongsGenericColumn) {
                            metricArray[i] = ((GenericColumn) metrics[i]).getLongSingleValueRow(currRow);
                        } else if (metrics[i] instanceof ComplexColumn) {
                            metricArray[i] = ((ComplexColumn) metrics[i]).getRowValue(currRow);
                        }
                    }
                    final Rowboat retVal = new Rowboat(timestamps.getLongSingleValueRow(currRow), dims, metricArray, currRow, handlers);
                    ++currRow;
                    return retVal;
                }

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

Example 24 with NoSuchElementException

use of java.util.NoSuchElementException in project deeplearning4j by deeplearning4j.

the class RandomWalkIterator method next.

@Override
public IVertexSequence<V> next() {
    if (!hasNext())
        throw new NoSuchElementException();
    //Generate a random walk starting at vertex order[current]
    int currVertexIdx = order[position++];
    int[] indices = new int[walkLength + 1];
    indices[0] = currVertexIdx;
    if (walkLength == 0)
        return new VertexSequence<>(graph, indices);
    Vertex<V> next;
    try {
        next = graph.getRandomConnectedVertex(currVertexIdx, rng);
    } catch (NoEdgesException e) {
        switch(mode) {
            case SELF_LOOP_ON_DISCONNECTED:
                for (int i = 1; i < walkLength; i++) indices[i] = currVertexIdx;
                return new VertexSequence<>(graph, indices);
            case EXCEPTION_ON_DISCONNECTED:
                throw e;
            default:
                throw new RuntimeException("Unknown/not implemented NoEdgeHandling mode: " + mode);
        }
    }
    indices[1] = next.vertexID();
    currVertexIdx = indices[1];
    for (int i = 2; i <= walkLength; i++) {
        //<= walk length: i.e., if walk length = 2, it contains 3 vertices etc
        next = graph.getRandomConnectedVertex(currVertexIdx, rng);
        currVertexIdx = next.vertexID();
        indices[i] = currVertexIdx;
    }
    return new VertexSequence<>(graph, indices);
}

Example 25 with NoSuchElementException

use of java.util.NoSuchElementException in project jetty.project by eclipse.

the class ByteBufferContentProvider method iterator.

@Override
public Iterator<ByteBuffer> iterator() {
    return new Iterator<ByteBuffer>() {

        private int index;

        @Override
        public boolean hasNext() {
            return index < buffers.length;
        }

        @Override
        public ByteBuffer next() {
            try {
                ByteBuffer buffer = buffers[index];
                buffers[index] = buffer.slice();
                ++index;
                return buffer;
            } catch (ArrayIndexOutOfBoundsException x) {
                throw new NoSuchElementException();
            }
        }

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