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

Example 6 with NoSuchElementException

use of java.util.NoSuchElementException in project groovy by apache.

the class EmptyRangeTest method testIterator.

/**
     * Test method for {@link groovy.lang.EmptyRange#iterator()}.
     */
public void testIterator() {
    final Iterator iterator = range.iterator();
    assertFalse("iterator has next value", iterator.hasNext());
    try {
        iterator.next();
        fail("got next value in an empty range");
    } catch (NoSuchElementException e) {
        assertTrue("expected exception thrown", true);
    }
}

Example 7 with NoSuchElementException

use of java.util.NoSuchElementException in project flink by apache.

the class DataSourceTask method getInputSplits.

private Iterator<InputSplit> getInputSplits() {
    final InputSplitProvider provider = getEnvironment().getInputSplitProvider();
    return new Iterator<InputSplit>() {

        private InputSplit nextSplit;

        private boolean exhausted;

        @Override
        public boolean hasNext() {
            if (exhausted) {
                return false;
            }
            if (nextSplit != null) {
                return true;
            }
            final InputSplit split;
            try {
                split = provider.getNextInputSplit(getUserCodeClassLoader());
            } catch (InputSplitProviderException e) {
                throw new RuntimeException("Could not retrieve next input split.", e);
            }
            if (split != null) {
                this.nextSplit = split;
                return true;
            } else {
                exhausted = true;
                return false;
            }
        }

        @Override
        public InputSplit next() {
            if (this.nextSplit == null && !hasNext()) {
                throw new NoSuchElementException();
            }
            final InputSplit tmp = this.nextSplit;
            this.nextSplit = null;
            return tmp;
        }

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

Example 8 with NoSuchElementException

use of java.util.NoSuchElementException in project hadoop by apache.

the class CorruptFileBlockIterator method next.

@Override
public Path next() throws IOException {
    if (!hasNext()) {
        throw new NoSuchElementException("No more corrupt file blocks");
    }
    Path result = nextPath;
    loadNext();
    return result;
}

Example 9 with NoSuchElementException

use of java.util.NoSuchElementException in project hbase by apache.

the class WALEntryStream method next.

/**
   * @return the next WAL entry in this stream
   * @throws WALEntryStreamRuntimeException if there was an IOException
   * @throws NoSuchElementException if no more entries in the stream.
   */
@Override
public Entry next() {
    if (!hasNext())
        throw new NoSuchElementException();
    Entry save = currentEntry;
    // gets reloaded by hasNext()
    currentEntry = null;
    return save;
}

Example 10 with NoSuchElementException

use of java.util.NoSuchElementException in project hbase by apache.

the class RowResultGenerator method next.

public Cell next() {
    if (cache != null) {
        Cell kv = cache;
        cache = null;
        return kv;
    }
    if (valuesI == null) {
        return null;
    }
    try {
        return valuesI.next();
    } catch (NoSuchElementException e) {
        return null;
    }
}