Example usage for java.util NoSuchElementException NoSuchElementException

Introduction

In this page you can find the example usage for java.util NoSuchElementException NoSuchElementException.

Prototype

public NoSuchElementException()

Source Link

Document

Constructs a NoSuchElementException with null as its error message string.

Usage

From source file:BoundedPriorityQueue.java

/**
 * Returns the highest scoring object in this priority queue,
 * throwing an exception if the queue is empty.
 *
 * @return The highest scoring object in this queue.
 * @throws NoSuchElementException If the queue is empty.
 *///from   ww  w. j  av  a  2 s .c om
public E element() {
    E result = peek();
    if (result == null)
        throw new NoSuchElementException();
    return result;
}

From source file:com.opengamma.util.timeseries.fast.longint.object.FastMapLongObjectTimeSeries.java

@Override
public T getValueFast(final long time) {
    T value = _map.get(time);/*  w  ww.  j  a  va  2  s .  c om*/
    if (value == _defaultReturnValue) {
        throw new NoSuchElementException();
    }
    return value;
}

From source file:com.telefonica.euro_iaas.paasmanager.dao.impl.ProductInstanceDaoJpaImpl.java

public ProductInstance findUniqueByCriteria(ProductInstanceSearchCriteria criteria)
        throws NotUniqueResultException {
    List<ProductInstance> instances = findByCriteria(criteria);
    if (instances.size() > 1) {
        throw new NotUniqueResultException();
    }//from ww  w  .jav  a  2 s.co  m
    if (instances.size() == 0)
        throw new NoSuchElementException();

    return instances.iterator().next();
}

From source file:WrapperIterator.java

/**
 * Returns the next element.// w  ww  .  j  a v a  2  s  . c  o  m
 *
 * @return the next element
 * @throws NoSuchElementException if there is no next element
 */
public Object next() {

    // for chained iterators
    if (chained) {
        if (it1 == null) {
            if (it2 == null) {
                throw new NoSuchElementException();
            }

            if (it2.hasNext()) {
                return it2.next();
            }

            it2 = null;

            next();
        } else {
            if (it1.hasNext()) {
                return it1.next();
            }

            it1 = null;

            next();
        }
    }

    // for other itertors
    if (hasNext()) {
        return elements[i++];
    }

    throw new NoSuchElementException();
}

From source file:de.codesourcery.jasm16.ast.ASTUtils.java

public static Iterator<ASTNode> createInOrderIterator(ASTNode node) {
    if (node == null) {
        throw new IllegalArgumentException("node must not be NULL");
    }/*from ww w.  ja v a 2s . c o  m*/
    final Stack<ASTNode> stack = new Stack<ASTNode>();
    stack.push(node);
    return new Iterator<ASTNode>() {

        @Override
        public boolean hasNext() {
            return !stack.isEmpty();
        }

        /*    A (1)
         *    |\
         *(5) E B (2)
         *    |\ 
         *(4) D C (3)
         */
        @Override
        public ASTNode next() {
            if (stack.isEmpty()) {
                throw new NoSuchElementException();
            }
            ASTNode result = stack.pop();

            final List<ASTNode> children = result.getChildren();
            Collections.reverse(children);

            for (ASTNode child : children) {
                stack.push(child);
            }
            return result;
        }

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

From source file:MicroMap.java

/**
 * @see java.util.Map#keySet()//from ww w .java2s  .  c  o m
 */
public Set<K> keySet() {
    return new AbstractSet<K>() {
        @Override
        public Iterator<K> iterator() {
            return new Iterator<K>() {
                public boolean hasNext() {
                    return index < MicroMap.this.size();
                }

                public K next() {
                    if (!hasNext()) {
                        throw new NoSuchElementException();
                    }
                    index++;

                    return key;
                }

                public void remove() {
                    MicroMap.this.clear();
                }

                int index;
            };
        }

        @Override
        public int size() {
            return MicroMap.this.size();
        }
    };
}

From source file:UnifyHash.java

public Iterator iterator() {
    ///#ifdef JDK12
    cleanUp();/* w  ww  .j  a  v a2 s  . c om*/
    ///#endif

    return new Iterator() {
        private int bucket = 0;
        private int known = modCount;
        private Bucket nextBucket;
        private Object nextVal;

        {
            internalNext();
        }

        private void internalNext() {
            while (true) {
                while (nextBucket == null) {
                    if (bucket == buckets.length)
                        return;
                    nextBucket = buckets[bucket++];
                }

                nextVal = nextBucket.get();
                if (nextVal != null)
                    return;

                nextBucket = nextBucket.next;
            }
        }

        public boolean hasNext() {
            return nextBucket != null;
        }

        public Object next() {
            if (known != modCount)
                throw new ConcurrentModificationException();
            if (nextBucket == null)
                throw new NoSuchElementException();
            Object result = nextVal;
            nextBucket = nextBucket.next;
            internalNext();
            return result;
        }

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

From source file:com.telefonica.euro_iaas.sdc.pupperwrapper.services.tests.ActionsServiceTest.java

@Test
public void install() {

    when(catalogManagerMongo.getNode("1")).thenThrow(new NoSuchElementException()).thenReturn(node1);

    actionsService.action(Action.INSTALL, "testGroup", "1", "testSoft", "1.0.0", attributeList);

    Node node = catalogManagerMongo.getNode("1");
    Software soft = node.getSoftware("testSoft");

    assertTrue(node != null);//from  ww w .j  a  v  a2s.c  o  m
    assertTrue(soft != null);
    assertTrue(node.getGroupName().equals("testGroup"));
    assertTrue(node.getId().equals("1"));
    assertTrue(soft.getName().equals("testSoft"));
    assertTrue(soft.getVersion().equals("1.0.0"));
    assertTrue(soft.getAction().equals(Action.INSTALL));

}

From source file:net.orzo.lib.Files.java

public FileIterator<Object> gzipFileReader(final String path, final String encoding) throws IOException {
    try {/*w  w  w.j a  va2 s. c o  m*/
        final GZIPInputStream gis = new GZIPInputStream(new FileInputStream(path));
        final Reader reader = new InputStreamReader(gis, encoding);
        return new FileIterator<Object>() {

            private final BufferedReader br = new BufferedReader(reader);
            private String currLine = br.readLine();

            @Override
            public boolean hasNext() {
                return this.currLine != null;
            }

            @Override
            public Object next() {
                String ans;

                if (this.currLine != null) {
                    ans = this.currLine;
                    try {
                        this.currLine = this.br.readLine();

                    } catch (IOException e) {
                        this.currLine = null;
                        throw new IllegalStateException(e);
                    }
                    return ans;

                } else {
                    throw new NoSuchElementException();
                }
            }

            @Override
            public void close() {
                try {
                    this.currLine = null;
                    this.br.close();

                } catch (IOException e) {
                    throw new IllegalStateException(e);
                }
            }

            @Override
            public String getPath() {
                return path;
            }
        };

    } catch (EOFException ex) {
        return new EmptyFileIterator();
    }
}

From source file:gobblin.ingestion.google.webmaster.UrlTriePostOrderIterator.java

@Override
public Pair<String, UrlTrieNode> next() {
    if (hasNext()) {
        _lastVisited = _toReturn;//  w  w w.  j a  va  2s.  c  om
        _toReturn = null;
        return Pair.of(_currentPrefixSb.toString() + _lastVisited.getValue(), _lastVisited);
    }
    throw new NoSuchElementException();
}