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:com.thoughtworks.studios.journey.utils.IterableUtils.java

public static <T> Iterable<T> uniqueBy(final Function<T, Object> function, final Iterable<T> iterable) {
    return new Iterable<T>() {
        @Override/*from w ww.j av a2s.co m*/
        public Iterator<T> iterator() {
            final Iterator<T> iterator = iterable.iterator();

            return new Iterator<T>() {
                Set<Object> keys = new HashSet<>();
                T nextItem;

                @Override
                public boolean hasNext() {
                    while (iterator.hasNext()) {
                        nextItem = iterator.next();
                        if (keys.add(function.apply(nextItem))) {
                            return true;
                        }
                    }

                    return false;
                }

                @Override
                public T next() {
                    if (nextItem == null && !hasNext()) {
                        throw new NoSuchElementException();
                    }

                    return nextItem;
                }

                @Override
                public void remove() {
                }
            };
        }
    };
}

From source file:eu.popgen.canephora.parsers.plink.FAMReader.java

/**
 *
 * @return/* ww  w  .java 2 s.c o  m*/
 */
@Override
public FAMRecord next() {
    FAMRecord n;
    if (this.next == null) {
        try {
            n = readRecord();
            if (n == null) {
                throw new NoSuchElementException();
            }
        } catch (IOException ex) {
            throw new RuntimeException("Could not parse FAM line");
        }
        return n;
    } else {
        n = this.next;
        this.next = null;
        return n;
    }
}

From source file:BreadthFirstPathTreeIterator.java

/** Returns the next element in the iteration.
        /* www.j ava 2 s  . c  o m*/
@return The next element in the iteration
*/

public Object next() {
    if (endOfTree)
        throw new NoSuchElementException();

    String file = getNextFile();
    if (file == null) {
        throw new NoSuchElementException();
    }
    this.nextFile = null;
    return file;
}

From source file:cn.cdwx.jpa.utils.PropertiesLoader.java

/**
 * ?IntegerProperty.Null./*from  w  w  w  .j  a v a 2s  .co m*/
 */
public Integer getInteger(String key) {
    String value = getValue(key);
    if (value == null) {
        throw new NoSuchElementException();
    }
    return Integer.valueOf(value);
}

From source file:CollectionUtilities.java

public static Iterator singletonIterator(final Object item) {
    return new Iterator() {
        private boolean gotItem = false;

        public boolean hasNext() {
            return !this.gotItem;
        }/*from   w  w w . j av  a2s  .  c o  m*/

        public Object next() {
            if (this.gotItem) {
                throw new NoSuchElementException();
            }
            this.gotItem = true;
            return item;
        }

        public void remove() {
            if (!this.gotItem) {
                this.gotItem = true;
            } else {
                throw new NoSuchElementException();
            }
        }
    };
}

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

@Override
public Triple<String, GoogleWebmasterFilter.FilterOperator, UrlTrieNode> next() {
    if (hasNext()) {
        Triple<String, GoogleWebmasterFilter.FilterOperator, UrlTrieNode> retVal = _retVal;
        _retVal = null;//from  www. jav  a  2s  . c om
        return retVal;
    }
    throw new NoSuchElementException();
}

From source file:ArrayEnumeration.java

/**
 * Returns the next element in the Array.
 *
 * @return the next element in the array.
 * @throws  NoSuchElementException  if no more elements exist.
 *///from   w w  w.  j  a va 2  s .c  o  m
public Object nextElement() {
    if (counter >= objectarray.length) {
        throw new NoSuchElementException();
    }

    final Object retval = objectarray[counter];
    counter += 1;
    return retval;
}

From source file:com.celements.iterator.DocumentIterator.java

/**
 * Returns the next element in the iteration.
 *
 * @return the next element in the iteration.
 * @exception NoSuchElementException iteration has no more elements.
 *//*from   w w w  .ja  v a  2 s. c  o  m*/
public XWikiDocument next() {
    if (hasNext()) {
        XWikiDocument theCurrentDoc = _currentDoc;
        _currentDoc = null;
        return theCurrentDoc;
    }
    throw new NoSuchElementException();
}

From source file:eu.popgen.canephora.parsers.plink.BIMReader.java

/**
 *
 * @return// w ww.  j  a  va 2s.  c om
 */
@Override
public BIMRecord next() {
    BIMRecord n;
    if (this.next == null) {
        try {
            n = readRecord();
            if (n == null) {
                throw new NoSuchElementException();
            }
        } catch (IOException ex) {
            throw new RuntimeException("Could not parse FAM line");
        }
        return n;
    } else {
        n = this.next;
        this.next = null;
        return n;
    }
}

From source file:$.PropertiesLoader.java

/**
     * ?IntegerProperty.Null./*from   w ww  .  j  a v  a 2s.  co  m*/
     */
    public Integer getInteger(String key) {
        String value = getValue(key);
        if (value == null) {
            throw new NoSuchElementException();
        }
        return Integer.valueOf(value);
    }