org.apache.commons.collections.primitives: public final class: LongCollections

org.apache.commons.collections.primitives
public final class: LongCollections [javadoc | source]

java.lang.Object
   org.apache.commons.collections.primitives.LongCollections

This class consists exclusively of static methods that operate on or return LongCollections.

The methods of this class all throw a NullPoLongerException if the provided collection is null.

version: $ - Revision: 1.1 $ $Date: 2003/10/27 23:46:10 $

author: Rodney - Waldhoff

Field Summary
public static final LongList	EMPTY_LONG_LIST	An unmodifiable, empty LongList Also see: getEmptyLongList
public static final LongIterator	EMPTY_LONG_ITERATOR	An unmodifiable, empty LongIterator Also see: getEmptyLongIterator
public static final LongListIterator	EMPTY_LONG_LIST_ITERATOR	An unmodifiable, empty LongListIterator Also see: getEmptyLongListIterator

Method from org.apache.commons.collections.primitives.LongCollections Summary:
getEmptyLongIterator, getEmptyLongList, getEmptyLongListIterator, singletonLongIterator, singletonLongList, singletonLongListIterator, unmodifiableLongIterator, unmodifiableLongList, unmodifiableLongListIterator

Methods from java.lang.Object:
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.apache.commons.collections.primitives.LongCollections Detail:
public static LongIterator getEmptyLongIterator() { return EMPTY_LONG_ITERATOR; } Returns an unmodifiable, empty LongIterator
public static LongList getEmptyLongList() { return EMPTY_LONG_LIST; } Returns an unmodifiable, empty LongList.
public static LongListIterator getEmptyLongListIterator() { return EMPTY_LONG_LIST_ITERATOR; } Returns an unmodifiable, empty LongListIterator
public static LongIterator singletonLongIterator(long value) { return singletonLongList(value).iterator(); } Returns an unmodifiable LongIterator containing only the specified element.
public static LongList singletonLongList(long value) { // TODO: a specialized implementation of LongList may be more performant LongList list = new ArrayLongList(1); list.add(value); return UnmodifiableLongList.wrap(list); } Returns an unmodifiable LongList containing only the specified element.
public static LongListIterator singletonLongListIterator(long value) { return singletonLongList(value).listIterator(); } Returns an unmodifiable LongListIterator containing only the specified element.
public static LongIterator unmodifiableLongIterator(LongIterator iter) { if(null == iter) { throw new NullPointerException(); } return UnmodifiableLongIterator.wrap(iter); } Returns an unmodifiable version of the given non-null LongIterator.
public static LongList unmodifiableLongList(LongList list) throws NullPointerException { if(null == list) { throw new NullPointerException(); } return UnmodifiableLongList.wrap(list); } Returns an unmodifiable version of the given non-null LongList.
public static LongListIterator unmodifiableLongListIterator(LongListIterator iter) { if(null == iter) { throw new NullPointerException(); } return UnmodifiableLongListIterator.wrap(iter); } Returns an unmodifiable version of the given non-null LongListIterator.

Method from org.apache.commons.collections.primitives.LongCollections Detail:

 public static LongIterator getEmptyLongIterator() {
        return EMPTY_LONG_ITERATOR;
}

Returns an unmodifiable, empty LongIterator

 public static LongList getEmptyLongList() {
        return EMPTY_LONG_LIST;
}

Returns an unmodifiable, empty LongList.

 public static LongListIterator getEmptyLongListIterator() {
        return EMPTY_LONG_LIST_ITERATOR;
}

Returns an unmodifiable, empty LongListIterator

 public static LongIterator singletonLongIterator(long value) {
        return singletonLongList(value).iterator();
}

Returns an unmodifiable LongIterator containing only the specified element.

 public static LongList singletonLongList(long value) {
        // TODO: a specialized implementation of LongList may be more performant
        LongList list = new ArrayLongList(1);
        list.add(value);
        return UnmodifiableLongList.wrap(list);
}

Returns an unmodifiable LongList containing only the specified element.

 public static LongListIterator singletonLongListIterator(long value) {
        return singletonLongList(value).listIterator();
}

Returns an unmodifiable LongListIterator containing only the specified element.

 public static LongIterator unmodifiableLongIterator(LongIterator iter) {
        if(null == iter) {
            throw new NullPointerException();
        }
        return UnmodifiableLongIterator.wrap(iter);
}

Returns an unmodifiable version of the given non-null LongIterator.

 public static LongList unmodifiableLongList(LongList list) throws NullPointerException {
        if(null == list) {
            throw new NullPointerException();
        }
        return UnmodifiableLongList.wrap(list);
}

Returns an unmodifiable version of the given non-null LongList.

 public static LongListIterator unmodifiableLongListIterator(LongListIterator iter) {
        if(null == iter) {
            throw new NullPointerException();
        }
        return UnmodifiableLongListIterator.wrap(iter);
}

Returns an unmodifiable version of the given non-null LongListIterator.