How to use

size

method

in

org.apache.commons.collections.collection.CompositeCollection

/**
 * Returns an array containing all of the elements in this composite.
 *
 * @return an object array of all the elements in the collection
 */
public Object[] toArray() {
  final Object[] result = new Object[this.size()];
  int i = 0;
  for (Iterator it = this.iterator(); it.hasNext(); i++) {
    result[i] = it.next();
  }
  return result;
}

/**
 * Returns an array containing all of the elements in this composite.
 *
 * @return an object array of all the elements in the collection
 */
public Object[] toArray() {
  final Object[] result = new Object[this.size()];
  int i = 0;
  for (Iterator it = this.iterator(); it.hasNext(); i++) {
    result[i] = it.next();
  }
  return result;
}

/**
 * Returns an object array, populating the supplied array if possible.
 * See <code>Collection</code> interface for full details.
 *
 * @param array  the array to use, populating if possible
 * @return an array of all the elements in the collection
 */
public Object[] toArray(Object[] array) {
  int size = this.size();
  Object[] result = null;
  if (array.length >= size) {
    result = array;
  }
  else {
    result = (Object[]) Array.newInstance(array.getClass().getComponentType(), size);
  }
  
  int offset = 0;
  for (int i = 0; i < this.all.length; ++i) {
    for (Iterator it = this.all[i].iterator(); it.hasNext();) {
      result[offset++] = it.next();
    }
  }
  if (result.length > size) {
    result[size] = null;
  }
  return result;
}

/**
 * Returns an object array, populating the supplied array if possible.
 * See <code>Collection</code> interface for full details.
 *
 * @param array  the array to use, populating if possible
 * @return an array of all the elements in the collection
 */
public Object[] toArray(Object[] array) {
  int size = this.size();
  Object[] result = null;
  if (array.length >= size) {
    result = array;
  }
  else {
    result = (Object[]) Array.newInstance(array.getClass().getComponentType(), size);
  }
  
  int offset = 0;
  for (int i = 0; i < this.all.length; ++i) {
    for (Iterator it = this.all[i].iterator(); it.hasNext();) {
      result[offset++] = it.next();
    }
  }
  if (result.length > size) {
    result[size] = null;
  }
  return result;
}

public void testSize() {
  setUpTest();
  HashSet set = new HashSet();
  set.add("a");
  set.add("b");
  c.addComposited(set);
  assertEquals(set.size(), c.size());
}

public void testMultipleCollectionsSize() {
  setUpTest();
  HashSet set = new HashSet();
  set.add("a");
  set.add("b");
  c.addComposited(set);
  HashSet other = new HashSet();
  other.add("c");
  c.addComposited(other);
  assertEquals(set.size() + other.size(), c.size());
}

public void testAddAllToCollection() {
  setUpTest();
  one.add("1");
  two.add("2");
  c.addComposited(one, two);
  Collection toCollection = new HashSet();
  toCollection.addAll(c);
  assertTrue(toCollection.containsAll(c));
  assertEquals(c.size(), toCollection.size());
}   

public void testToCollection() {
  setUpTest();
  one.add("1");
  two.add("2");
  c.addComposited(one, two);
  Collection foo = c.toCollection();
  assertTrue(foo.containsAll(c));
  assertEquals(c.size(), foo.size());
  one.add("3");
  assertTrue(!foo.containsAll(c));
}

  public void testRemoveComposited() {
    setUpMutatorTest();
    one.add("1");
    two.add("2");
    two.add("1");
    c.addComposited(one, two);    
    c.removeComposited(one);
    assertTrue(c.contains("1"));
    assertEquals(c.size(), 2);
  }
}

/**
 * Returns an array containing all of the elements in this composite.
 *
 * @return an object array of all the elements in the collection
 */
public Object[] toArray() {
  final Object[] result = new Object[this.size()];
  int i = 0;
  for (Iterator it = this.iterator(); it.hasNext(); i++) {
    result[i] = it.next();
  }
  return result;
}

/**
 * Returns an array containing all of the elements in this composite.
 *
 * @return an object array of all the elements in the collection
 */
public Object[] toArray() {
  final Object[] result = new Object[this.size()];
  int i = 0;
  for (Iterator it = this.iterator(); it.hasNext(); i++) {
    result[i] = it.next();
  }
  return result;
}
 

/**
 * Returns an array containing all of the elements in this composite.
 *
 * @return an object array of all the elements in the collection
 */
public Object[] toArray() {
  final Object[] result = new Object[this.size()];
  int i = 0;
  for (Iterator it = this.iterator(); it.hasNext(); i++) {
    result[i] = it.next();
  }
  return result;
}

/**
 * Returns an array containing all of the elements in this composite.
 *
 * @return an object array of all the elements in the collection
 */
public Object[] toArray() {
  final Object[] result = new Object[this.size()];
  int i = 0;
  for (Iterator it = this.iterator(); it.hasNext(); i++) {
    result[i] = it.next();
  }
  return result;
}
 

/**
 * Returns an array containing all of the elements in this composite.
 *
 * @return an object array of all the elements in the collection
 */
public Object[] toArray() {
  final Object[] result = new Object[this.size()];
  int i = 0;
  for (Iterator it = this.iterator(); it.hasNext(); i++) {
    result[i] = it.next();
  }
  return result;
}

/**
 * Returns an object array, populating the supplied array if possible.
 * See <code>Collection</code> interface for full details.
 *
 * @param array  the array to use, populating if possible
 * @return an array of all the elements in the collection
 */
public Object[] toArray(Object[] array) {
  int size = this.size();
  Object[] result = null;
  if (array.length >= size) {
    result = array;
  }
  else {
    result = (Object[]) Array.newInstance(array.getClass().getComponentType(), size);
  }
  
  int offset = 0;
  for (int i = 0; i < this.all.length; ++i) {
    for (Iterator it = this.all[i].iterator(); it.hasNext();) {
      result[offset++] = it.next();
    }
  }
  if (result.length > size) {
    result[size] = null;
  }
  return result;
}

/**
 * Returns an object array, populating the supplied array if possible.
 * See <code>Collection</code> interface for full details.
 *
 * @param array  the array to use, populating if possible
 * @return an array of all the elements in the collection
 */
public Object[] toArray(Object[] array) {
  int size = this.size();
  Object[] result = null;
  if (array.length >= size) {
    result = array;
  }
  else {
    result = (Object[]) Array.newInstance(array.getClass().getComponentType(), size);
  }
  
  int offset = 0;
  for (int i = 0; i < this.all.length; ++i) {
    for (Iterator it = this.all[i].iterator(); it.hasNext();) {
      result[offset++] = it.next();
    }
  }
  if (result.length > size) {
    result[size] = null;
  }
  return result;
}

/**
 * Returns an object array, populating the supplied array if possible.
 * See <code>Collection</code> interface for full details.
 *
 * @param array  the array to use, populating if possible
 * @return an array of all the elements in the collection
 */
public Object[] toArray(Object[] array) {
  int size = this.size();
  Object[] result = null;
  if (array.length >= size) {
    result = array;
  }
  else {
    result = (Object[]) Array.newInstance(array.getClass().getComponentType(), size);
  }
  
  int offset = 0;
  for (int i = 0; i < this.all.length; ++i) {
    for (Iterator it = this.all[i].iterator(); it.hasNext();) {
      result[offset++] = it.next();
    }
  }
  if (result.length > size) {
    result[size] = null;
  }
  return result;
}

/**
 * Returns an object array, populating the supplied array if possible.
 * See <code>Collection</code> interface for full details.
 *
 * @param array  the array to use, populating if possible
 * @return an array of all the elements in the collection
 */
public Object[] toArray(Object[] array) {
  int size = this.size();
  Object[] result = null;
  if (array.length >= size) {
    result = array;
  }
  else {
    result = (Object[]) Array.newInstance(array.getClass().getComponentType(), size);
  }
  
  int offset = 0;
  for (int i = 0; i < this.all.length; ++i) {
    for (Iterator it = this.all[i].iterator(); it.hasNext();) {
      result[offset++] = it.next();
    }
  }
  if (result.length > size) {
    result[size] = null;
  }
  return result;
}
 

/**
 * Returns an object array, populating the supplied array if possible.
 * See <code>Collection</code> interface for full details.
 *
 * @param array  the array to use, populating if possible
 * @return an array of all the elements in the collection
 */
public Object[] toArray(Object[] array) {
  int size = this.size();
  Object[] result = null;
  if (array.length >= size) {
    result = array;
  }
  else {
    result = (Object[]) Array.newInstance(array.getClass().getComponentType(), size);
  }
  
  int offset = 0;
  for (int i = 0; i < this.all.length; ++i) {
    for (Iterator it = this.all[i].iterator(); it.hasNext();) {
      result[offset++] = it.next();
    }
  }
  if (result.length > size) {
    result[size] = null;
  }
  return result;
}