/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id: IntVector.java,v 1.2.4.1 2005/09/15 08:15:45 suresh_emailid Exp $
*/
/**
* A very simple table that stores a list of int.
*
* This version is based on a "realloc" strategy -- a simle array is
* used, and when more storage is needed, a larger array is obtained
* access to existing nodes is O(1) fast but appending may be O(N**2)
* slow. See also SuballocatedIntVector.
* @xsl.usage internal
*/
{
/** Size of blocks to allocate */
protected int m_blocksize;
/** Array of ints */
/** Number of ints in array */
/** Size of array */
protected int m_mapSize;
/**
* Default constructor. Note that the default
* block size is very small, for small lists.
*/
public IntVector()
{
m_blocksize = 32;
m_map = new int[m_blocksize];
}
/**
* Construct a IntVector, using the given block size.
*
* @param blocksize Size of block to allocate
*/
{
}
/**
* Construct a IntVector, using the given block size.
*
* @param blocksize Size of block to allocate
*/
{
}
/**
* Copy constructor for IntVector
*
* @param v Existing IntVector to copy
*/
{
m_firstFree = v.m_firstFree;
m_blocksize = v.m_blocksize;
}
/**
* Get the length of the list.
*
* @return length of the list
*/
public final int size()
{
return m_firstFree;
}
/**
* Get the length of the list.
*
* @return length of the list
*/
{
m_firstFree = sz;
}
/**
* Append a int onto the vector.
*
* @param value Int to add to the list
*/
{
{
m_mapSize += m_blocksize;
}
m_firstFree++;
}
/**
* Append several int values onto the vector.
*
* @param value Int to add to the list
*/
{
{
}
for (int i = 0; i < numberOfElements; i++)
{
m_firstFree++;
}
}
/**
* Append several slots onto the vector, but do not set the values.
*
* @param numberOfElements Int to add to the list
*/
{
{
}
}
/**
* Inserts the specified node in this vector at the specified index.
* Each component in this vector with an index greater or equal to
* the specified index is shifted upward to have an index one greater
* than the value it had previously.
*
* @param value Int to insert
* @param at Index of where to insert
*/
{
{
m_mapSize += m_blocksize;
}
{
}
m_firstFree++;
}
/**
* Inserts the specified node in this vector at the specified index.
* Each component in this vector with an index greater or equal to
* the specified index is shifted upward to have an index one greater
* than the value it had previously.
*/
public final void removeAllElements()
{
for (int i = 0; i < m_firstFree; i++)
{
}
m_firstFree = 0;
}
/**
* Removes the first occurrence of the argument from this vector.
* If the object is found in this vector, each component in the vector
* with an index greater or equal to the object's index is shifted
* downward to have an index one smaller than the value it had
* previously.
*
* @param s Int to remove from array
*
* @return True if the int was removed, false if it was not found
*/
public final boolean removeElement(int s)
{
for (int i = 0; i < m_firstFree; i++)
{
if (m_map[i] == s)
{
if ((i + 1) < m_firstFree)
else
m_firstFree--;
return true;
}
}
return false;
}
/**
* Deletes the component at the specified index. Each component in
* this vector with an index greater or equal to the specified
* index is shifted downward to have an index one smaller than
* the value it had previously.
*
* @param i index of where to remove and int
*/
public final void removeElementAt(int i)
{
if (i > m_firstFree)
else
m_firstFree--;
}
/**
* Sets the component at the specified index of this vector to be the
* specified object. The previous component at that position is discarded.
*
* The index must be a value greater than or equal to 0 and less
* than the current size of the vector.
*
* @param value object to set
* @param index Index of where to set the object
*/
{
}
/**
* Get the nth element.
*
* @param i index of object to get
*
* @return object at given index
*/
public final int elementAt(int i)
{
return m_map[i];
}
/**
* Tell if the table contains the given node.
*
* @param s object to look for
*
* @return true if the object is in the list
*/
public final boolean contains(int s)
{
for (int i = 0; i < m_firstFree; i++)
{
if (m_map[i] == s)
return true;
}
return false;
}
/**
* Searches for the first occurence of the given argument,
* beginning the search at index, and testing for equality
* using the equals method.
*
* @param elem object to look for
* @param index Index of where to begin search
* @return the index of the first occurrence of the object
* argument in this vector at position index or later in the
* vector; returns -1 if the object is not found.
*/
{
for (int i = index; i < m_firstFree; i++)
{
return i;
}
}
/**
* Searches for the first occurence of the given argument,
* beginning the search at index, and testing for equality
* using the equals method.
*
* @param elem object to look for
* @return the index of the first occurrence of the object
* argument in this vector at position index or later in the
* vector; returns -1 if the object is not found.
*/
{
for (int i = 0; i < m_firstFree; i++)
{
return i;
}
}
/**
* Searches for the first occurence of the given argument,
* beginning the search at index, and testing for equality
* using the equals method.
*
* @param elem Object to look for
* @return the index of the first occurrence of the object
* argument in this vector at position index or later in the
* vector; returns -1 if the object is not found.
*/
{
{
return i;
}
}
/**
* Returns clone of current IntVector
*
* @return clone of current IntVector
*/
throws CloneNotSupportedException
{
return new IntVector(this);
}
}