jess
Class ValueVector

java.lang.Object
  |
  +--jess.ValueVector

All Implemented Interfaces:

java.lang.Cloneable, java.io.Serializable

Direct Known Subclasses:

Fact, Funcall

public class ValueVector

extends java.lang.Object

implements java.lang.Cloneable, java.io.Serializable

A mini version of Vector (a self-extending array) that only holds Values. Not synchronized, so you must be careful of multithreading issues.

(C) E.J Friedman-Hill and Sandia National Laboratories

Author:

E.J. Friedman-Hill

See Also:

Serialized Form

Constructor Summary

ValueVector()
Construct a ValueVector of the default size (10)

ValueVector(int size)
Construct a ValueVector of the given size

Method Summary

ValueVector	add(Value val) Add a new element to the end of this ValueVector.
ValueVector	addAll(ValueVector vv) Append all Values.
java.lang.Object	clone() Create a shallow copy of this ValueVector
ValueVector	cloneInto(ValueVector vv) Make the parameter into a copy of this ValueVector
static void	copy(ValueVector src, int srcPos, ValueVector dest, int destPos, int length) System.arraycopy DeLuxe for ValueVectors.
boolean	equals(java.lang.Object o) Comparethis valueVector to another object.
Value	get(int i) Fetch the entry at position i in thie ValueVector
ValueVector	set(Value val, int i) Set the entry at position i to val.
ValueVector	setLength(int i) Set the length of this ValueVector.
int	size() Fetch the size of this ValueVector
java.lang.String	toString() Return a String version of this ValueVector, without parentheses.
java.lang.String	toStringWithParens() Return a String version of this ValueVector, with parentheses around all ValueVectors.

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ValueVector

public ValueVector()

Construct a ValueVector of the default size (10)

ValueVector

public ValueVector(int size)

Construct a ValueVector of the given size

Parameters:

size - The number of Values this vector can hold at creation

Method Detail

size

public final int size()

Fetch the size of this ValueVector

Returns:

The size of this ValueVector

clone

public java.lang.Object clone()

Create a shallow copy of this ValueVector

Overrides:

clone in class java.lang.Object

Returns:

The copy

cloneInto

public ValueVector cloneInto(ValueVector vv)

Make the parameter into a copy of this ValueVector

Parameters:

vv - A ValueVector, whose contents are erased.

Returns:

The parameter

get

public Value get(int i)
          throws JessException

Fetch the entry at position i in thie ValueVector

Parameters:

i - The 0-based index of the Value to fetch

Returns:

The Value

setLength

public ValueVector setLength(int i)

Set the length of this ValueVector. If necessary the storage will be extended.

Parameters:

i - The new length (>= 0)

set

public final ValueVector set(Value val,
                             int i)
                      throws JessException

Set the entry at position i to val. i must be >= 0 and < the return value of size().

Parameters:

val - The new value

i - The index at which to place it.

add

public final ValueVector add(Value val)

Add a new element to the end of this ValueVector. The storage will be extended if necessary.

Parameters:

val - The value to add.

equals

public boolean equals(java.lang.Object o)

Comparethis valueVector to another object.

Overrides:

equals in class java.lang.Object

Parameters:

o - Another object

Returns:

True if the object is a valueVector of the same size containing Values that compare equal to the ones in this Vector.

copy

public static void copy(ValueVector src,
                        int srcPos,
                        ValueVector dest,
                        int destPos,
                        int length)

System.arraycopy DeLuxe for ValueVectors.

addAll

public ValueVector addAll(ValueVector vv)

Append all Values.

toString

public java.lang.String toString()

Return a String version of this ValueVector, without parentheses.

Overrides:

toString in class java.lang.Object

Returns:

The String

toStringWithParens

public java.lang.String toStringWithParens()

Return a String version of this ValueVector, with parentheses around all ValueVectors.

Returns:

The String