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edu.utah.janosvm.kit.util
Class SparseArray
java.lang.Object | +--edu.utah.janosvm.kit.util.SparseArray
- public final class SparseArray
- extends java.lang.Object
A simple class for generating/looking up unique identifiers.
| Field Summary | |
static int |
DEFAULT_ID_BITS
The number of bits that make up a unique identifier. |
static int |
DEFAULT_X_SIZE
The default X size of the array. |
static int |
DEFAULT_Y_SIZE
The default Y size of the array. |
static int |
INVALID_ID
A guaranteed invalid ID number. |
| Constructor Summary | |
SparseArray()
Construct an array with the default values. |
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SparseArray(java.lang.Class cl)
Construct an array with the given values and the default sizes. |
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SparseArray(java.lang.Class elementClass,
int xSize,
int ySize,
int timeBitCount)
Construct an array with the given values. |
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SparseArray(int xSize,
int ySize)
Construct an array with the given values and the default element class. |
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| Method Summary | |
void |
dropElement(SparseArrayElement sae)
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java.util.Enumeration |
elements()
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SparseArrayElement |
findElement(long id)
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SparseArrayElement |
getElement()
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java.lang.Class |
getElementClass()
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int |
getTimeCount()
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long |
getTimeMask()
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int |
getTimeOffset()
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int |
getXSize()
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int |
getYSize()
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java.lang.String |
toString()
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| Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
wait,
wait,
wait |
| Field Detail |
DEFAULT_X_SIZE
public static final int DEFAULT_X_SIZE
- The default X size of the array.
DEFAULT_Y_SIZE
public static final int DEFAULT_Y_SIZE
- The default Y size of the array.
DEFAULT_ID_BITS
public static final int DEFAULT_ID_BITS
- The number of bits that make up a unique identifier.
INVALID_ID
public static final int INVALID_ID
- A guaranteed invalid ID number.
| Constructor Detail |
SparseArray
public SparseArray(java.lang.Class elementClass,
int xSize,
int ySize,
int timeBitCount)
- Construct an array with the given values.
- Parameters:
elementClass- The class of objects to use as elements.xSize- The size of the X dimension.ySize- The size of the Y dimension.
SparseArray
public SparseArray(int xSize,
int ySize)
- Construct an array with the given values and the default element class.
- Parameters:
xSize- The size of the X dimension.ySize- The size of the Y dimension.
SparseArray
public SparseArray(java.lang.Class cl)
- Construct an array with the given values and the default sizes.
- Parameters:
elementClass- The class of objects to use as elements.
SparseArray
public SparseArray()
- Construct an array with the default values.
| Method Detail |
getElementClass
public java.lang.Class getElementClass()
- Returns:
- The class of elements in the array.
getXSize
public int getXSize()
- Returns:
- The size of the X dimension.
getYSize
public int getYSize()
- Returns:
- The size of the Y dimension.
getTimeCount
public int getTimeCount()
- Returns:
- The number of bits in the delay mask.
getTimeOffset
public int getTimeOffset()
- Returns:
- The start of the delay bits.
getTimeMask
public long getTimeMask()
- Returns:
- The bitmask that makes up the delay.
getElement
public SparseArrayElement getElement()
- Returns:
- An allocated SparseArrayElement.
dropElement
public void dropElement(SparseArrayElement sae)
- Parameters:
sae- A SparseArrayElement to free.
findElement
public SparseArrayElement findElement(long id)
- Parameters:
id- The element to find.- Returns:
- The element with the given identifier or null if it wasn't found
elements
public java.util.Enumeration elements()
- Returns:
- An enumeration containing the elements in the array. NOTE: You
toString
public java.lang.String toString()
- Overrides:
- toString in class java.lang.Object
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JanosVM v0.6.0 Java API | |||||||||
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This documentation is Copyright (C) 2000-2002 The University of Utah. All Rights Reserved. See the documentation license for distribution terms and restrictions.
Documentation, software, and mailing lists for the JanosVM can be found at the Janos Project web page: http://www.cs.utah.edu/flux/janos/
Generated on Mar 17, 2002