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java.lang.Objectorg.jfree.data.DefaultKeyedValues
public class DefaultKeyedValues
An ordered list of (key, value) items. This class provides a default
implementation of the KeyedValues interface.
| Constructor Summary | |
|---|---|
DefaultKeyedValues()
Creates a new collection (initially empty). |
|
| Method Summary | |
|---|---|
void |
addValue(java.lang.Comparable key,
double value)
Updates an existing value, or adds a new value to the collection. |
void |
addValue(java.lang.Comparable key,
java.lang.Number value)
Adds a new value to the collection, or updates an existing value. |
java.lang.Object |
clone()
Returns a clone. |
boolean |
equals(java.lang.Object obj)
Tests if this object is equal to another. |
int |
getIndex(java.lang.Comparable key)
Returns the index for a given key. |
int |
getItemCount()
Returns the number of items (values) in the collection. |
java.lang.Comparable |
getKey(int index)
Returns a key. |
java.util.List |
getKeys()
Returns the keys for the values in the collection. |
java.lang.Number |
getValue(java.lang.Comparable key)
Returns the value for a given key. |
java.lang.Number |
getValue(int item)
Returns a value. |
int |
hashCode()
Returns a hash code. |
void |
removeValue(java.lang.Comparable key)
Removes a value from the collection. |
void |
removeValue(int index)
Removes a value from the collection. |
void |
setValue(java.lang.Comparable key,
double value)
Updates an existing value, or adds a new value to the collection. |
void |
setValue(java.lang.Comparable key,
java.lang.Number value)
Updates an existing value, or adds a new value to the collection. |
void |
sortByKeys(org.jfree.util.SortOrder order)
Sorts the items in the list by key. |
void |
sortByValues(org.jfree.util.SortOrder order)
Sorts the items in the list by value. |
| Methods inherited from class java.lang.Object |
|---|
finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public DefaultKeyedValues()
| Method Detail |
|---|
public int getItemCount()
getItemCount in interface Valuespublic java.lang.Number getValue(int item)
getValue in interface Valuesitem - the item of interest (zero-based index).
java.lang.IndexOutOfBoundsException - if item is out of bounds.public java.lang.Comparable getKey(int index)
getKey in interface KeyedValuesindex - the item index (zero-based).
java.lang.IndexOutOfBoundsException - if item is out of bounds.public int getIndex(java.lang.Comparable key)
getIndex in interface KeyedValueskey - the key.
-1 if the key is unrecognised.public java.util.List getKeys()
getKeys in interface KeyedValuesnull).public java.lang.Number getValue(java.lang.Comparable key)
null.
getValue in interface KeyedValueskey - the key.
null).
UnknownKeyException - if the key is not recognised.
public void addValue(java.lang.Comparable key,
double value)
key - the key (null not permitted).value - the value.
public void addValue(java.lang.Comparable key,
java.lang.Number value)
setValue(Comparable, Number) method.
key - the key (null not permitted).value - the value (null permitted).
public void setValue(java.lang.Comparable key,
double value)
key - the key (null not permitted).value - the value.
public void setValue(java.lang.Comparable key,
java.lang.Number value)
key - the key (null not permitted).value - the value (null permitted).public void removeValue(int index)
index - the index of the item to remove.public void removeValue(java.lang.Comparable key)
key - the item key.
UnknownKeyException - if the key is not recognised.public void sortByKeys(org.jfree.util.SortOrder order)
order - the sort order (null not permitted).public void sortByValues(org.jfree.util.SortOrder order)
null values, they will sort to the end of the list,
irrespective of the sort order.
order - the sort order (null not permitted).public boolean equals(java.lang.Object obj)
equals in class java.lang.Objectobj - the object (null permitted).
public int hashCode()
hashCode in class java.lang.Object
public java.lang.Object clone()
throws java.lang.CloneNotSupportedException
clone in interface org.jfree.util.PublicCloneableclone in class java.lang.Objectjava.lang.CloneNotSupportedException - this class will not throw this
exception, but subclasses might.
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