Java Doc for DefaultKeyedValueDataset.java in  » Chart » jfreechart » org » jfree » data » general » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Chart » jfreechart » org.jfree.data.general   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.jfree.data.general.AbstractDataset       org.jfree.data.general.DefaultKeyedValueDataset DefaultKeyedValueDataset public class DefaultKeyedValueDataset extends AbstractDataset implements KeyedValueDataset,Serializable(Code) A default implementation of the KeyedValueDataset interface. Constructor Summary public   DefaultKeyedValueDataset()      Constructs a new dataset, initially empty. public   DefaultKeyedValueDataset(Comparable key, Number value)      Creates a new dataset with the specified initial value. public   DefaultKeyedValueDataset(KeyedValue data)      Creates a new dataset that uses the data from a KeyedValue instance. Method Summary public  Object clone()      Creates a clone of the dataset. public  boolean equals(Object obj)      Tests this dataset for equality with an arbitrary object. Parameters:   obj - the object. public  Comparable getKey()      Returns the key associated with the value, or null if the dataset has no data item. public  Number getValue()      Returns the value. public  int hashCode()      Returns a hash code. public  void setValue(Comparable key, Number value)      Sets the value for the dataset and sends a DatasetChangeEvent to all registered listeners. public  void updateValue(Number value)      Updates the value. Constructor Detail DefaultKeyedValueDataset public DefaultKeyedValueDataset()(Code) Constructs a new dataset, initially empty. DefaultKeyedValueDataset public DefaultKeyedValueDataset(Comparable key, Number value)(Code) Creates a new dataset with the specified initial value. Parameters:   key - the key. Parameters:   value - the value (null permitted). DefaultKeyedValueDataset public DefaultKeyedValueDataset(KeyedValue data)(Code) Creates a new dataset that uses the data from a KeyedValue instance. Parameters:   data - the data (null permitted). Method Detail clone public Object clone() throws CloneNotSupportedException(Code) Creates a clone of the dataset. A clone. throws:   CloneNotSupportedException - This class will not throw this exception, but subclasses (if any) might. equals public boolean equals(Object obj)(Code) Tests this dataset for equality with an arbitrary object. Parameters:   obj - the object. A boolean. getKey public Comparable getKey()(Code) Returns the key associated with the value, or null if the dataset has no data item. The key. getValue public Number getValue()(Code) Returns the value. The value (possibly null). hashCode public int hashCode()(Code) Returns a hash code. A hash code. setValue public void setValue(Comparable key, Number value)(Code) Sets the value for the dataset and sends a DatasetChangeEvent to all registered listeners. Parameters:   key - the key. Parameters:   value - the value (null permitted). updateValue public void updateValue(Number value)(Code) Updates the value. Parameters:   value - the new value (null permitted). Methods inherited from org.jfree.data.general.AbstractDataset public void addChangeListener(DatasetChangeListener listener)(Code)(Java Doc) public Object clone() throws CloneNotSupportedException(Code)(Java Doc) protected void fireDatasetChanged()(Code)(Java Doc) public DatasetGroup getGroup()(Code)(Java Doc) public boolean hasListener(EventListener listener)(Code)(Java Doc) protected void notifyListeners(DatasetChangeEvent event)(Code)(Java Doc) public void removeChangeListener(DatasetChangeListener listener)(Code)(Java Doc) public void setGroup(DatasetGroup group)(Code)(Java Doc) public void validateObject() throws InvalidObjectException(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)