com.dxfeed.model

Class AbstractIndexedEventModel.Entry<V>

java.lang.Object

com.dxfeed.model.AbstractIndexedEventModel.Entry<V>

Type Parameters:

V - the type of events.

Enclosing class:

AbstractIndexedEventModel<E extends IndexedEvent<?>,N extends AbstractIndexedEventModel.Entry<E>>

public static class AbstractIndexedEventModel.Entry<V>
extends Object

Represents an internal entry in the model. It can be extended to add additional state to the entry.

See Also:

AbstractIndexedEventModel.createEntry()

Constructor Summary

Constructors

Constructor and Description
Entry() Constructs entry with null value.
Entry(V value) Constructs entry with a specified value.

Method Summary

Modifier and Type	Method and Description
void	commitChange() Commits the most recent change by copying newValue to current value and clearing changed flag, if it was not cleared yet.
V	getNewValue() Returns new value of the entry, after the most recent change, null if the element is removed from the model.
V	getValue() Returns current values of the entry.
boolean	isChanged() Returns true if the value was updated and in the most recent change.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Entry

public Entry()

Constructs entry with null value.

Entry

public Entry(V value)

Constructs entry with a specified value.

Parameters:

value - the value.

Method Detail

getValue

public V getValue()

Returns current values of the entry. During AbstractIndexedEventModel.modelChanged it is the value before the change, until commitChange() method is invoked.

Returns:

current values of the entry.

getNewValue

public V getNewValue()

Returns new value of the entry, after the most recent change, null if the element is removed from the model. It can differ from value only during AbstractIndexedEventModel.modelChanged method invocation and until commitChange() method is invoked.

Returns:

new value of the entry, after the most recent change.

isChanged

public boolean isChanged()

Returns true if the value was updated and in the most recent change. It is set to true only during AbstractIndexedEventModel.modelChanged method invocation and until commitChange() method is invoked.

Returns:

true if the value was updated and in the most recent change.

commitChange

public void commitChange()

Commits the most recent change by copying newValue to current value and clearing changed flag, if it was not cleared yet.