Package org.apache.commons.collections4.sequence

Class KeepCommand<T>

java.lang.Object

org.apache.commons.collections4.sequence.EditCommand<T>

org.apache.commons.collections4.sequence.KeepCommand<T>

public class KeepCommand<T>
extends EditCommand<T>

Command representing the keeping of one object present in both sequences.

When one object of the first sequence equals another objects in the second sequence at the right place, the edit script transforming the first sequence into the second sequence uses an instance of this class to represent the keeping of this object. The objects embedded in these type of commands always come from the first sequence.

Since:

4.0

See Also:

• SequencesComparator
• EditScript

Constructor Summary

Constructors

Constructor	Description
KeepCommand(T object)	Simple constructor.

Method Summary

Modifier and Type	Method	Description
void	accept(CommandVisitor<T> visitor)	Accept a visitor.

Methods inherited from class org.apache.commons.collections4.sequence.EditCommand

getObject

Methods inherited from class java.lang.Object

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

Constructor Details

KeepCommand

public KeepCommand(T object)

Simple constructor. Creates a new instance of KeepCommand

Parameters:

object - the object belonging to both sequences (the object is a reference to the instance in the first sequence which is known to be equal to an instance in the second sequence)

Method Details

accept

public void accept(CommandVisitor<T> visitor)

Accept a visitor. When a KeepCommand accepts a visitor, it calls its visitKeepCommand method.

Specified by:

accept in class EditCommand<T>

Parameters:

visitor - the visitor to be accepted