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Added Javadocs to ChangeSetExecutor.

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sk89q 2014-04-01 16:23:13 -07:00
parent 1667fa5c79
commit 9b564a460e
1 changed files with 24 additions and 0 deletions
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24
src/main/java/com/sk89q/worldedit/function/operation/ChangeSetExecutor.java
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@ -28,6 +28,9 @@ import java.util.Iterator;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Performs an undo or redo from a given {@link ChangeSet}.
*/
public class ChangeSetExecutor implements Operation {
public enum Type {UNDO, REDO}
@ -36,6 +39,13 @@ public class ChangeSetExecutor implements Operation {
private final Type type;
private final UndoContext context;
/**
* Create a new instance.
*
* @param changeSet the change set
* @param type type of change
* @param context the undo context
*/
private ChangeSetExecutor(ChangeSet changeSet, Type type, UndoContext context) {
checkNotNull(changeSet);
checkNotNull(type);
@ -69,10 +79,24 @@ public class ChangeSetExecutor implements Operation {
public void cancel() {
}
/**
* Create a new undo operation.
*
* @param changeSet the change set
* @param context an undo context
* @return an operation
*/
public static ChangeSetExecutor createUndo(ChangeSet changeSet, UndoContext context) {
return new ChangeSetExecutor(changeSet, Type.UNDO, context);
}
/**
* Create a new redo operation.
*
* @param changeSet the change set
* @param context an undo context
* @return an operation
*/
public static ChangeSetExecutor createRedo(ChangeSet changeSet, UndoContext context) {
return new ChangeSetExecutor(changeSet, Type.REDO, context);
}