Mercurial > hg > Members > kazuma > jungle-ormapper
view src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/store/operations/DeleteChildAtOperation.java @ 0:44465893e8b8
first Commit
author | Kazuma |
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date | Wed, 30 Nov 2016 01:47:55 +0900 |
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package jp.ac.u_ryukyu.ie.cr.jungle.store.operations; import java.nio.ByteBuffer; import jp.ac.u_ryukyu.ie.cr.jungle.store.Command; import jp.ac.u_ryukyu.ie.cr.jungle.store.impl.TreeNode; import jp.ac.u_ryukyu.ie.cr.jungle.util.Either; import jp.ac.u_ryukyu.ie.cr.jungle.util.Error; public class DeleteChildAtOperation implements NodeOperation { private final int pos; public DeleteChildAtOperation(int _pos) { pos = _pos; } @Override public Command getCommand() { return Command.DELETE_CHILD; } @Override public Either<Error, TreeNode> invoke(TreeNode _target) { return _target.getChildren().deleteChildAt(pos); } @Override public int getPosition() { return pos; } @Override public String getKey() { return null; } @Override public ByteBuffer getValue() { return null; } }