Mercurial > hg > Members > nobuyasu > jungle-network
view src/main/java/alice/jungle/operations/NetworkDeleteChildAtOperation.java @ 193:89c15aa2bc6d
change transaction
author | tatsuki |
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date | Fri, 20 Mar 2015 16:18:42 +0900 |
parents | 2828205bdc3a |
children |
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package alice.jungle.operations; import java.nio.ByteBuffer; import org.msgpack.annotation.Message; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.Command; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.NodeOperation; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error; @Message public class NetworkDeleteChildAtOperation implements NodeOperation { /* MessagePack cannot handle final.*/ //private final int pos; private int pos; public NetworkDeleteChildAtOperation() {} /* Position -1 represent root position. */ public NetworkDeleteChildAtOperation(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; } }