Mercurial > hg > Members > kazuma > jungle-ormapper
view src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/store/impl/logger/LoggingNode.java @ 0:44465893e8b8
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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.impl.logger; import jp.ac.u_ryukyu.ie.cr.jungle.store.operations.NodeOperation; import jp.ac.u_ryukyu.ie.cr.jungle.util.Error; import jp.ac.u_ryukyu.ie.cr.jungle.store.impl.TreeNode; import jp.ac.u_ryukyu.ie.cr.jungle.store.operations.ReplaceRootNodeOperation; import jp.ac.u_ryukyu.ie.cr.jungle.util.DefaultEither; import jp.ac.u_ryukyu.ie.cr.jungle.util.Either; public class LoggingNode { private final TreeNode wrap; private final OperationLog log; public LoggingNode(TreeNode _wrap) { this(_wrap,new DefaultOperationLog()); } public LoggingNode(TreeNode _wrap,OperationLog _log) { wrap = _wrap; log = _log; } public LoggingAttributes getAttributes() { return new LoggingAttributes(wrap,log); } public LoggingChildren getChildren() { return new LoggingChildren(wrap,log); } public OperationLog getOperationLog() { return log; } public Either<Error, LoggingNode> replaceNewRootNode() { NodeOperation replaceRootNode = new ReplaceRootNodeOperation(); return edit(replaceRootNode); } public Either<Error, LoggingNode> edit(NodeOperation op){ Either<Error,TreeNode> either = op.invoke(wrap); if(either.isA()){ return DefaultEither.newA(either.a()); } TreeNode newWrap = either.b(); OperationLog newLog = log.add(op); LoggingNode newLoggingNode = new LoggingNode(newWrap,newLog); return DefaultEither.newB(newLoggingNode); } public TreeNode getWrap() { return wrap; } }