Package org.apache.jackrabbit.oak.core

Source Code of org.apache.jackrabbit.oak.core.ConnectionImpl

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jackrabbit.oak.core;

import org.apache.jackrabbit.mk.api.MicroKernel;
import org.apache.jackrabbit.mk.model.NodeBuilder;
import org.apache.jackrabbit.mk.model.NodeState;
import org.apache.jackrabbit.mk.model.NodeStore;
import org.apache.jackrabbit.oak.api.AuthInfo;
import org.apache.jackrabbit.oak.api.CommitFailedException;
import org.apache.jackrabbit.oak.api.Connection;
import org.apache.jackrabbit.oak.kernel.KernelNodeStore;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.jcr.NoSuchWorkspaceException;
import javax.jcr.SimpleCredentials;
import java.io.IOException;

/**
* ConnectionImpl...
*/
public class ConnectionImpl implements Connection {

    /**
     * logger instance
     */
    private static final Logger log = LoggerFactory.getLogger(ConnectionImpl.class);

    private final SimpleCredentials credentials;
    private final String workspaceName;
    private final NodeStore store;

    private NodeState root;

    public ConnectionImpl(SimpleCredentials credentials, String workspaceName,
            NodeStore store, NodeState root) {
        this.credentials = credentials;
        this.workspaceName = workspaceName;
        this.store = store;
        this.root = root;
    }

    static Connection createWorkspaceConnection(SimpleCredentials credentials,
            String workspace, MicroKernel microKernel, String revision) throws NoSuchWorkspaceException {

        NodeStore store = new KernelNodeStore(microKernel); // TODO: pass revision?
        NodeState wspRoot = store.getRoot().getChildNode(workspace);
        if (wspRoot == null) {
            throw new NoSuchWorkspaceException(workspace);
        }

        return new ConnectionImpl(credentials, workspace, store, wspRoot);
    }

    @Override
    public AuthInfo getAuthInfo() {
        // todo implement getAuthInfo
        return new AuthInfo() {
            @Override
            public String getUserID() {
                return credentials.getUserID();
            }

            @Override
            public String[] getAttributeNames() {
                return credentials.getAttributeNames();
            }

            @Override
            public Object getAttribute(String attributeName) {
                return credentials.getAttribute(attributeName);
            }
        };
    }

    @Override
    public NodeState getCurrentRoot() {
        return root;
    }

    @Override
    public NodeState commit(NodeState newRoot) throws CommitFailedException {
        if (workspaceName == null) {
// todo            store.setRoot(newRoot);
            return root = store.getRoot();
        }
        else {
// todo            NodeBuilder builder = store.getNodeBuilder(store.getRoot());
//            builder.setChildNode(workspaceName, newRoot);
            return root = store.getRoot().getChildNode(workspaceName);
        }
    }

    @Override
    public NodeBuilder getNodeBuilder(NodeState state) {
        return store.getNodeBuilder(state);
    }

    @Override
    public void close() throws IOException {
        // todo implement close
    }

    @Override
    public String getWorkspaceName() {
        return workspaceName;
    }

    @Override
    public Connection getRepositoryConnection() {
        return new ConnectionImpl(credentials, null, store, store.getRoot());
    }
}
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