com.marklogic.semantics.jena.MarkLogicDatasetGraphFactory Maven / Gradle / Ivy

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Adapter for using MarkLogic with the jena RDF Framework

There is a newer version: 4.0.0

/*
 * Copyright 2016 MarkLogic Corporation
 *
 * Licensed 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 com.marklogic.semantics.jena;

import com.marklogic.client.DatabaseClient;
import com.marklogic.client.DatabaseClientFactory;
import com.marklogic.client.DatabaseClientFactory.Authentication;
import com.marklogic.semantics.jena.client.JenaDatabaseClient;
import com.marklogic.semantics.jena.engine.MarkLogicQueryEngine;
import com.marklogic.semantics.jena.engine.MarkLogicUpdateEngine;

/**
 * Contains static methods for creating a MarkLogicDatasetGraph, which is a
 * DatabsetGraph that is backed by a MarkLogic database and REST API.
 */
public class MarkLogicDatasetGraphFactory {

    /**
     * Creates a MarkLogicDatasetGraph from an existing
     * {@link com.marklogic.client.DatabaseClient}.
     * 
     * @param client
     *            An instance of DatabaseClient.
     * @return A MarkLogicDatasetGraph instance wrapping MarkLogic.
     */
    public static MarkLogicDatasetGraph createDatasetGraph(DatabaseClient client) {
        JenaDatabaseClient jenaClient = new JenaDatabaseClient(client);
        MarkLogicDatasetGraph datasetGraph = new MarkLogicDatasetGraph(
                jenaClient);
        MarkLogicQueryEngine.unregister();
        MarkLogicQueryEngine.register();
        MarkLogicUpdateEngine.unregister();
        MarkLogicUpdateEngine.register();
        return datasetGraph;
    }

    /**
     * Creates MarkLogicDatasetGraph from access parameters to a REST MarkLogic
     * server.
     * 
     * @param host
     *            the host with the REST server
     * @param port
     *            the port for the REST server
     * @param user
     *            the user with read, write, or administrative privileges
     * @param password
     *            the password for the user
     * @param type
     *            the type of authentication applied to the request
     * @return A MarkLogicDatasetGraph instance wrapping MarkLogic.
     */
    static public MarkLogicDatasetGraph createDatasetGraph(String host,
            int port, String user, String password, Authentication type) {
        DatabaseClient client = DatabaseClientFactory.newClient(host, port,
                user, password, type);
        return MarkLogicDatasetGraphFactory.createDatasetGraph(client);
    }
}