MappingDiscoverer.java

/*
 *    Copyright (c) 2013, University of Toronto.
 *
 *    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 edu.toronto.cs.xcurator.discoverer;

import edu.toronto.cs.xcurator.common.DataDocument;
import edu.toronto.cs.xcurator.mapping.Mapping;
import java.util.ArrayList;
import java.util.List;
import org.w3c.dom.Document;

/**
 *
 * @author zhuerkan
 */
public class MappingDiscoverer {

    private List<MappingDiscoveryStep> pipeline;
    private Mapping mapping;
    private List<DataDocument> dataDocuments;

    // Initialize the discoverer for only one data document
    public MappingDiscoverer(Document dataDocument, Mapping mapping) {
        pipeline = new ArrayList<>();
        dataDocuments = new ArrayList<>();
        dataDocuments.add(new DataDocument(dataDocument));
        this.mapping = mapping;
    }

    public MappingDiscoverer(Mapping mapping) {
        pipeline = new ArrayList<>();
        this.dataDocuments = new ArrayList<>();
        this.mapping = mapping;
    }

    public MappingDiscoverer addStep(MappingDiscoveryStep step) {
        pipeline.add(step);
        return this;
    }

    public MappingDiscoverer addDataDocument(DataDocument dataDocument) {
        dataDocuments.add(dataDocument);
        return this;
    }

    public void discoverMapping() {
        for (MappingDiscoveryStep step : pipeline) {
            step.process(dataDocuments, mapping);
        }
    }

}