edu.utah.further.core.util.composite.CompositeSource.java Source code

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Here is the source code for edu.utah.further.core.util.composite.CompositeSource.java

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/**
 * Copyright (C) [2013] [The FURTHeR Project]
 *
 * 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.utah.further.core.util.composite;

import static edu.utah.further.core.api.collections.CollectionUtil.newList;
import static edu.utah.further.core.api.text.ToStringCustomStyles.SHORT_WITH_SPACES_STYLE;
import static org.slf4j.LoggerFactory.getLogger;

import java.util.Collection;
import java.util.List;

import javax.mail.internet.InternetAddress;

import org.apache.commons.lang.builder.ToStringBuilder;
import org.slf4j.Logger;

import edu.utah.further.core.api.collections.CollectionUtil;

/**
 * A named grid node implementation.
 * <p>
 * -----------------------------------------------------------------------------------<br>
 * (c) 2008-2013 FURTHeR Project, AVP Health Sciences IT Office, University of Utah<br>
 * Contact: {@code <further@utah.edu>}<br>
 * Biomedical Informatics, 26 South 2000 East<br>
 * Room 5775 HSEB, Salt Lake City, UT 84112<br>
 * Day Phone: 1-801-581-4080<br>
 * -----------------------------------------------------------------------------------
 *
 * @author Oren E. Livne {@code <oren.livne@utah.edu>}
 * @version Nov 8, 2008
 */
public class CompositeSource extends AbstractSource {
    // ========================= CONSTANTS =================================

    /**
     * A logger that helps identify this class' printouts.
     */
    @SuppressWarnings("unused")
    private static final Logger log = getLogger(CompositeSource.class);

    // ========================= FIELDS ====================================

    /**
     * List of sources of this composite source.
     */
    private final List<Source> sources;

    // ========================= CONSTRUCTORS ==============================

    /**
     * @param name
     * @param description
     * @param url
     * @param admin
     * @param sources
     */
    public CompositeSource(final String name, final String description, final String url,
            final InternetAddress admin) {
        this(name, description, url, admin, CollectionUtil.<Source>newList());
    }

    /**
     * @param name
     * @param description
     * @param url
     * @param admin
     * @param sources
     */
    public CompositeSource(final String name, final String description, final String url,
            final InternetAddress admin, final List<Source> sources) {
        super(name, description, url, admin);
        this.sources = sources;
    }

    // ========================= IMPLEMENTATION: Object ====================

    // TODO: implement final equals() and final hashCode() by name or ID.

    /**
     * @return
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return new ToStringBuilder(this, SHORT_WITH_SPACES_STYLE).append("sources", sources).toString();
    }

    // ========================= IMPLEMENTATION: Source ====================

    /**
     * @return
     * @see edu.utah.further.core.util.composite.Source#executeQuery()
     */
    @Override
    public Result executeQuery() {
        final List<String> allData = newList();
        for (final Source source : sources) {
            final Result result = source.executeQuery();
            allData.addAll(result.getData());
        }
        return new ResultImpl(allData);
    }

    // ========================= METHODS ===================================

    /**
     * @param arg0
     * @return
     */
    public void add(final Source arg0) {
        sources.add(arg0);
    }

    /**
     * @param arg0
     * @return
     */
    public void addAll(final Collection<? extends Source> arg0) {
        sources.addAll(arg0);
    }

    /**
     * @param arg0
     * @return
     */
    public void remove(final Source arg0) {
        sources.remove(arg0);
    }

    /**
     * @param arg0
     * @return
     */
    public void removeAll(final Collection<? extends Source> arg0) {
        sources.removeAll(arg0);
    }

    // ========================= PRIVATE METHODS ===========================

}