org.linkeddatafragments.fragments.tpf.TriplePatternFragmentRequestImpl Maven / Gradle / Ivy

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package org.linkeddatafragments.fragments.tpf;

import org.linkeddatafragments.fragments.LinkedDataFragmentRequestBase;

/**
 * An implementation of {@link ITriplePatternFragmentRequest}.
 *
 * @author Olaf Hartig
 * @param 
 * @param 
 * @param 
 */
public class TriplePatternFragmentRequestImpl
    extends LinkedDataFragmentRequestBase
    implements ITriplePatternFragmentRequest
{

    /**
     *
     */
    public final ITriplePatternElement subject;

    /**
     *
     */
    public final ITriplePatternElement predicate;

    /**
     *
     */
    public final ITriplePatternElement object;

    /**
     *
     * @param fragmentURL
     * @param datasetURL
     * @param pageNumberWasRequested
     * @param pageNumber
     * @param subject
     * @param predicate
     * @param object
     */
    public TriplePatternFragmentRequestImpl( final String fragmentURL,
                                             final String datasetURL,
                                             final boolean pageNumberWasRequested,
                                             final long pageNumber,
                                             final ITriplePatternElement subject,
                                             final ITriplePatternElement predicate,
                                             final ITriplePatternElement object )
    {
        super( fragmentURL, datasetURL, pageNumberWasRequested, pageNumber );

        if ( subject == null )
            throw new IllegalArgumentException();

        if ( predicate == null )
            throw new IllegalArgumentException();

        if ( object == null )
            throw new IllegalArgumentException();

        this.subject = subject;
        this.predicate = predicate;
        this.object = object;
    }

    @Override
    public ITriplePatternElement getSubject() {
        return subject;
    }

    @Override
    public ITriplePatternElement getPredicate() {
        return predicate;
    }

    @Override
    public ITriplePatternElement getObject() {
        return object;
    }

    @Override
    public String toString()
    {
        return "TriplePatternFragmentRequest(" +
               "class: " + getClass().getName() +
               ", subject: " + subject.toString() +
               ", predicate: " + predicate.toString() +
               ", object: " + object.toString() +
               ", fragmentURL: " + fragmentURL +
               ", isPageRequest: " + pageNumberWasRequested +
               ", pageNumber: " + pageNumber +
               ")";
    }

}