org.apache.somewhere.general.TripleImpl.java Source code

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Here is the source code for org.apache.somewhere.general.TripleImpl.java

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/**
 * 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.somewhere.general;

import java.util.Objects;

import org.apache.commons.rdf.api.*;

public class TripleImpl implements Triple {
    private final BlankNodeOrIRI subject;
    private final IRI predicate;
    private final RDFTerm object;

    /* package */ TripleImpl(BlankNodeOrIRI subject, IRI predicate, RDFTerm object) {
        this.subject = subject;
        this.predicate = predicate;
        this.object = object;
    }

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

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

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

    @Override
    public String toString() {
        return subject.ntriplesString() + " " + predicate.ntriplesString() + " " + object.ntriplesString() + " .";
    }

    @Override
    public int hashCode() {
        return Objects.hash(getSubject(), getPredicate(), getObject());
    }

    @Override
    public boolean equals(Object other) {
        if (other == this)
            return true;
        if (other == null)
            return false;
        if (!(other instanceof Triple))
            return false;
        Triple triple = (Triple) other;
        return getSubject().equals(triple.getSubject()) && getPredicate().equals(triple.getPredicate())
                && getObject().equals(triple.getObject());
    }
}