it.unibz.inf.ontop.ontology.impl.NaryAxiomImpl.java Source code

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Here is the source code for it.unibz.inf.ontop.ontology.impl.NaryAxiomImpl.java

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package it.unibz.inf.ontop.ontology.impl;

/*
 * #%L
 * ontop-obdalib-core
 * %%
 * Copyright (C) 2009 - 2014 Free University of Bozen-Bolzano
 * %%
 * 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.
 * #L%
 */

import com.google.common.collect.ImmutableList;

import it.unibz.inf.ontop.ontology.NaryAxiom;

public class NaryAxiomImpl<T> implements NaryAxiom<T> {

    private static final long serialVersionUID = 4576840836473365808L;

    private final ImmutableList<T> components;

    NaryAxiomImpl(ImmutableList<T> components) {
        if (components.size() < 2)
            throw new IllegalArgumentException("At least two components are expected in NaryAxiom");

        this.components = components;
    }

    @Override
    public ImmutableList<T> getComponents() {
        return components;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof NaryAxiomImpl<?>) {
            NaryAxiomImpl<T> other = (NaryAxiomImpl<T>) obj;
            return components.equals(other.components);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return components.hashCode();
    }

    @Override
    public String toString() {
        return "disjoint(" + components + ")";
    }
}