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AxiomImpl.java
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AxiomImpl.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.ontodriver.model;
import java.util.Objects;
public final class AxiomImpl<T> implements Axiom<T> {
private final NamedResource subject;
private final Assertion assertion;
private final Value<T> value;
public AxiomImpl(NamedResource subject, Assertion assertion, Value<T> value) {
this.subject = Objects.requireNonNull(subject);
this.assertion = Objects.requireNonNull(assertion);
this.value = Objects.requireNonNull(value);
}
@Override
public NamedResource getSubject() {
return subject;
}
@Override
public Assertion getAssertion() {
return assertion;
}
@Override
public Value<T> getValue() {
return value;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((assertion == null) ? 0 : assertion.hashCode());
result = prime * result + ((subject == null) ? 0 : subject.hashCode());
result = prime * result + ((value == null) ? 0 : value.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
AxiomImpl<?> other = (AxiomImpl<?>) obj;
if (assertion == null) {
if (other.assertion != null)
return false;
} else if (!assertion.equals(other.assertion))
return false;
if (subject == null) {
if (other.subject != null)
return false;
} else if (!subject.equals(other.subject))
return false;
if (value == null) {
if (other.value != null)
return false;
} else if (!value.equals(other.value))
return false;
return true;
}
@Override
public String toString() {
return "[" + subject + " " + assertion + " " + value + "]";
}
}