edu.sdsc.scigraph.annotation.Token.java Source code

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Here is the source code for edu.sdsc.scigraph.annotation.Token.java

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/**
 * Copyright (C) 2014 The SciGraph authors
 *
 * 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.sdsc.scigraph.annotation;

import static java.lang.String.format;

import java.util.Objects;

import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlRootElement;

import com.google.common.collect.Range;

@XmlRootElement
public class Token<T> {

    protected final T token;
    protected final Range<Integer> range;

    Token() {
        this(null, 0, 0);
    }

    public Token(T token, int start, int end) {
        this.token = token;
        this.range = Range.closed(start, end);
    }

    public T getToken() {
        return token;
    }

    @XmlAttribute
    public int getStart() {
        return range.lowerEndpoint();
    }

    @XmlAttribute
    public int getEnd() {
        return range.upperEndpoint();
    }

    @Override
    public String toString() {
        return format("%s %s", getToken().toString(), range);
    }

    @Override
    public final int hashCode() {
        return Objects.hash(token, range);
    }

    @Override
    public final boolean equals(Object obj) {
        if (!(obj instanceof Token)) {
            return false;
        }
        if (this == obj) {
            return true;
        }
        Token<?> other = (Token<?>) obj;
        return Objects.equals(this.token, other.token) && Objects.equals(this.range, other.range);
    }

}