org.reploop.parser.json.tree.Pair Maven / Gradle / Ivy

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package org.reploop.parser.json.tree;

import org.reploop.parser.json.AstVisitor;
import org.reploop.parser.json.Node;

import java.util.Objects;

/**
 * Key-value pair.
 *
 * @author George Cao([email protected])
 * @since 2016-10-14 20
 */
public class Pair extends Node implements Comparable {
    private final String key;
    private final Value value;

    public Pair(String key, Value value) {
        this.key = key;
        this.value = value;
    }

    public String getKey() {
        return key;
    }

    public Value getValue() {
        return value;
    }

    @Override
    public  R accept(AstVisitor visitor, C context) {
        return visitor.visitPair(this, context);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Pair pair = (Pair) o;
        return Objects.equals(key, pair.key) &&
            Objects.equals(value, pair.value);
    }

    @Override
    public int hashCode() {
        return Objects.hash(key, value);
    }

    @Override
    public String toString() {
        return key + ": " + value;
    }

    @Override
    public int compareTo(Pair o) {
        return key.compareTo(o.getKey());
    }
}