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package org.jooq;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

A directed, acyclic graph of Version objects. 
 The graph is exposed as Iterable in no defined iteration order. 

This is EXPERIMENTAL functionality and subject to change in future jOOQ
versions.
Author:
Lukas Eder/**
 * A directed, acyclic graph of {@link Version} objects.
 * <p>
 * The graph is exposed as {@link Iterable} in no defined iteration order.
 * <p>
 * This is EXPERIMENTAL functionality and subject to change in future jOOQ
 * versions.
 *
 * @author Lukas Eder
 */
@Internal
public interface Versions extends Iterable<Version> {

    
The root version of this graph.
/**
     * The root version of this graph.
     */
    @NotNull
    Version root();

    
Find a version by its id, or null, if no such version was
found.
/**
     * Find a version by its id, or <code>null</code>, if no such version was
     * found.
     */
    @Nullable
    Version get(String id);
}