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Code responsible for managing capabilities.
There is a newer version: 5.24.0
/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j 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 .
 */
package org.neo4j.capabilities;

import java.util.Objects;

/**
 * This interface provides a declarative way to define capabilities supported.
 *
 * @param  The type of the capability value.
 */
public final class Capability
{
    private final Name name;
    private final Type type;
    private boolean internal;
    private String description;

    public Capability( Name name, Type type )
    {
        this( name, type, "", true );
    }

    private Capability( Name name, Type type, String description, boolean internal )
    {
        this.name = Objects.requireNonNull( name );
        this.type = Objects.requireNonNull( type );
        this.description = Objects.requireNonNull( description );
        this.internal = internal;
    }

    /**
     * Name of the capability, defined as a hierarchy - each level separated by `.` (dot).
     *
     * @return the name.
     */
    public Name name()
    {
        return name;
    }

    /**
     * Description of the capability.
     *
     * @return the description.
     */
    public String description()
    {
        return description;
    }

    /**
     * Whether this capability is reserved for internal use.
     *
     * @return true if the capability is internal, false otherwise.
     */
    public boolean internal()
    {
        return internal;
    }

    /**
     * Type of the capability value.
     *
     * @return the type.
     */
    public Type type()
    {
        return type;
    }

    void setDescription( String description )
    {
        this.description = Objects.requireNonNull( description );
    }

    void setPublic()
    {
        this.internal = false;
    }

    @Override
    public boolean equals( Object o )
    {
        if ( this == o )
        {
            return true;
        }
        if ( o == null || getClass() != o.getClass() )
        {
            return false;
        }
        Capability that = (Capability) o;
        return name.equals( that.name );
    }

    @Override
    public int hashCode()
    {
        return Objects.hash( name );
    }

    @Override
    public String toString()
    {
        return "Capability{" +
               "name=" + name +
               ", type=" + type +
               '}';
    }
}