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Simple library for generating code.

There is a newer version: 5.26.0

/*
 * 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.codegen;

abstract class Lookup
{
    static Lookup field( final TypeReference type, final String name )
    {
        return new Lookup()
        {
            @Override
            FieldReference lookup( CodeBlock method )
            {
                FieldReference field = method.clazz.getField( name );
                if ( field == null )
                {
                    throw new IllegalArgumentException(
                            method.clazz.handle() + " has no such field: " + name + " of type " + type );
                }
                else if ( !type.equals( field.type() ) )
                {
                    throw new IllegalArgumentException(
                            method.clazz.handle() + " has no such field: " + name + " of type " + type +
                            ", actual field has type: " + field.type() );
                }
                return field;
            }
        };
    }

    abstract T lookup( CodeBlock method );
}