/*
 * Copyright (c) 2013-2014, Parallel Universe Software Co. All rights reserved.
 * 
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *  
 *   or (per the licensee's choosing)
 *  
 * under the terms of the GNU Lesser General Public License version 3.0
 * as published by the Free Software Foundation.
 */
package co.paralleluniverse.data.record;

/**
 *
 * @author pron
 */
public abstract class DynamicRecord<R> extends AbstractRecord<R> {
    private final RecordType.Entry[] vtable;
    final Object obj;

    DynamicRecord(RecordType<R> recordType, Object target) {
        super(recordType);
        final RecordType.ClassInfo ci = recordType.getClassInfo(target.getClass());
        this.vtable = ci.table;
        this.obj = target;
    }

//    protected DynamicRecord(DynamicRecordType<R> recordType) {
//        this.vtable = recordType.getClassInfo(this.getClass()).table;
//        this.fieldSet = recordType.fieldSet();
//        this.obj = this;
//    }

    RecordType.Entry entry(Field<? super R, ?> field) {
        try {
            return vtable[field.id()];
        } catch (IndexOutOfBoundsException e) {
            throw new FieldNotFoundException(field, obj);
        }
    }
    
    void checkReadOnly(RecordType.Entry entry, Field<? super R, ?> field) {
        if(entry.readOnly)
            throw new ReadOnlyFieldException(field, this);
    }

    abstract boolean[] get(Field.BooleanArrayField<? super R> field);

    abstract byte[] get(Field.ByteArrayField<? super R> field);

    abstract short[] get(Field.ShortArrayField<? super R> field);

    abstract int[] get(Field.IntArrayField<? super R> field);

    abstract long[] get(Field.LongArrayField<? super R> field);

    abstract float[] get(Field.FloatArrayField<? super R> field);

    abstract double[] get(Field.DoubleArrayField<? super R> field);

    abstract char[] get(Field.CharArrayField<? super R> field);

    abstract <V> V[] get(Field.ObjectArrayField<? super R, V> field);
}