001/*
002 * (C) Copyright 2006-2012 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Bogdan Stefanescu
018 *     Florent Guillaume
019 */
020package org.nuxeo.ecm.core.schema.types;
021
022import org.nuxeo.ecm.core.schema.SchemaNames;
023
024/**
025 * Type representing any type (for lists).
026 */
027public final class AnyType extends AbstractType {
028
029    private static final long serialVersionUID = 1L;
030
031    public static final String ID = "any";
032
033    public static final AnyType INSTANCE = new AnyType();
034
035    private AnyType() {
036        super(null, SchemaNames.BUILTIN, ID);
037    }
038
039    @Override
040    public Type getSuperType() {
041        return null;
042    }
043
044    @Override
045    public Type[] getTypeHierarchy() {
046        return EMPTY_SUPERTYPES;
047    }
048
049    @Override
050    public boolean isAnyType() {
051        return true;
052    }
053
054    @Override
055    public boolean validate(Object object) {
056        return true;
057    }
058
059    @Override
060    public Object convert(Object object) {
061        return object;
062    }
063
064    protected Object readResolve() {
065        return INSTANCE;
066    }
067
068}