/*
 * Copyright 2019 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jbpm.document.service.impl;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlRootElement;

import org.jbpm.document.DocumentCollection;

/**
 * A collection of {@link DocumentImpl}.
 */
@XmlAccessorType(XmlAccessType.FIELD)
@XmlRootElement(name = "documentcollection-object")
public class DocumentCollectionImpl implements DocumentCollection<DocumentImpl> {

    private static final long serialVersionUID = 1314653812921110025L;
    
    private List<DocumentImpl> documents;

    public DocumentCollectionImpl() {
        this.documents = new ArrayList<>();
    }

    public DocumentCollectionImpl(List<DocumentImpl> documents) {
        this.documents = new ArrayList<DocumentImpl>(documents);
    }

    @Override
    public void addDocument(DocumentImpl document) {
        documents.add(document);
    }

    @Override
    public List<DocumentImpl> getDocuments() {
        return Collections.unmodifiableList(documents);
    }
    
}