UpdateResponseImpl.java

/**
 * Copyright (c) Codice Foundation
 * <p/>
 * This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
 * General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or any later version.
 * <p/>
 * 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
 * Lesser General Public License for more details. A copy of the GNU Lesser General Public License
 * is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 */
package ddf.catalog.operation.impl;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import ddf.catalog.data.Metacard;
import ddf.catalog.operation.Update;
import ddf.catalog.operation.UpdateRequest;
import ddf.catalog.operation.UpdateResponse;

/**
 * The UpdateResponseImpl represents a default implementation of an {@link UpdateRequest}
 */
public class UpdateResponseImpl extends ResponseImpl<UpdateRequest> implements UpdateResponse {

    private static final Logger LOGGER = LoggerFactory
            .getLogger(UpdateResponseImpl.class.getName());

    protected List<Update> updatedMetacards;

    /**
     * Instantiates a new UpdateResponseImpl.
     *
     * @param request
     *            the original request
     * @param properties
     *            the properties associated with the operation
     * @param updatedMetacards
     *            the updated metacards
     */
    public UpdateResponseImpl(UpdateRequest request, Map<String, Serializable> properties,
            List<Update> updatedMetacards) {
        super(request, properties);
        this.updatedMetacards = updatedMetacards;
    }

    /**
     * Instantiates a new UpdateResponseImpl with old and new {@link Metacard}(s).
     *
     * @param request
     *            the original request
     * @param properties
     *            the properties associated with the operation
     * @param updatedMetacards
     *            the updated metacards
     * @param oldMetacards
     *            the old metacards (prior to the updates)
     */
    public UpdateResponseImpl(UpdateRequest request, Map<String, Serializable> properties,
            List<Metacard> updatedMetacards, List<Metacard> oldMetacards) {
        super(request, properties);
        if (updatedMetacards != null && oldMetacards != null) {
            int size = updatedMetacards.size();
            int oldSize = oldMetacards.size();
            LOGGER.trace("Updated Metacard size: {}", size);
            LOGGER.trace("old Metacard Size: {}", oldSize);

            if (size == oldSize) {
                this.updatedMetacards = new ArrayList<Update>(size);
                for (int i = 0; i < size; i++) {
                    this.updatedMetacards
                            .add(new UpdateImpl(updatedMetacards.get(i), oldMetacards.get(i)));
                }
            } else {
                throw new IllegalArgumentException(
                        "UpdatedMetacard List and oldMetacardList must be the same size");
            }
        }

    }

    /*
     * (non-Javadoc)
     * 
     * @see ddf.catalog.operation.UpdateResponse#getUpdatedMetacards()
     */
    @Override
    public List<Update> getUpdatedMetacards() {
        return updatedMetacards;
    }

}