com.linuxbox.enkive.message.search.AbstractMessageSearchService.java Source code

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Here is the source code for com.linuxbox.enkive.message.search.AbstractMessageSearchService.java

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/*******************************************************************************
 * Copyright 2013 The Linux Box Corporation.
 *
 * This file is part of Enkive CE (Community Edition).
 *
 * Enkive CE is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * Enkive CE 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with Enkive CE. If not, see
 * <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package com.linuxbox.enkive.message.search;

import java.util.Date;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;
import java.util.concurrent.FutureTask;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.scheduling.annotation.Async;

import com.linuxbox.enkive.docsearch.DocSearchQueryService;
import com.linuxbox.enkive.message.search.exception.MessageSearchException;
import com.linuxbox.enkive.workspace.WorkspaceException;
import com.linuxbox.enkive.workspace.searchResult.SearchResult;
import com.linuxbox.enkive.workspace.searchResult.SearchResult.Status;
import com.linuxbox.enkive.workspace.searchResult.SearchResultBuilder;

public abstract class AbstractMessageSearchService implements MessageSearchService {

    protected static final Log LOGGER = LogFactory.getLog("com.linuxbox.enkive.message.search");

    protected DocSearchQueryService docSearchService;
    protected SearchResultBuilder searchResultBuilder;

    @Override
    public SearchResult search(Map<String, String> fields) throws MessageSearchException {
        try {
            // build an object to hold the search results; search is done
            // further below
            SearchResult result = searchResultBuilder.getSearchResult();
            LOGGER.trace("AbstractMessageSearchService.search function looking for messages w/ following criteria: "
                    + fields.toString());

            // do the search
            final Set<String> resultMessageIDs = searchImpl(fields);

            // complete the search result data
            result.setMessageIds(resultMessageIDs);
            result.setTimestamp(new Date());
            result.setStatus(Status.COMPLETE);

            return result;
        } catch (WorkspaceException e) {
            throw new MessageSearchException("Could not create new search result", e);
        }
    }

    @Override
    @Async
    public Future<SearchResult> searchAsync(final Map<String, String> fields) throws MessageSearchException {
        FutureTask<SearchResult> searchFuture = new FutureTask<SearchResult>(new Callable<SearchResult>() {
            public SearchResult call() {
                SearchResult result = null;
                try {
                    result = search(fields);
                } catch (MessageSearchException e) {
                    if (LOGGER.isWarnEnabled())
                        LOGGER.warn("Error Searching for message", e);
                }
                return result;
            }
        });
        searchFuture.run();
        return searchFuture;
    }

    protected abstract Set<String> searchImpl(Map<String, String> fields) throws MessageSearchException;

    public DocSearchQueryService getDocSearchService() {
        return docSearchService;
    }

    @Required
    public void setDocSearchService(DocSearchQueryService docSearchService) {
        this.docSearchService = docSearchService;
    }

    public SearchResultBuilder getSearchResultBuilder() {
        return searchResultBuilder;
    }

    @Required
    public void setSearchResultBuilder(SearchResultBuilder searchResultBuilder) {
        this.searchResultBuilder = searchResultBuilder;
    }
}