com.cognifide.aet.cleaner.processors.StartMetadataCleanupProcessor.java Source code

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Here is the source code for com.cognifide.aet.cleaner.processors.StartMetadataCleanupProcessor.java

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/**
 * Automated Exploratory Tests
 *
 * Copyright (C) 2013 Cognifide Limited
 *
 * 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 com.cognifide.aet.cleaner.processors;

import com.google.common.base.Function;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.ImmutableList;

import com.cognifide.aet.cleaner.context.CleanerContext;
import com.cognifide.aet.cleaner.processors.filters.DBKeyProjectCompanyPredicate;
import com.cognifide.aet.vs.DBKey;
import com.cognifide.aet.vs.SimpleDBKey;
import com.cognifide.aet.vs.mongodb.MongoDBClient;

import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Collection;

/**
 * Query for all databases and passes them to split.
 */
@Service(StartMetadataCleanupProcessor.class)
@Component
public class StartMetadataCleanupProcessor implements Processor {

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

    private static final Function<String, DBKey> DB_NAMES_TO_DB_KEYS = new Function<String, DBKey>() {
        @Override
        public DBKey apply(String dbName) {
            return new SimpleDBKey(MongoDBClient.getCompanyNameFromDbName(dbName),
                    MongoDBClient.getProjectNameFromDbName(dbName));
        }
    };

    @Reference
    private transient MongoDBClient client;

    @Override
    public void process(Exchange exchange) throws Exception {
        LOGGER.info("Start processing cleaning workflow.");

        final CleanerContext cleanerContext = exchange.getIn().getBody(CleanerContext.class);
        final String companyFilter = cleanerContext.getCompanyFilter();
        final String projectFilter = cleanerContext.getProjectFilter();

        final Collection<String> dbNames = client.getAetsDBNames();
        final DBKeyProjectCompanyPredicate predicate = new DBKeyProjectCompanyPredicate(companyFilter,
                projectFilter);

        final ImmutableList<DBKey> dbKeys = FluentIterable.from(dbNames).transform(DB_NAMES_TO_DB_KEYS)
                .filter(predicate).toList();

        LOGGER.info("Found {} databases matching criteria {}.", dbKeys.size(), predicate);
        exchange.getOut().setHeader(CleanerContext.KEY_NAME, cleanerContext);
        exchange.getOut().setBody(dbKeys);
    }

}