com.chessix.vas.service.ValidationService.java Source code

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Here is the source code for com.chessix.vas.service.ValidationService.java

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/******************************************************************************
 Copyright 2014 Mark Wigmans
    
 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.chessix.vas.service;

import akka.actor.ActorRef;
import akka.pattern.Patterns;
import akka.util.Timeout;
import com.chessix.vas.actors.messages.Ready;
import com.chessix.vas.db.Account;
import com.chessix.vas.db.DBService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.ObjectUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.stereotype.Service;
import scala.concurrent.Await;

@Service
@Slf4j
public class ValidationService {

    private final static int PAGE_SIZE = 1000;

    private final ISpeedStorage speedStorage;
    private final DBService dbService;
    private final ActorRef batchStorage;

    @Autowired
    public ValidationService(final ClasService clasService, final ISpeedStorage speedStorage,
            final ActorRef batchStorage, final DBService dbService) {
        super();
        this.speedStorage = speedStorage;
        this.dbService = dbService;
        this.batchStorage = batchStorage;
    }

    public Object prepare(final Timeout timeout) throws Exception {
        return Await.result(Patterns.ask(batchStorage, new Ready.RequestBuilder(true).build(), timeout),
                timeout.duration());
    }

    /**
     * Validate given clas, if all accounts have the same value in the different
     * layers.
     */
    public boolean validate(final String clasId) {
        int page = 0;
        boolean result = true;
        Page<Account> accounts;
        do {
            log.debug("validate({}) : page: {}", clasId, page);
            accounts = dbService.findAccountsByClas(clasId, new PageRequest(page, PAGE_SIZE));
            for (final Account account : accounts) {
                final Integer speed = balance(clasId, account.getExternalId());
                final boolean compare = ObjectUtils.compare(speed, account.getBalance()) == 0;
                if (!compare) {
                    log.warn("account {}/{} is out of sync. speed/batch = {}/{}", clasId, account.getExternalId(),
                            speed, account.getBalance());
                }
                result = result && compare;
            }
            page += 1;
        } while (result && accounts.hasNext());
        return result;
    }

    private Integer balance(final String clasId, final String accountId) {
        return speedStorage.get(clasId, accountId);
    }
}