94 lines
3.8 KiB
Java
94 lines
3.8 KiB
Java
/*
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* Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hpcloud.mon.persister.repository;
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import com.codahale.metrics.Timer;
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import com.hpcloud.mon.common.event.AlarmStateTransitionedEvent;
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import com.hpcloud.mon.persister.configuration.MonPersisterConfiguration;
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import io.dropwizard.setup.Environment;
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import org.skife.jdbi.v2.DBI;
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import org.skife.jdbi.v2.PreparedBatch;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import javax.inject.Inject;
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import java.security.NoSuchAlgorithmException;
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import java.sql.SQLException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.TimeZone;
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public class VerticaAlarmStateHistoryRepository extends VerticaRepository {
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private static final Logger logger = LoggerFactory.getLogger(VerticaAlarmStateHistoryRepository.class);
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private final MonPersisterConfiguration configuration;
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private final Environment environment;
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private static final String SQL_INSERT_INTO_ALARM_HISTORY =
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"insert into MonAlarms.StateHistory (tenant_id, alarm_id, old_state, new_state, reason, reason_data, time_stamp) values (:tenant_id, :alarm_id, :old_state, :new_state, :reason, :reason_data, :time_stamp)";
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private PreparedBatch batch;
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private final Timer commitTimer;
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private final SimpleDateFormat simpleDateFormat;
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@Inject
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public VerticaAlarmStateHistoryRepository(DBI dbi, MonPersisterConfiguration configuration,
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Environment environment) throws NoSuchAlgorithmException, SQLException {
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super(dbi);
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logger.debug("Instantiating: " + this);
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this.configuration = configuration;
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this.environment = environment;
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this.commitTimer = this.environment.metrics().timer(this.getClass().getName() + "." + "commits-timer");
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handle.getConnection().setAutoCommit(false);
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batch = handle.prepareBatch(SQL_INSERT_INTO_ALARM_HISTORY);
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handle.begin();
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simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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simpleDateFormat.setTimeZone(TimeZone.getTimeZone("GMT-0"));
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}
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public void addToBatch(AlarmStateTransitionedEvent message) {
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String timeStamp = simpleDateFormat.format(new Date(message.timestamp * 1000));
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batch.add()
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.bind(0, message.tenantId)
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.bind(1, message.alarmId)
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.bind(2, message.oldState.name())
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.bind(3, message.newState.name())
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.bind(4, message.stateChangeReason)
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.bind(5, "{}")
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.bind(6, timeStamp);
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}
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public void flush() {
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commitBatch();
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}
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private void commitBatch() {
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long startTime = System.currentTimeMillis();
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Timer.Context context = commitTimer.time();
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batch.execute();
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handle.commit();
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handle.begin();
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context.stop();
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long endTime = System.currentTimeMillis();
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logger.debug("Commiting batch took " + (endTime - startTime) / 1000 + " seconds");
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}
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} |