net.ageto.gyrex.impex.persistence.cassandra.CassandraModelManagerMetrics.java Source code

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Here is the source code for net.ageto.gyrex.impex.persistence.cassandra.CassandraModelManagerMetrics.java

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/*******************************************************************************
 * Copyright (c) 2010 AGETO Service GmbH and others.
 * All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html.
 *
 * Contributors:
 *     Mario Mokros - initial API and implementation
 *******************************************************************************/
package net.ageto.gyrex.impex.persistence.cassandra;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import net.ageto.gyrex.impex.persistence.cassandra.storage.CassandraRepositoryImpl;
import net.ageto.gyrex.impex.persistence.cassandra.storage.internal.CassandraRepository;

import org.apache.commons.lang.exception.ExceptionUtils;
import org.eclipse.gyrex.context.IRuntimeContext;
import org.eclipse.gyrex.model.common.provider.BaseModelManager;
import org.eclipse.gyrex.model.common.provider.BaseModelManagerMetrics;
import org.eclipse.gyrex.monitoring.metrics.BaseMetric;
import org.eclipse.gyrex.monitoring.metrics.ErrorMetric;
import org.eclipse.gyrex.monitoring.metrics.ThroughputMetric;

/**
 * Basic metrics for {@link CarbonadoModelManager}.
 */
public class CassandraModelManagerMetrics extends BaseModelManagerMetrics {

    private final ThroughputMetric findByIdThroughput;
    private final ThroughputMetric findByAttributeThroughput;
    private final ThroughputMetric persistThroughput;
    private final ThroughputMetric deleteThroughput;
    private final ThroughputMetric queryThroughput;
    private final ThroughputMetric transactionThroughput;
    private final org.eclipse.gyrex.monitoring.metrics.ErrorMetric errors;

    /**
     * Creates a new instance.
     *
     * @param id
     * @param managerClass
     * @param context
     * @param repository
     * @param metrics
     *            (additional metrics)
     */
    public CassandraModelManagerMetrics(final String id,
            final Class<? extends BaseModelManager<CassandraRepositoryImpl>> managerClass,
            final IRuntimeContext context, final CassandraRepository repository, final BaseMetric... metrics) {
        super(id, managerClass, context, repository, combineWithMyMetrics(metrics));
        final int offset = null != metrics ? metrics.length : 0;
        findByIdThroughput = getMetric(offset, ThroughputMetric.class);
        findByAttributeThroughput = getMetric(offset + 1, ThroughputMetric.class);
        persistThroughput = getMetric(offset + 2, ThroughputMetric.class);
        deleteThroughput = getMetric(offset + 3, ThroughputMetric.class);
        queryThroughput = getMetric(offset + 4, ThroughputMetric.class);
        transactionThroughput = getMetric(offset + 5, ThroughputMetric.class);
        errors = getMetric(offset + 6, org.eclipse.gyrex.monitoring.metrics.ErrorMetric.class);
    }

    private static BaseMetric[] combineWithMyMetrics(final BaseMetric... metrics) {
        final List<BaseMetric> combinedMetrics = new ArrayList<BaseMetric>();
        if ((null != metrics) && (metrics.length > 0)) {
            combinedMetrics.addAll(Arrays.asList(metrics));
        }
        combinedMetrics.add(new ThroughputMetric("findById"));
        combinedMetrics.add(new ThroughputMetric("findByAttribute"));
        combinedMetrics.add(new ThroughputMetric("persist"));
        combinedMetrics.add(new ThroughputMetric("delete"));
        combinedMetrics.add(new ThroughputMetric("query"));
        combinedMetrics.add(new ThroughputMetric("transactions"));
        combinedMetrics.add(new ErrorMetric("errors", 0));
        return combinedMetrics.toArray(new BaseMetric[combinedMetrics.size()]);
    }

    /**
     * Returns the findByIdThroughput.
     *
     * @return the findByIdThroughput
     */
    public ThroughputMetric getFindByIdThroughput() {
        return findByIdThroughput;
    }

    /**
     * Returns the errors.
     *
     * @return the errors
     */
    public org.eclipse.gyrex.monitoring.metrics.ErrorMetric getErrors() {
        return errors;
    }

    /**
     * Returns the deleteThroughput.
     *
     * @return the deleteThroughput
     */
    public ThroughputMetric getDeleteThroughput() {
        return deleteThroughput;
    }

    /**
     * Returns the findByAttributeThroughput.
     *
     * @return the findByAttributeThroughput
     */
    public ThroughputMetric getFindByAttributeThroughput() {
        return findByAttributeThroughput;
    }

    /**
     * Returns the persistThroughput.
     *
     * @return the persistThroughput
     */
    public ThroughputMetric getPersistThroughput() {
        return persistThroughput;
    }

    /**
     * Returns the queryThroughput.
     *
     * @return the queryThroughput
     */
    public ThroughputMetric getQueryThroughput() {
        return queryThroughput;
    }

    /**
     * Returns the transactionThroughput.
     *
     * @return the transactionThroughput
     */
    public ThroughputMetric getTransactionThroughput() {
        return transactionThroughput;
    }

    public void recordError(final Exception e) {
        getErrors().setLastError(ExceptionUtils.getRootCauseMessage(e), ExceptionUtils.getFullStackTrace(e));
    }
}