io.fluo.core.client.FluoClientImpl.java Source code

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Here is the source code for io.fluo.core.client.FluoClientImpl.java

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/*
 * Copyright 2014 Fluo authors (see AUTHORS)
 *
 * 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 io.fluo.core.client;

import java.util.concurrent.atomic.AtomicInteger;

import io.fluo.api.client.FluoClient;
import io.fluo.api.client.LoaderExecutor;
import io.fluo.api.client.Snapshot;
import io.fluo.api.client.Transaction;
import io.fluo.api.config.FluoConfiguration;
import io.fluo.core.impl.Environment;
import io.fluo.core.impl.TransactionImpl;
import io.fluo.core.log.TracingTransaction;
import io.fluo.core.metrics.ReporterUtil;
import org.apache.commons.configuration.Configuration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Implementation of Fluo Client
 */
public class FluoClientImpl implements FluoClient {

    private static final Logger log = LoggerFactory.getLogger(FluoClientImpl.class);
    private static final AtomicInteger reporterCounter = new AtomicInteger(1);

    private FluoConfiguration config;
    private Environment env;
    private AutoCloseable reporter;

    public static final AutoCloseable setupReporters(Environment env, String id, AtomicInteger reporterCounter) {
        return ReporterUtil.setupReporters(env,
                FluoConfiguration.FLUO_PREFIX + "." + id + "." + reporterCounter.getAndIncrement());
    }

    public FluoClientImpl(FluoConfiguration config) {
        this.config = config;
        if (!config.hasRequiredClientProps()) {
            String msg = "Client configuration is missing required properties";
            log.error(msg);
            throw new IllegalArgumentException(msg);
        }
        try {
            this.env = new Environment(config);
        } catch (Exception e) {
            throw new IllegalStateException(e);
        }

        reporter = setupReporters(env, "client", reporterCounter);
    }

    @Override
    public LoaderExecutor newLoaderExecutor() {
        try {
            return new LoaderExecutorImpl(config, env);
        } catch (Exception e) {
            log.error("Failed to create a LoaderExecutor");
            throw new IllegalStateException(e);
        }
    }

    @Override
    public Snapshot newSnapshot() {
        TransactionImpl tx = new TransactionImpl(env);
        if (TracingTransaction.isTracingEnabled())
            return new TracingTransaction(tx);
        return tx;
    }

    @Override
    public Transaction newTransaction() {
        TransactionImpl tx = new TransactionImpl(env);
        if (TracingTransaction.isTracingEnabled())
            return new TracingTransaction(tx);
        return tx;
    }

    @Override
    public Configuration getAppConfiguration() {
        return env.getAppConfiguration();
    }

    @Override
    public void close() {
        env.close();
        try {
            reporter.close();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}