example.app.config.gemfire.GemFireConfiguration.java Source code

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Here is the source code for example.app.config.gemfire.GemFireConfiguration.java

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/*
 * Copyright 2016 the original author or 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 example.app.config.gemfire;

import java.util.Properties;

import com.gemstone.gemfire.cache.GemFireCache;
import com.gemstone.gemfire.cache.PartitionAttributes;
import com.gemstone.gemfire.cache.RegionAttributes;

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.DependsOn;
import org.springframework.data.gemfire.CacheFactoryBean;
import org.springframework.data.gemfire.IndexFactoryBean;
import org.springframework.data.gemfire.IndexType;
import org.springframework.data.gemfire.PartitionAttributesFactoryBean;
import org.springframework.data.gemfire.PartitionedRegionFactoryBean;
import org.springframework.data.gemfire.RegionAttributesFactoryBean;

import example.app.RepositoryExampleApplication;
import example.app.model.Contact;
import example.app.model.Customer;

/**
 * Spring @{@link Configuration} class used to configure and bootstrap Apache Geode (or Pivotal GemFire)
 * as an embedded cache used as the application's system of record (SOR).
 *
 * @author John Blum
 * @see org.springframework.context.annotation.Bean
 * @see org.springframework.context.annotation.Configuration
 * @see com.gemstone.gemfire.cache.GemFireCache
 * @see example.app.RepositoryExampleApplication
 * @see example.app.config.ApplicationConfiguration
 * @since 1.0.0
 */
@Configuration
@SuppressWarnings("unused")
public class GemFireConfiguration {

    protected static final String DEFAULT_GEMFIRE_LOG_LEVEL = "config";

    protected String applicationName() {
        return RepositoryExampleApplication.class.getSimpleName();
    }

    protected String logLevel() {
        return System.getProperty("gemfire.log-level", DEFAULT_GEMFIRE_LOG_LEVEL);
    }

    public Properties gemfireProperties() {
        Properties gemfireProperties = new Properties();

        gemfireProperties.setProperty("name", applicationName());
        gemfireProperties.setProperty("mcast-port", "0");
        gemfireProperties.setProperty("log-level", logLevel());

        return gemfireProperties;
    }

    @Bean
    public CacheFactoryBean gemfireCache() {
        CacheFactoryBean gemfireCache = new CacheFactoryBean();

        gemfireCache.setClose(true);
        gemfireCache.setProperties(gemfireProperties());

        return gemfireCache;
    }

    @Bean(name = "Contacts")
    //@DependsOn("Customers")
    public PartitionedRegionFactoryBean<Long, Contact> contactsRegion(GemFireCache gemfireCache,
            @Qualifier("contactsRegionAttributes") RegionAttributes<Long, Contact> contactsRegionAttributes) {

        PartitionedRegionFactoryBean<Long, Contact> contactsRegion = new PartitionedRegionFactoryBean<>();

        contactsRegion.setAttributes(contactsRegionAttributes);
        contactsRegion.setCache(gemfireCache);
        contactsRegion.setClose(false);
        contactsRegion.setPersistent(false);

        return contactsRegion;
    }

    @Bean
    @SuppressWarnings("unchecked")
    public RegionAttributesFactoryBean contactsRegionAttributes(
            @Qualifier("contactsRegionPartitionAttributes") PartitionAttributes contactsRegionPartitionAttributes) {

        RegionAttributesFactoryBean contactsRegionAttributes = new RegionAttributesFactoryBean();

        contactsRegionAttributes.setKeyConstraint(Long.class);
        contactsRegionAttributes.setValueConstraint(Contact.class);
        contactsRegionAttributes.setPartitionAttributes(contactsRegionPartitionAttributes);

        return contactsRegionAttributes;
    }

    @Bean
    public PartitionAttributesFactoryBean contactsRegionPartitionAttributes() {
        PartitionAttributesFactoryBean contactsRegionPartitionAttributes = new PartitionAttributesFactoryBean();

        contactsRegionPartitionAttributes.setColocatedWith("/Customers");
        contactsRegionPartitionAttributes.setRedundantCopies(1);

        return contactsRegionPartitionAttributes;
    }

    @Bean(name = "Customers")
    public PartitionedRegionFactoryBean<Long, Customer> customersRegion(GemFireCache gemfireCache,
            @Qualifier("customersRegionAttributes") RegionAttributes<Long, Customer> customersRegionAttributes) {

        PartitionedRegionFactoryBean<Long, Customer> customersRegion = new PartitionedRegionFactoryBean<>();

        customersRegion.setAttributes(customersRegionAttributes);
        customersRegion.setCache(gemfireCache);
        customersRegion.setClose(false);
        customersRegion.setPersistent(false);

        return customersRegion;
    }

    @Bean
    @SuppressWarnings("unchecked")
    public RegionAttributesFactoryBean customersRegionAttributes(
            PartitionAttributes<Long, Customer> customersRegionPartitionAttributes) {

        RegionAttributesFactoryBean customersRegionAttributes = new RegionAttributesFactoryBean();

        customersRegionAttributes.setKeyConstraint(Long.class);
        customersRegionAttributes.setValueConstraint(Customer.class);
        customersRegionAttributes.setPartitionAttributes(customersRegionPartitionAttributes);

        return customersRegionAttributes;
    }

    @Bean
    public PartitionAttributesFactoryBean customersRegionPartitionAttributes() {
        PartitionAttributesFactoryBean customersRegionPartitionAttributes = new PartitionAttributesFactoryBean();

        customersRegionPartitionAttributes.setRedundantCopies(1);

        return customersRegionPartitionAttributes;
    }

    @Bean
    @DependsOn("Contacts")
    public IndexFactoryBean emailIndex(GemFireCache gemfireCache) {
        IndexFactoryBean lastNameIndex = new IndexFactoryBean();

        lastNameIndex.setCache(gemfireCache);
        lastNameIndex.setExpression("email");
        lastNameIndex.setFrom("/Contacts");
        lastNameIndex.setName("EmailIdx");
        lastNameIndex.setType(IndexType.HASH);

        return lastNameIndex;
    }

    @Bean
    @DependsOn("Contacts")
    public IndexFactoryBean lastNameIndex(GemFireCache gemfireCache) {
        IndexFactoryBean lastNameIndex = new IndexFactoryBean();

        lastNameIndex.setCache(gemfireCache);
        lastNameIndex.setExpression("person.lastName");
        lastNameIndex.setFrom("/Contacts");
        lastNameIndex.setName("PersonLastNameIdx");
        lastNameIndex.setType(IndexType.HASH);

        return lastNameIndex;
    }
}