/*
* 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 org.springframework.data.gemfire.support;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.Properties;
import org.apache.geode.cache.Cache;
import org.apache.geode.cache.execute.Function;
import org.apache.geode.cache.execute.FunctionContext;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.gemfire.function.sample.HelloFunctionExecution;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* Integration test to test the functionality of a GemFire Function implementing the Spring Data GemFire
* {@link LazyWiringDeclarableSupport} class, defined using native GemFire configuration meta-data
* (i.e {@literal cache.xml}).
*
* @author John Blum
* @see org.junit.Test
* @see org.springframework.test.context.ContextConfiguration
* @see org.springframework.test.context.junit4.SpringRunner
* @since 1.7.0
*/
@RunWith(SpringRunner.class)
@ContextConfiguration
@SuppressWarnings("unused")
public class LazyWiringDeclarableSupportFunctionBasedIntegrationTests {
@Autowired
private Cache gemfireCache;
@Autowired
private HelloFunctionExecution helloFunctionExecution;
/*
@BeforeClass
public static void setupBeforeClass() {
Cache gemfireCache = new CacheFactory()
.set("name", LazyWiringDeclarableSupportFunctionBasedIntegrationTests.class.getSimpleName())
.set("mcast-port", "0")
.set("log-level", "config")
.set("cache-xml-file", null)
.create();
assertThat(gemfireCache, is(notNullValue()));
assertThat(SpringContextBootstrappingInitializer.getApplicationContext(), is(notNullValue()));
}
@AfterClass
public static void tearDownAfterClass() {
CacheFactory.getAnyInstance().close();
}
*/
@Test
public void helloGreeting() {
assertThat(helloFunctionExecution.hello(null)).isEqualTo("Hello Everyone!");
}
protected static abstract class FunctionAdaptor extends LazyWiringDeclarableSupport implements Function {
private final String id;
FunctionAdaptor(String id) {
Assert.hasText(id, "Function ID must be specified");
this.id = id;
}
@Override
public String getId() {
return id;
}
@Override
public boolean hasResult() {
return true;
}
@Override
public boolean isHA() {
return false;
}
@Override
public boolean optimizeForWrite() {
return false;
}
}
@SuppressWarnings("all")
public static class HelloGemFireFunction extends FunctionAdaptor {
protected static final String ADDRESS_TO_PARAMETER = "hello.address.to";
protected static final String DEFAULT_ADDRESS_TO = "World";
protected static final String HELLO_GREETING = "Hello %1$s!";
protected static final String ID = "hello";
@Value("${hello.default.address.to}")
private String defaultAddressTo;
private String addressTo;
public HelloGemFireFunction() {
super(ID);
}
protected String getAddressTo() {
return addressTo;
}
protected String getDefaultAddressTo() {
return (StringUtils.hasText(defaultAddressTo) ? defaultAddressTo : DEFAULT_ADDRESS_TO);
}
@Override
protected void doPostInit(final Properties parameters) {
addressTo = parameters.getProperty(ADDRESS_TO_PARAMETER, getDefaultAddressTo());
}
@Override
public void execute(final FunctionContext context) {
context.getResultSender().lastResult(formatHelloGreeting(addressTo(context)));
}
// precedence is... 1. Caller 2. GemFire 3. Spring
protected String addressTo(FunctionContext context) {
Object arguments = context.getArguments();
String addressTo = null;
if (arguments instanceof Object[]) {
Object[] args = (Object[]) arguments;
addressTo = (args.length > 0 && args[0] != null ? String.valueOf(args[0]) : null);
}
else if (arguments != null) {
addressTo = String.valueOf(arguments);
}
return (StringUtils.hasText(addressTo) ? addressTo : getAddressTo());
}
protected String formatHelloGreeting(String addressTo) {
return String.format(HELLO_GREETING, addressTo);
}
}
}