Java tutorial
/* * Copyright 2014-present 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.spring.data.gemfire.cache; import static org.hamcrest.CoreMatchers.*; import static org.junit.Assert.*; import java.io.IOException; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; import javax.annotation.Resource; import com.gemstone.gemfire.cache.Region; import org.junit.Before; import org.junit.BeforeClass; import org.junit.Test; import org.junit.runner.RunWith; import org.spring.data.gemfire.AbstractGemFireIntegrationTest; import org.springframework.data.gemfire.function.annotation.GemfireFunction; import org.springframework.data.gemfire.function.execution.GemfireOnRegionFunctionTemplate; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; /** * The ClientCacheFunctionExecutionWithStreamingTest class... * <p> * @author John Blum * @see org.junit.Test * @see org.junit.runner.RunWith * @see org.springframework.test.context.ContextConfiguration * @see org.springframework.test.context.junit4.SpringJUnit4ClassRunner * @since 1.0.0 */ @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration @SuppressWarnings("unused") public class ClientCacheFunctionExecutionWithStreamingTest extends AbstractGemFireIntegrationTest { @Resource(name = "Collections") private Region<String, Object> collections; @Resource(name = "Numbers") private Region<String, Integer> numbers; @BeforeClass public static void startGemFireServer() throws IOException { startSpringGemFireServer( toPathname(ClientCacheFunctionExecutionWithStreamingTest.class).concat("-server-context.xml")); } @Before public void setup() { assertRegion(numbers, "Numbers"); numbers.put("one", 1); numbers.put("two", 2); numbers.put("three", 3); numbers.put("four", 4); numbers.put("five", 5); assertRegion(collections, "Collections"); collections.put("one", new ArrayList<Integer>(Arrays.asList(0, 1, 2, 3, 4, 5, 6, 7, 8, 9))); collections.put("two", new ArrayList<String>(Arrays.asList("assert", "mock", "test"))); } @Test public void testClientServerFunctionExecution() { GemfireOnRegionFunctionTemplate onNumbersFunctionTemplate = new GemfireOnRegionFunctionTemplate(numbers); assertThat(onNumbersFunctionTemplate.executeAndextract("addition", Collections.emptySet(), "one", "two"), is(equalTo(3))); GemfireOnRegionFunctionTemplate onCollectionsFunctionTemplate = new GemfireOnRegionFunctionTemplate( collections); List<Object> integers = onCollectionsFunctionTemplate.executeAndextract("streaming", Collections.emptySet(), "one"); assertNotNull(integers); //assertEquals(10, integers.size()); //assertTrue(integers.containsAll(Arrays.asList(0, 1, 2, 3, 4, 5, 6, 7, 8, 9))); assertEquals(2, integers.size()); assertTrue(integers.containsAll(Arrays.asList(0, 1))); assertThat(onNumbersFunctionTemplate.executeAndextract("addition", Collections.emptySet(), "four", "five"), is(equalTo(9))); List<Object> strings = onCollectionsFunctionTemplate.executeAndextract("streaming", Collections.emptySet(), "two"); assertNotNull(strings); //assertEquals(3, strings.size()); //assertTrue(strings.containsAll(Arrays.asList("assert", "mock", "test"))); assertEquals(2, strings.size()); assertTrue(strings.containsAll(Arrays.asList("assert", "mock"))); } public static class GemFireServerFunctions { @GemfireFunction(id = "addition") public Integer addition(final String keyOne, final String keyTwo, final Region<String, Integer> region) { return (region.get(keyOne) + region.get(keyTwo)); } @GemfireFunction(id = "streaming", batchSize = 2) public List streaming(final String key, final Region<String, Iterable<Object>> region) { return List.class.cast(region.get(key)); } } }