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TP-1259: Add Partitioned Space (#54)
* TP-1259: Add Partitioned Space * Converted from legacy code * Re-implemented using `PartitionedPu` under the hood instead of a separate implementation * Test class cannot be run without using a gs license (will work in later versions) * Backport possibility to configure `PartitionedPuConfigurer` and `MirrorPuConfigurer` with `Resource` from `main` branch
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,215 @@ | ||
| /* | ||
| * Copyright 2017 Avanza Bank AB | ||
| * | ||
| * 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 com.avanza.gs.test; | ||
|
|
||
| import static java.nio.charset.StandardCharsets.UTF_8; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.UncheckedIOException; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
|
|
||
| import org.junit.rules.TestRule; | ||
| import org.junit.runner.Description; | ||
| import org.junit.runners.model.Statement; | ||
| import org.openspaces.core.GigaSpace; | ||
| import org.openspaces.core.space.UrlSpaceConfigurer; | ||
| import org.springframework.core.io.FileSystemResource; | ||
| import org.springframework.util.StreamUtils; | ||
|
|
||
| /** | ||
| * Utility class to create a partitioned space without backups. | ||
| * <p> | ||
| * Individual primary instances can be retrieved by using the {@code partition(ID)} method. An url to the | ||
| * cluster can be retrieved through the {@code getUrl()} method. | ||
| * | ||
| * @deprecated This class is provided for backwards compatibility. | ||
| * For a simple test with no need for partitions, {@link EmbeddedSpace} can be used instead. | ||
| * For more complex tests, use {@link PuConfigurers} to set up a {@code partitionedPu}. | ||
| */ | ||
| @Deprecated | ||
| public class PartitionedSpace implements TestRule { | ||
|
|
||
| private final GigaSpace[] instances; | ||
| private final RunningPu partitionedPu; | ||
| private final Path puXml; | ||
| private final String spaceName; | ||
| private final String groupName; | ||
| private final int numberOfPartitions; | ||
|
|
||
| private boolean started = false; | ||
|
|
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| /** | ||
| * Creates a partitioned space with a given number of partitions. | ||
| * | ||
| * @param numberOfPartitions (must be at least 2). | ||
| * @throws IllegalArgumentException if numberOfPartitions is less than 2. | ||
| */ | ||
| public PartitionedSpace(int numberOfPartitions) { | ||
| this(numberOfPartitions, "testSpace"); | ||
| } | ||
|
|
||
| /** | ||
| * Creates a partitioned space with a given number of partitions. | ||
| * | ||
| * @param numberOfPartitions (must be at least 2). | ||
| * @param spaceName name of the space to create. | ||
| * | ||
| * @throws IllegalArgumentException if numberOfPartitions is less than 2. | ||
| * @throws IllegalArgumentException if spaceName is empty string. | ||
| * @throws NullPointerException if spaceName is null. | ||
| */ | ||
| public PartitionedSpace(int numberOfPartitions, String spaceName) { | ||
| this(numberOfPartitions, spaceName, JVMGlobalLus.getLookupGroupName()); | ||
| } | ||
|
|
||
| public PartitionedSpace(int numberOfPartitions, String spaceName, String lookupGroupName) { | ||
| if (numberOfPartitions < 2) { | ||
| throw new IllegalArgumentException("Number of partitions must be at least 2, was " + numberOfPartitions); | ||
| } | ||
| if (spaceName.isEmpty()) { | ||
| throw new IllegalArgumentException("Space name must not be empty"); | ||
| } | ||
| this.numberOfPartitions = numberOfPartitions; | ||
| this.groupName = lookupGroupName; | ||
| this.spaceName = spaceName; | ||
| this.instances = new GigaSpace[numberOfPartitions]; | ||
| this.puXml = writePuXml(spaceName); | ||
| this.partitionedPu = PuConfigurers.partitionedPu(new FileSystemResource(puXml.toFile())) | ||
| .lookupGroup(lookupGroupName) | ||
| .spaceName(spaceName) | ||
| .numberOfPrimaries(numberOfPartitions) | ||
| .numberOfBackups(0) | ||
| .configure(); | ||
|
|
||
| start(); | ||
| } | ||
|
|
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| private static Path writePuXml(String spaceName) { | ||
| try (InputStream in = PartitionedSpace.class.getResourceAsStream("/partitioned_space/simple-pu.xml.template")) { | ||
| Path tempFile = Files.createTempFile("partitioned-space-", ".xml"); | ||
| String content = StreamUtils.copyToString(in, UTF_8) | ||
| .replace("##SPACE_NAME##", spaceName); | ||
| return Files.write(tempFile, content.getBytes(UTF_8)); | ||
| } catch (IOException e) { | ||
| throw new UncheckedIOException(e); | ||
| } | ||
| } | ||
|
|
||
| public void start() { | ||
| if (started) { | ||
| return; | ||
| } | ||
| try { | ||
| partitionedPu.start(); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException("Could not start partitionedPu", e); | ||
| } | ||
| for (int instanceId = 1; instanceId <= numberOfPartitions; instanceId ++) { | ||
| instances[instanceId - 1] = partitionedPu.getPrimaryInstanceApplicationContext(instanceId - 1) | ||
| .getBean(GigaSpace.class); | ||
| } | ||
| started = true; | ||
| } | ||
|
|
||
| @Deprecated | ||
| protected void configure(UrlSpaceConfigurer spaceConfigurer) { | ||
| throw new UnsupportedOperationException("This method is not supported"); | ||
| } | ||
|
|
||
| /** | ||
| * Returns the primary with the given instanceId. | ||
| * | ||
| * NOTE: Primaries are numbered from 1! | ||
| */ | ||
| public GigaSpace primary(int instanceId) { | ||
| if (instanceId < 1) { | ||
| throw new IllegalArgumentException("Primaries are numbered from 1! Requested instance was " + instanceId); | ||
| } | ||
| if (instanceId > instances.length) { | ||
| throw new IllegalArgumentException("No such primary: " + instanceId + ". Space contains " + this.instances.length + " partitions."); | ||
| } | ||
| return instances[instanceId - 1]; | ||
| } | ||
|
|
||
| private static final Object ALL_OBJECTS = null; /* Intentional NULL */ | ||
|
|
||
| /** | ||
| * Cleans all space's in this cluster. | ||
| */ | ||
| public void clean() { | ||
| for (GigaSpace instance : instances) { | ||
| instance.clear(ALL_OBJECTS); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Returns an url to this space. | ||
| */ | ||
| public String getUrl() { | ||
| return "jini://*/*/" + this.spaceName + "?groups=" + this.groupName; | ||
| } | ||
|
|
||
| /** | ||
| * Creates a clustered proxy against this space. | ||
| */ | ||
| public GigaSpace createClusteredProxy() { | ||
| return partitionedPu.getClusteredGigaSpace(); | ||
| } | ||
|
|
||
| /** | ||
| * Destroys this space. | ||
| */ | ||
| public void destroy() { | ||
| try { | ||
| partitionedPu.stop(); | ||
| Files.deleteIfExists(puXml); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Returns the name of this space. | ||
| */ | ||
| public String getName() { | ||
| return this.spaceName; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the lookup group name | ||
| */ | ||
| public String getLookupGroupName() { | ||
| return this.groupName; | ||
| } | ||
|
|
||
| @Override | ||
| public Statement apply(final Statement base, Description description) { | ||
| return new Statement() { | ||
| @Override | ||
| public void evaluate() throws Throwable { | ||
| try { | ||
| start(); | ||
| base.evaluate(); | ||
| } finally { | ||
| destroy(); | ||
| } | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| } |
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