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PLANNER-387 Add optional classloader parameter into SolverFactory met…
…hods, especially for OSGi
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108 changes: 108 additions & 0 deletions
108
optaplanner-core/src/test/java/org/optaplanner/core/api/solver/SolverFactoryTest.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,108 @@ | ||
| /* | ||
| * Copyright 2015 JBoss Inc | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| package org.optaplanner.core.api.solver; | ||
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| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.net.URL; | ||
| import java.util.Enumeration; | ||
|
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| import org.junit.Test; | ||
| import org.mockito.invocation.InvocationOnMock; | ||
| import org.mockito.stubbing.Answer; | ||
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| import static org.junit.Assert.*; | ||
| import static org.mockito.Matchers.anyString; | ||
| import static org.mockito.Mockito.*; | ||
|
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| public class SolverFactoryTest { | ||
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| @Test | ||
| public void testdataSolverConfig() { | ||
| SolverFactory solverFactory = SolverFactory.createFromXmlResource( | ||
| "org/optaplanner/core/api/solver/testdataSolverConfig.xml"); | ||
| Solver solver = solverFactory.buildSolver(); | ||
| assertNotNull(solver); | ||
| } | ||
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| @Test(expected = IllegalArgumentException.class) | ||
| public void nonExistingSolverConfig() { | ||
| SolverFactory solverFactory = SolverFactory.createFromXmlResource( | ||
| "org/optaplanner/core/api/solver/nonExistingSolverConfig.xml"); | ||
| Solver solver = solverFactory.buildSolver(); | ||
| assertNotNull(solver); | ||
| } | ||
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| @Test | ||
| public void testdataSolverConfigWithClassLoader() throws ClassNotFoundException, IOException { | ||
| ClassLoader classLoader = mockDivertingClassLoader(); | ||
| SolverFactory solverFactory = SolverFactory.createFromXmlResource( | ||
| "divertThroughClassLoader/org/optaplanner/core/api/solver/classloaderTestdataSolverConfig.xml", classLoader); | ||
| Solver solver = solverFactory.buildSolver(); | ||
| assertNotNull(solver); | ||
| } | ||
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| protected ClassLoader mockDivertingClassLoader() throws ClassNotFoundException, IOException { | ||
| final String divertedPrefix = "divertThroughClassLoader"; | ||
| final ClassLoader realClassLoader = getClass().getClassLoader(); | ||
| ClassLoader divertingClassLoader = mock(ClassLoader.class); | ||
| // Mocking loadClass doesn't work well enough, because the className still differs from class.getName() | ||
| when(divertingClassLoader.loadClass(anyString())).thenAnswer(new Answer<Class<?>>() { | ||
| @Override | ||
| public Class<?> answer(InvocationOnMock invocation) throws Throwable { | ||
| String className = (String) invocation.getArguments()[0]; | ||
| if (className.startsWith(divertedPrefix + ".")) { | ||
| className = className.substring(divertedPrefix.length() + 1); | ||
| } | ||
| return realClassLoader.loadClass(className); | ||
| } | ||
| }); | ||
| when(divertingClassLoader.getResource(anyString())).thenAnswer(new Answer<URL>() { | ||
| @Override | ||
| public URL answer(InvocationOnMock invocation) { | ||
| String resourceName = (String) invocation.getArguments()[0]; | ||
| if (resourceName.startsWith(divertedPrefix + "/")) { | ||
| resourceName = resourceName.substring(divertedPrefix.length() + 1); | ||
| } | ||
| return realClassLoader.getResource(resourceName); | ||
| } | ||
| }); | ||
| when(divertingClassLoader.getResourceAsStream(anyString())).thenAnswer(new Answer<InputStream>() { | ||
| @Override | ||
| public InputStream answer(InvocationOnMock invocation) { | ||
| String resourceName = (String) invocation.getArguments()[0]; | ||
| if (resourceName.startsWith(divertedPrefix + "/")) { | ||
| resourceName = resourceName.substring(divertedPrefix.length() + 1); | ||
| } | ||
| return realClassLoader.getResourceAsStream(resourceName); | ||
| } | ||
| }); | ||
| when(divertingClassLoader.getResources(anyString())).thenAnswer(new Answer<Enumeration<URL>>() { | ||
| @Override | ||
| public Enumeration<URL> answer(InvocationOnMock invocation) throws Throwable { | ||
| String resourceName = (String) invocation.getArguments()[0]; | ||
| if (resourceName.startsWith(divertedPrefix + "/")) { | ||
| resourceName = resourceName.substring(divertedPrefix.length() + 1); | ||
| } | ||
| return realClassLoader.getResources(resourceName); | ||
| } | ||
| }); | ||
| // Mocking divertingClassLoader.getParent() fails because it's a final method | ||
| return divertingClassLoader; | ||
| } | ||
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| } |
40 changes: 40 additions & 0 deletions
40
...core/src/test/resources/org/optaplanner/core/api/solver/classloaderTestdataScoreRules.drl
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| * Copyright 2010 JBoss Inc | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package org.optaplanner.examples.cloudbalancing.solver; | ||
| dialect "java" | ||
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| import org.optaplanner.core.api.score.buildin.simple.SimpleScoreHolder; | ||
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| // Using these imports statements doesn't work because the className still differs from class.getName() | ||
| //import divertThroughClassLoader.org.optaplanner.core.impl.testdata.domain.TestdataValue; | ||
| //import divertThroughClassLoader.org.optaplanner.core.impl.testdata.domain.TestdataEntity; | ||
| import org.optaplanner.core.impl.testdata.domain.TestdataValue; | ||
| import org.optaplanner.core.impl.testdata.domain.TestdataEntity; | ||
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| global SimpleScoreHolder scoreHolder; | ||
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| // ############################################################################ | ||
| // Constraints | ||
| // ############################################################################ | ||
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| rule "Conflict" | ||
| when | ||
| TestdataEntity(value != null, $leftValue : value) | ||
| TestdataEntity(value == $leftValue) | ||
| then | ||
| scoreHolder.addConstraintMatch(kcontext, -1); | ||
| end |
16 changes: 16 additions & 0 deletions
16
...re/src/test/resources/org/optaplanner/core/api/solver/classloaderTestdataSolverConfig.xml
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| <?xml version="1.0" encoding="UTF-8"?> | ||
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| <solver> | ||
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| <!-- Using these classnames doesn't work because the className still differs from class.getName()--> | ||
| <!--<solutionClass>divertThroughClassLoader.org.optaplanner.core.impl.testdata.domain.TestdataSolution</solutionClass>--> | ||
| <!--<entityClass>divertThroughClassLoader.org.optaplanner.core.impl.testdata.domain.TestdataEntity</entityClass>--> | ||
| <solutionClass>org.optaplanner.core.impl.testdata.domain.TestdataSolution</solutionClass> | ||
| <entityClass>org.optaplanner.core.impl.testdata.domain.TestdataEntity</entityClass> | ||
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| <!-- Score configuration --> | ||
| <scoreDirectorFactory> | ||
| <scoreDefinitionType>SIMPLE</scoreDefinitionType> | ||
| <scoreDrl>divertThroughClassLoader/org/optaplanner/core/api/solver/classloaderTestdataScoreRules.drl</scoreDrl> | ||
| </scoreDirectorFactory> | ||
| </solver> |
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