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Concurrent access issue to jython evaluables.

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This commit is contained in:
Maxim Galushka 2015-09-22 17:32:00 +01:00
parent 1a6649e4f3
commit 68d8456f9e
2 changed files with 54 additions and 18 deletions
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25
extensions/jython/src/com/google/refine/jython/JythonEvaluable.java
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@ -33,29 +33,16 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package com.google.refine.jython;
import com.google.refine.expr.*;
import org.python.core.*;
import org.python.util.PythonInterpreter;
import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Properties;
import org.python.core.Py;
import org.python.core.PyException;
import org.python.core.PyFloat;
import org.python.core.PyFunction;
import org.python.core.PyInteger;
import org.python.core.PyLong;
import org.python.core.PyNone;
import org.python.core.PyObject;
import org.python.core.PyString;
import org.python.util.PythonInterpreter;
import com.google.refine.expr.EvalError;
import com.google.refine.expr.Evaluable;
import com.google.refine.expr.HasFields;
import com.google.refine.expr.LanguageSpecificParser;
import com.google.refine.expr.ParsingException;
public class JythonEvaluable implements Evaluable {
static public LanguageSpecificParser createParser() {
@ -68,7 +55,7 @@ public class JythonEvaluable implements Evaluable {
};
}
private static final String s_functionName = "___temp___";
private final String s_functionName;
private static PythonInterpreter _engine;
@ -97,6 +84,8 @@ public class JythonEvaluable implements Evaluable {
}
public JythonEvaluable(String s) {
this.s_functionName = String.format("__temp_%d__", Math.abs(s.hashCode()));
// indent and create a function out of the code
String[] lines = s.split("\r\n|\r|\n");

47
extensions/jython/tests/com/google/refine/jython/JythonEvaluableTest.java Normal file
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@ -0,0 +1,47 @@
package com.google.refine.jython;
import com.google.refine.expr.CellTuple;
import com.google.refine.expr.Evaluable;
import com.google.refine.model.Cell;
import com.google.refine.model.Project;
import com.google.refine.model.Row;
import org.testng.Assert;
import org.testng.annotations.Test;
import java.util.Properties;
/**
* @author Maxim Galushka
*/
public class JythonEvaluableTest {
@Test
public void testJythonConcurrent(){
Properties props = new Properties();
Project project = new Project();
Row row = new Row(2);
row.setCell(0, new Cell("one", null));
row.setCell(0, new Cell("1", null));
props.put("columnName", "number");
props.put("true", "true");
props.put("false", "false");
props.put("rowIndex", "0");
props.put("value", 1);
props.put("project", project);
props.put("call", "number");
props.put("PI", "3.141592654");
props.put("cells", new CellTuple(project, row));
Evaluable eval1 = new JythonEvaluable("a = value\nreturn a * 2");
Long value1 = (Long) eval1.evaluate(props);
// create some unrelated evaluable
new JythonEvaluable("a = value\nreturn a * 10");
// repeat same previous test
Long value2 = (Long) eval1.evaluate(props);
Assert.assertEquals(value1, value2);
}
}