move rnd logic to RandomContext

git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/branches/exprs@1144 f203690c-595d-4dc9-a70b-905162fa7fd2

1 files changed, 3 insertions, 16 deletions

diff --git a/src/test/java/com/healthmarketscience/jackcess/impl/expr/ExpressionatorTest.java b/src/test/java/com/healthmarketscience/jackcess/impl/expr/ExpressionatorTest.java
index c6bda5b..a3eb46a 100644
--- a/src/test/java/com/healthmarketscience/jackcess/impl/expr/ExpressionatorTest.java
+++ b/src/test/java/com/healthmarketscience/jackcess/impl/expr/ExpressionatorTest.java
@@ -19,7 +19,6 @@ package com.healthmarketscience.jackcess.impl.expr;
 import java.math.BigDecimal;
 import java.text.SimpleDateFormat;
 import java.util.Date;
-import java.util.Random;
 
 import com.healthmarketscience.jackcess.DatabaseBuilder;
 import com.healthmarketscience.jackcess.TestUtil;
@@ -382,9 +381,7 @@ public class ExpressionatorTest extends TestCase
   private static final class TestEvalContext implements EvalContext
   {
     private final Value _thisVal;
-    private Random _defRnd;
-    private Random _rnd;
-    private long _rndSeed;
+    private final RandomContext _rndCtx = new RandomContext();
 
     private TestEvalContext(Value thisVal) {
       _thisVal = thisVal;
@@ -416,18 +413,8 @@ public class ExpressionatorTest extends TestCase
       throw new UnsupportedOperationException();
     }
 
-    public Random getRandom(Integer seed) {
-      if(seed == null) {
-        if(_defRnd == null) {
-          _defRnd = new Random(System.currentTimeMillis());
-        }
-        return _defRnd;
-      }
-      if((_rnd == null) || (seed != _rndSeed)) {
-        _rndSeed = seed;
-        _rnd = new Random(_rndSeed);
-      }
-      return _rnd;
+    public float getRandom(Integer seed) {
+      return _rndCtx.getRandom(seed);
     } 
   }
 }