| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You 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.apache.geode; |
| |
| import static org.apache.geode.distributed.ConfigurationProperties.MCAST_PORT; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotSame; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.Serializable; |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.UUID; |
| |
| import org.junit.Test; |
| |
| import org.apache.geode.cache.AttributesFactory; |
| import org.apache.geode.cache.Cache; |
| import org.apache.geode.cache.CacheException; |
| import org.apache.geode.cache.CacheFactory; |
| import org.apache.geode.cache.CacheTransactionManager; |
| import org.apache.geode.cache.EntryEvent; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.RegionEvent; |
| import org.apache.geode.cache.Scope; |
| import org.apache.geode.cache.util.CacheListenerAdapter; |
| import org.apache.geode.distributed.DistributedSystem; |
| import org.apache.geode.pdx.PdxInstance; |
| import org.apache.geode.pdx.WritablePdxInstance; |
| |
| /** |
| * Tests the functionality of the {@link CopyHelper#copy} method and the builtin copy-on-get Cache |
| * functions. |
| * |
| * @since GemFire 4.0 |
| * |
| */ |
| public class CopyJUnitTest { |
| |
| private Cache cache; |
| private Region region; |
| |
| protected Object oldValue; |
| protected Object newValue; |
| |
| private void createCache(boolean copyOnRead) throws CacheException { |
| Properties p = new Properties(); |
| p.setProperty(MCAST_PORT, "0"); // loner |
| this.cache = CacheFactory.create(DistributedSystem.connect(p)); |
| this.cache.setCopyOnRead(copyOnRead); |
| |
| AttributesFactory af = new AttributesFactory(); |
| af.setScope(Scope.LOCAL); |
| af.setCacheListener(new CacheListenerAdapter() { |
| @Override |
| public void afterCreate(EntryEvent event) { |
| oldValue = event.getOldValue(); |
| newValue = event.getNewValue(); |
| } |
| |
| @Override |
| public void afterUpdate(EntryEvent event) { |
| oldValue = event.getOldValue(); |
| newValue = event.getNewValue(); |
| } |
| |
| @Override |
| public void afterInvalidate(EntryEvent event) { |
| oldValue = event.getOldValue(); |
| newValue = event.getNewValue(); |
| } |
| |
| @Override |
| public void afterDestroy(EntryEvent event) { |
| oldValue = event.getOldValue(); |
| newValue = event.getNewValue(); |
| } |
| |
| @Override |
| public void afterRegionInvalidate(RegionEvent event) { |
| // ignore |
| } |
| |
| @Override |
| public void afterRegionDestroy(RegionEvent event) { |
| // ignore |
| } |
| |
| @Override |
| public void close() { |
| oldValue = null; |
| newValue = null; |
| } |
| }); |
| this.region = this.cache.createRegion("CopyJUnitTest", af.create()); |
| } |
| |
| private void closeCache() { |
| if (this.cache != null) { |
| this.region = null; |
| Cache c = this.cache; |
| this.cache = null; |
| c.close(); |
| } |
| } |
| |
| @Test |
| public void testSimpleCopies() { |
| assertTrue(null == CopyHelper.copy(null)); |
| try { |
| CopyHelper.copy(new Object()); |
| fail("Expected CopyException"); |
| } catch (CopyException ok) { |
| } |
| CopyHelper.copy(new CloneImpl()); |
| } |
| |
| protected static class CloneImpl implements Cloneable { |
| @Override |
| public Object clone() { |
| return this; |
| } |
| } |
| |
| @Test |
| public void testReferences() throws Exception { |
| createCache(false); |
| try { |
| final Object ov = new Integer(6); |
| final Object v = new Integer(7); |
| this.region.put("key", ov); |
| this.region.put("key", v); |
| assertTrue("expected listener getOldValue to return reference to ov", this.oldValue == ov); |
| assertTrue("expected listener getNewValue to return reference to v", this.newValue == v); |
| assertTrue("expected get to return reference to v", this.region.get("key") == v); |
| Region.Entry re = this.region.getEntry("key"); |
| assertTrue("expected Entry.getValue to return reference to v", re.getValue() == v); |
| Collection c = this.region.values(); |
| Object[] cArray = c.toArray(); |
| assertTrue("expected values().toArray() to return reference to v", cArray[0] == v); |
| assertTrue("expected values().iterator().next() to return reference to v", |
| c.iterator().next() == v); |
| } finally { |
| closeCache(); |
| } |
| } |
| |
| public static class ModifiableInteger implements Serializable { |
| private static final long serialVersionUID = 9085003409748155613L; |
| private final int v; |
| |
| public ModifiableInteger(int v) { |
| this.v = v; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + v; |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| ModifiableInteger other = (ModifiableInteger) obj; |
| if (v != other.v) |
| return false; |
| return true; |
| } |
| } |
| |
| @Test |
| public void testCopies() throws Exception { |
| createCache(true); |
| try { |
| final Object ov = new ModifiableInteger(1); |
| final Object v = new ModifiableInteger(2); |
| this.region.put("key", ov); |
| this.region.put("key", v); |
| assertTrue("expected listener getOldValue to return copy of ov", this.oldValue != ov); |
| assertEquals(ov, this.oldValue); |
| assertTrue("expected listener getNewValue to return copy of v", this.newValue != v); |
| assertEquals(v, this.newValue); |
| assertTrue("expected get to return copy of v", this.region.get("key") != v); |
| assertEquals(v, this.region.get("key")); |
| Region.Entry re = this.region.getEntry("key"); |
| assertTrue("expected Entry.getValue to return copy of v", re.getValue() != v); |
| assertEquals(v, re.getValue()); |
| Collection c = this.region.values(); |
| Object[] cArray = c.toArray(); |
| assertTrue("expected values().toArray() to return copy of v", cArray[0] != v); |
| assertEquals(v, cArray[0]); |
| |
| assertTrue("expected values().iterator().next() to return copy of v", |
| c.iterator().next() != v); |
| assertEquals(v, c.iterator().next()); |
| } finally { |
| closeCache(); |
| } |
| } |
| |
| @Test |
| public void testImmutable() throws Exception { |
| createCache(true); |
| try { |
| // Integer is immutable so copies should not be made |
| final Object ov = new Integer(6); |
| final Object v = new Integer(7); |
| this.region.put("key", ov); |
| this.region.put("key", v); |
| assertSame(ov, this.oldValue); |
| assertSame(v, this.newValue); |
| assertSame(v, this.region.get("key")); |
| Region.Entry re = this.region.getEntry("key"); |
| assertSame(v, re.getValue()); |
| Collection c = this.region.values(); |
| Object[] cArray = c.toArray(); |
| assertSame(v, cArray[0]); |
| |
| assertSame(v, c.iterator().next()); |
| } finally { |
| closeCache(); |
| } |
| } |
| |
| @Test |
| public void testPrimitiveArrays() { |
| { |
| byte[] ba1 = new byte[] {1, 2, 3}; |
| byte[] ba2 = CopyHelper.copy(ba1); |
| if (ba1 == ba2) { |
| fail("expected new instance of primitive array"); |
| } |
| if (!Arrays.equals(ba1, ba2)) { |
| fail("expected contents of arrays to be equal"); |
| } |
| } |
| { |
| boolean[] ba1 = new boolean[] {true, false, true}; |
| boolean[] ba2 = CopyHelper.copy(ba1); |
| if (ba1 == ba2) { |
| fail("expected new instance of primitive array"); |
| } |
| if (!Arrays.equals(ba1, ba2)) { |
| fail("expected contents of arrays to be equal"); |
| } |
| } |
| { |
| char[] ba1 = new char[] {1, 2, 3}; |
| char[] ba2 = CopyHelper.copy(ba1); |
| if (ba1 == ba2) { |
| fail("expected new instance of primitive array"); |
| } |
| if (!Arrays.equals(ba1, ba2)) { |
| fail("expected contents of arrays to be equal"); |
| } |
| } |
| { |
| short[] ba1 = new short[] {1, 2, 3}; |
| short[] ba2 = CopyHelper.copy(ba1); |
| if (ba1 == ba2) { |
| fail("expected new instance of primitive array"); |
| } |
| if (!Arrays.equals(ba1, ba2)) { |
| fail("expected contents of arrays to be equal"); |
| } |
| } |
| { |
| int[] ba1 = new int[] {1, 2, 3}; |
| int[] ba2 = CopyHelper.copy(ba1); |
| if (ba1 == ba2) { |
| fail("expected new instance of primitive array"); |
| } |
| if (!Arrays.equals(ba1, ba2)) { |
| fail("expected contents of arrays to be equal"); |
| } |
| } |
| { |
| long[] ba1 = new long[] {1, 2, 3}; |
| long[] ba2 = CopyHelper.copy(ba1); |
| if (ba1 == ba2) { |
| fail("expected new instance of primitive array"); |
| } |
| if (!Arrays.equals(ba1, ba2)) { |
| fail("expected contents of arrays to be equal"); |
| } |
| } |
| { |
| float[] ba1 = new float[] {1, 2, 3}; |
| float[] ba2 = CopyHelper.copy(ba1); |
| if (ba1 == ba2) { |
| fail("expected new instance of primitive array"); |
| } |
| if (!Arrays.equals(ba1, ba2)) { |
| fail("expected contents of arrays to be equal"); |
| } |
| } |
| { |
| double[] ba1 = new double[] {1, 2, 3}; |
| double[] ba2 = CopyHelper.copy(ba1); |
| if (ba1 == ba2) { |
| fail("expected new instance of primitive array"); |
| } |
| if (!Arrays.equals(ba1, ba2)) { |
| fail("expected contents of arrays to be equal"); |
| } |
| } |
| } |
| |
| @Test |
| public void testObjectArray() { |
| Object[] oa1 = new Object[] {1, 2, 3}; |
| Object[] oa2 = CopyHelper.copy(oa1); |
| if (oa1 == oa2) { |
| fail("expected new instance of object array"); |
| } |
| if (!Arrays.equals(oa1, oa2)) { |
| fail("expected contents of arrays to be equal"); |
| } |
| } |
| |
| @Test |
| public void testIsWellKnownImmutableInstance() { |
| assertEquals(true, CopyHelper.isWellKnownImmutableInstance("abc")); |
| assertEquals(true, CopyHelper.isWellKnownImmutableInstance(Integer.valueOf(0))); |
| assertEquals(true, CopyHelper.isWellKnownImmutableInstance(Long.valueOf(0))); |
| assertEquals(true, CopyHelper.isWellKnownImmutableInstance(Byte.valueOf((byte) 0))); |
| assertEquals(true, CopyHelper.isWellKnownImmutableInstance(Short.valueOf((short) 0))); |
| assertEquals(true, CopyHelper.isWellKnownImmutableInstance(Float.valueOf((float) 1.2))); |
| assertEquals(true, CopyHelper.isWellKnownImmutableInstance(Double.valueOf(1.2))); |
| assertEquals(true, CopyHelper.isWellKnownImmutableInstance(Character.valueOf((char) 0))); |
| assertEquals(true, CopyHelper.isWellKnownImmutableInstance(new BigInteger("1234"))); |
| assertEquals(true, CopyHelper.isWellKnownImmutableInstance(new BigDecimal("123.4556"))); |
| assertEquals(true, CopyHelper.isWellKnownImmutableInstance(new UUID(1L, 2L))); |
| PdxInstance pi = new PdxInstance() { |
| @Override |
| public Object getObject() { |
| return null; |
| } |
| |
| public Object getObject(Object pdxObject) { |
| return null; |
| } |
| |
| @Override |
| public boolean hasField(String fieldName) { |
| return false; |
| } |
| |
| @Override |
| public List<String> getFieldNames() { |
| return null; |
| } |
| |
| @Override |
| public boolean isIdentityField(String fieldName) { |
| return false; |
| } |
| |
| @Override |
| public Object getField(String fieldName) { |
| return null; |
| } |
| |
| @Override |
| public WritablePdxInstance createWriter() { |
| return null; |
| } |
| |
| @Override |
| public String getClassName() { |
| return null; |
| } |
| |
| @Override |
| public boolean isEnum() { |
| return false; |
| } |
| }; |
| WritablePdxInstance wpi = new WritablePdxInstance() { |
| @Override |
| public Object getObject() { |
| return null; |
| } |
| |
| public Object getObject(Object pdxObject) { |
| return null; |
| } |
| |
| @Override |
| public boolean hasField(String fieldName) { |
| return false; |
| } |
| |
| @Override |
| public List<String> getFieldNames() { |
| return null; |
| } |
| |
| @Override |
| public boolean isIdentityField(String fieldName) { |
| return false; |
| } |
| |
| @Override |
| public Object getField(String fieldName) { |
| return null; |
| } |
| |
| @Override |
| public WritablePdxInstance createWriter() { |
| return null; |
| } |
| |
| @Override |
| public void setField(String fieldName, Object value) {} |
| |
| @Override |
| public String getClassName() { |
| return null; |
| } |
| |
| @Override |
| public boolean isEnum() { |
| return false; |
| } |
| }; |
| assertEquals(true, CopyHelper.isWellKnownImmutableInstance(pi)); |
| assertEquals(false, CopyHelper.isWellKnownImmutableInstance(wpi)); |
| assertEquals(false, CopyHelper.isWellKnownImmutableInstance(new Object())); |
| } |
| |
| @Test |
| public void testTxReferences() throws Exception { |
| createCache(false); |
| final CacheTransactionManager txMgr = this.cache.getCacheTransactionManager(); |
| txMgr.begin(); |
| try { |
| final Object v = new Integer(7); |
| this.region.put("key", v); |
| assertTrue("expected get to return reference to v", this.region.get("key") == v); |
| Region.Entry re = this.region.getEntry("key"); |
| assertTrue("expected Entry.getValue to return reference to v", re.getValue() == v); |
| txMgr.rollback(); |
| } finally { |
| try { |
| txMgr.rollback(); |
| } catch (IllegalStateException ignore) { |
| } |
| closeCache(); |
| } |
| } |
| |
| @Test |
| public void testTxCopies() throws Exception { |
| createCache(true); |
| final CacheTransactionManager txMgr = this.cache.getCacheTransactionManager(); |
| txMgr.begin(); |
| try { |
| final Object v = new ModifiableInteger(7); |
| this.region.put("key", v); |
| assertTrue("expected get to return copy of v", this.region.get("key") != v); |
| assertEquals(v, this.region.get("key")); |
| Region.Entry re = this.region.getEntry("key"); |
| assertTrue("expected Entry.getValue to return copy of v", re.getValue() != v); |
| assertEquals(v, re.getValue()); |
| txMgr.rollback(); |
| } finally { |
| try { |
| txMgr.rollback(); |
| } catch (IllegalStateException ignore) { |
| } |
| closeCache(); |
| } |
| } |
| |
| @Test |
| public void testComplexObjectDeepCopy() { |
| Complex1 in1 = new Complex1(); |
| in1.hashMap.put(Season.SUMMER, 2); |
| Complex2 out1 = new Complex2(); |
| out1.innerList.add(in1); |
| |
| Complex2 out2 = CopyHelper.deepCopy(out1); |
| |
| assertEquals(out1, out2); |
| |
| // make sure that the member variables do not refer to the same instance |
| assertNotSame(out1, out2); |
| assertNotSame(out1.str, out2.str); |
| assertNotSame(out1.innerList, out2.innerList); |
| Complex1 i1 = out1.innerList.get(0); |
| Complex1 i2 = out2.innerList.get(0); |
| assertNotSame(i1, i2); |
| |
| Complex1 in2 = new Complex1(); |
| out2.innerList.add(in2); |
| |
| assertEquals(out1.innerList.size(), 1); |
| assertEquals(out2.innerList.size(), 2); |
| } |
| |
| @Test |
| public void testMapDeepCopy() { |
| Map<Season, Complex1> map1 = new HashMap<Season, Complex1>(); |
| Complex1 in1 = new Complex1(); |
| in1.hashMap.put(Season.SUMMER, 2); |
| map1.put(Season.SUMMER, in1); |
| |
| Map<Season, Complex1> map2 = CopyHelper.deepCopy(map1); |
| |
| assertEquals(map1, map2); |
| |
| Complex1 data1 = map1.get(Season.SUMMER); |
| Complex1 data2 = map2.get(Season.SUMMER); |
| |
| assertEquals(data1, data2); |
| assertNotSame(data1, data2); |
| } |
| |
| @Test |
| public void testNonSerializableDeepCopy() { |
| NonSerializable n = new NonSerializable(); |
| try { |
| NonSerializable m = CopyHelper.deepCopy(n); |
| fail("expected a CopyException for a non serializable"); |
| } catch (final CopyException ok) { |
| } |
| } |
| |
| static enum Season { |
| SPRING, SUMMER, FALL, WINTER |
| } |
| |
| static class NonSerializable { |
| int i = 1; |
| } |
| |
| static class Complex1 implements Serializable { |
| private static final long serialVersionUID = 1L; |
| Season season = Season.SPRING; |
| Map<Season, Integer> hashMap = new HashMap<Season, Integer>(); |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((hashMap == null) ? 0 : hashMap.hashCode()); |
| result = prime * result + ((season == null) ? 0 : season.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| Complex1 other = (Complex1) obj; |
| if (hashMap == null) { |
| if (other.hashMap != null) |
| return false; |
| } else if (!hashMap.equals(other.hashMap)) |
| return false; |
| if (season != other.season) |
| return false; |
| return true; |
| } |
| } |
| |
| static class Complex2 implements Serializable { |
| private static final long serialVersionUID = 1L; |
| int id = 1; |
| String str = "Hello there!"; |
| List<Complex1> innerList = new ArrayList<Complex1>(); |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + id; |
| result = prime * result + ((innerList == null) ? 0 : innerList.hashCode()); |
| result = prime * result + ((str == null) ? 0 : str.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| Complex2 other = (Complex2) obj; |
| if (id != other.id) |
| return false; |
| if (innerList == null) { |
| if (other.innerList != null) |
| return false; |
| } else if (!innerList.equals(other.innerList)) |
| return false; |
| if (str == null) { |
| if (other.str != null) |
| return false; |
| } else if (!str.equals(other.str)) |
| return false; |
| return true; |
| } |
| } |
| |
| } |