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Make eclipse compiler happy. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1715973 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Thomas Neidhart 2015-11-23 21:42:01 +00:00
parent 64e8b87291
commit a0eff4bffd
3 changed files with 47 additions and 25 deletions
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9
src/main/java/org/apache/commons/collections4/IteratorUtils.java
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@ -573,7 +573,8 @@ public class IteratorUtils {
final Iterator<? extends E> iterator1,
final Iterator<? extends E> iterator2) {
@SuppressWarnings("unchecked")
final Comparator<E> comp = comparator == null ? ComparatorUtils.NATURAL_COMPARATOR : comparator;
final Comparator<E> comp =
comparator == null ? ComparatorUtils.NATURAL_COMPARATOR : (Comparator<E>) comparator;
return new CollatingIterator<E>(comp, iterator1, iterator2);
}
@ -596,7 +597,8 @@ public class IteratorUtils {
public static <E> Iterator<E> collatedIterator(final Comparator<? super E> comparator,
final Iterator<? extends E>... iterators) {
@SuppressWarnings("unchecked")
final Comparator<E> comp = comparator == null ? ComparatorUtils.NATURAL_COMPARATOR : comparator;
final Comparator<E> comp =
comparator == null ? ComparatorUtils.NATURAL_COMPARATOR : (Comparator<E>) comparator;
return new CollatingIterator<E>(comp, iterators);
}
@ -620,7 +622,8 @@ public class IteratorUtils {
public static <E> Iterator<E> collatedIterator(final Comparator<? super E> comparator,
final Collection<Iterator<? extends E>> iterators) {
@SuppressWarnings("unchecked")
final Comparator<E> comp = comparator == null ? ComparatorUtils.NATURAL_COMPARATOR : comparator;
final Comparator<E> comp =
comparator == null ? ComparatorUtils.NATURAL_COMPARATOR : (Comparator<E>) comparator;
return new CollatingIterator<E>(comp, iterators);
}

59
src/test/java/org/apache/commons/collections4/CollectionUtilsTest.java
View File

@ -16,8 +16,13 @@
*/
package org.apache.commons.collections4;
import static org.apache.commons.collections4.functors.EqualPredicate.*;
import static org.junit.Assert.*;
import static org.apache.commons.collections4.functors.EqualPredicate.equalPredicate;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.ArrayList;
import java.util.Arrays;
@ -109,7 +114,7 @@ public class CollectionUtilsTest extends MockTestCase {
private Iterable<Number> iterableB2 = null;
private Collection<Integer> emptyCollection = new ArrayList<Integer>(1);
private final Collection<Integer> emptyCollection = new ArrayList<Integer>(1);
@Before
public void setUp() {
@ -439,6 +444,7 @@ public class CollectionUtilsTest extends MockTestCase {
public void testSubtractWithPredicate() {
// greater than 3
final Predicate<Number> predicate = new Predicate<Number>() {
@Override
public boolean evaluate(final Number n) {
return n.longValue() > 3L;
}
@ -559,6 +565,7 @@ public class CollectionUtilsTest extends MockTestCase {
// odd / even equator
final Equator<Integer> e = new Equator<Integer>() {
@Override
public boolean equate(final Integer o1, final Integer o2) {
if (o1.intValue() % 2 == 0 ^ o2.intValue() % 2 == 0) {
return false;
@ -567,6 +574,7 @@ public class CollectionUtilsTest extends MockTestCase {
}
}
@Override
public int hash(final Integer o) {
return o.intValue() % 2 == 0 ? Integer.valueOf(0).hashCode() : Integer.valueOf(1).hashCode();
}
@ -621,43 +629,41 @@ public class CollectionUtilsTest extends MockTestCase {
assertNull(CollectionUtils.find(collectionA, null));
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
@Deprecated
public void forAllDoCollection() {
final Closure<List<? extends Number>> testClosure = ClosureUtils.invokerClosure("clear");
final Collection<List<? extends Number>> col = new ArrayList<List<? extends Number>>();
final Closure<Collection<Integer>> testClosure = ClosureUtils.invokerClosure("clear");
final Collection<Collection<Integer>> col = new ArrayList<Collection<Integer>>();
col.add(collectionA);
col.add(collectionB);
Closure<List<? extends Number>> resultClosure = CollectionUtils.forAllDo(col, testClosure);
col.add(collectionC);
Closure<Collection<Integer>> resultClosure = CollectionUtils.forAllDo(col, testClosure);
assertSame(testClosure, resultClosure);
assertTrue(collectionA.isEmpty() && collectionB.isEmpty());
assertTrue(collectionA.isEmpty() && collectionC.isEmpty());
// fix for various java 1.6 versions: keep the cast
resultClosure = CollectionUtils.forAllDo(col, (Closure<List<? extends Number>>) null);
resultClosure = CollectionUtils.forAllDo(col, (Closure<Collection<Integer>>) null);
assertNull(resultClosure);
assertTrue(collectionA.isEmpty() && collectionB.isEmpty());
resultClosure = CollectionUtils.forAllDo((Collection) null, testClosure);
assertTrue(collectionA.isEmpty() && collectionC.isEmpty());
resultClosure = CollectionUtils.forAllDo((Collection<Collection<Integer>>) null, testClosure);
col.add(null);
// null should be OK
CollectionUtils.forAllDo(col, testClosure);
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
@Deprecated
public void forAllDoIterator() {
final Closure<List<? extends Number>> testClosure = ClosureUtils.invokerClosure("clear");
final Collection<List<? extends Number>> col = new ArrayList<List<? extends Number>>();
final Closure<Collection<Integer>> testClosure = ClosureUtils.invokerClosure("clear");
final Collection<Collection<Integer>> col = new ArrayList<Collection<Integer>>();
col.add(collectionA);
col.add(collectionB);
Closure<List<? extends Number>> resultClosure = CollectionUtils.forAllDo(col.iterator(), testClosure);
col.add(collectionC);
Closure<Collection<Integer>> resultClosure = CollectionUtils.forAllDo(col.iterator(), testClosure);
assertSame(testClosure, resultClosure);
assertTrue(collectionA.isEmpty() && collectionB.isEmpty());
assertTrue(collectionA.isEmpty() && collectionC.isEmpty());
// fix for various java 1.6 versions: keep the cast
resultClosure = CollectionUtils.forAllDo(col.iterator(), (Closure<List<? extends Number>>) null);
resultClosure = CollectionUtils.forAllDo(col.iterator(), (Closure<Collection<Integer>>) null);
assertNull(resultClosure);
assertTrue(collectionA.isEmpty() && collectionB.isEmpty());
resultClosure = CollectionUtils.forAllDo((Iterator) null, testClosure);
assertTrue(collectionA.isEmpty() && collectionC.isEmpty());
resultClosure = CollectionUtils.forAllDo((Iterator<Collection<Integer>>) null, testClosure);
col.add(null);
// null should be OK
CollectionUtils.forAllDo(col.iterator(), testClosure);
@ -696,6 +702,7 @@ public class CollectionUtilsTest extends MockTestCase {
Collection<String> strings = Arrays.asList("a", "b", "c");
final StringBuffer result = new StringBuffer();
result.append(CollectionUtils.forAllButLastDo(strings, new Closure<String>() {
@Override
public void execute(String input) {
result.append(input+";");
}
@ -705,6 +712,7 @@ public class CollectionUtilsTest extends MockTestCase {
Collection<String> oneString = Arrays.asList("a");
final StringBuffer resultOne = new StringBuffer();
resultOne.append(CollectionUtils.forAllButLastDo(oneString, new Closure<String>() {
@Override
public void execute(String input) {
resultOne.append(input+";");
}
@ -1069,6 +1077,7 @@ public class CollectionUtilsTest extends MockTestCase {
// -----------------------------------------------------------------------
private static Predicate<Number> EQUALS_TWO = new Predicate<Number>() {
@Override
public boolean evaluate(final Number input) {
return input.intValue() == 2;
}
@ -1256,6 +1265,7 @@ public class CollectionUtilsTest extends MockTestCase {
}
Transformer<Object, Integer> TRANSFORM_TO_INTEGER = new Transformer<Object, Integer>() {
@Override
public Integer transform(final Object input) {
return Integer.valueOf(((Long)input).intValue());
}
@ -1292,6 +1302,7 @@ public class CollectionUtilsTest extends MockTestCase {
set.add(2L);
set.add(3L);
CollectionUtils.transform(set, new Transformer<Object, Integer>() {
@Override
public Integer transform(final Object input) {
return 4;
}
@ -1789,6 +1800,7 @@ public class CollectionUtilsTest extends MockTestCase {
assertFalse(CollectionUtils.matchesAll(collectionA, null));
Predicate<Integer> lessThanFive = new Predicate<Integer>() {
@Override
public boolean evaluate(Integer object) {
return object < 5;
}
@ -1796,6 +1808,7 @@ public class CollectionUtilsTest extends MockTestCase {
assertTrue(CollectionUtils.matchesAll(collectionA, lessThanFive));
Predicate<Integer> lessThanFour = new Predicate<Integer>() {
@Override
public boolean evaluate(Integer object) {
return object < 4;
}
@ -1821,10 +1834,12 @@ public class CollectionUtilsTest extends MockTestCase {
// use an equator which compares the second letter only
final Collection<String> result = CollectionUtils.removeAll(base, remove, new Equator<String>() {
@Override
public boolean equate(String o1, String o2) {
return o1.charAt(1) == o2.charAt(1);
}
@Override
public int hash(String o) {
return o.charAt(1);
}
@ -1871,10 +1886,12 @@ public class CollectionUtilsTest extends MockTestCase {
// use an equator which compares the second letter only
final Collection<String> result = CollectionUtils.retainAll(base, retain, new Equator<String>() {
@Override
public boolean equate(String o1, String o2) {
return o1.charAt(1) == o2.charAt(1);
}
@Override
public int hash(String o) {
return o.charAt(1);
}

4
src/test/java/org/apache/commons/collections4/map/TransformedMapTest.java
View File

@ -68,7 +68,9 @@ public class TransformedMapTest<K, V> extends AbstractIterableMapTest<K, V> {
assertEquals(null, map.remove(els[0]));
assertEquals(els[0], map.remove(Integer.valueOf((String) els[0])));
map = TransformedMap.transformingMap(new HashMap(), null, TransformedCollectionTest.STRING_TO_INTEGER_TRANSFORMER);
map = TransformedMap.transformingMap(new HashMap(), null,
// cast needed for eclipse compiler
(Transformer) TransformedCollectionTest.STRING_TO_INTEGER_TRANSFORMER);
assertEquals(0, map.size());
for (int i = 0; i < els.length; i++) {
map.put((K) els[i], (V) els[i]);