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AtomicArray.toArray will now throw an exception if target array if of the wrong size.

This commit is contained in:
Boaz Leskes 2013-07-16 09:22:12 +02:00
parent 092fd6fc7a
commit 88eb3552d8
1 changed files with 3 additions and 5 deletions
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8
src/main/java/org/elasticsearch/common/util/concurrent/AtomicArray.java
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@ -20,8 +20,8 @@
package org.elasticsearch.common.util.concurrent;
import com.google.common.collect.ImmutableList;
import org.elasticsearch.ElasticSearchGenerationException;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicReferenceArray;
@ -105,10 +105,8 @@ public class AtomicArray<E> {
* <tt>null</tt>. All in similar fashion to {@link ArrayList#toArray}
*/
public E[] toArray(E[] a) {
if (a.length < array.length()) {
a = (E[]) Array.newInstance(a.getClass().getComponentType(), array.length());
} else if (a.length > array.length()) {
a[array.length()] = null;
if (a.length != array.length()) {
throw new ElasticSearchGenerationException("AtomicArrays can only be copied to arrays of the same size");
}
for (int i = 0; i < array.length(); i++) {
a[i] = array.get(i);