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Posted to commits@commons.apache.org by gg...@apache.org on 2022/11/06 16:02:04 UTC

[commons-collections] 02/04: Use lambdas

This is an automated email from the ASF dual-hosted git repository.

ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-collections.git

commit 62b1cc63546b155beec7b63af8d10bf6f160bfa3
Author: Gary Gregory <ga...@gmail.com>
AuthorDate: Sun Nov 6 10:52:36 2022 -0500

    Use lambdas
---
 .../collections4/bloomfilter/IndexProducer.java    | 37 ++++++++---------
 .../bloomfilter/AbstractBitMapProducerTest.java    | 46 ++++++----------------
 .../AbstractCountingBloomFilterTest.java           | 14 +++----
 .../BitMapProducerFromIndexProducerTest.java       | 19 ++-------
 .../BitMapProducerFromLongArrayTest.java           | 15 +++----
 .../bloomfilter/DefaultBitCountProducerTest.java   | 20 +++-------
 .../bloomfilter/DefaultIndexProducerTest.java      | 25 +++++-------
 7 files changed, 58 insertions(+), 118 deletions(-)

diff --git a/src/main/java/org/apache/commons/collections4/bloomfilter/IndexProducer.java b/src/main/java/org/apache/commons/collections4/bloomfilter/IndexProducer.java
index 245488867..8668b81fe 100644
--- a/src/main/java/org/apache/commons/collections4/bloomfilter/IndexProducer.java
+++ b/src/main/java/org/apache/commons/collections4/bloomfilter/IndexProducer.java
@@ -79,30 +79,27 @@ public interface IndexProducer {
      */
     static IndexProducer fromBitMapProducer(final BitMapProducer producer) {
         Objects.requireNonNull(producer, "producer");
-        return new IndexProducer() {
-            @Override
-            public boolean forEachIndex(final IntPredicate consumer) {
-                final LongPredicate longPredicate = new LongPredicate() {
-                    int wordIdx = 0;
+        return consumer -> {
+            final LongPredicate longPredicate = new LongPredicate() {
+                int wordIdx = 0;
 
-                    @Override
-                    public boolean test(long word) {
-                        int i = wordIdx;
-                        while (word != 0) {
-                            if ((word & 1) == 1) {
-                                if (!consumer.test(i)) {
-                                    return false;
-                                }
+                @Override
+                public boolean test(long word) {
+                    int i = wordIdx;
+                    while (word != 0) {
+                        if ((word & 1) == 1) {
+                            if (!consumer.test(i)) {
+                                return false;
                             }
-                            word >>>= 1;
-                            i++;
                         }
-                        wordIdx += 64;
-                        return true;
+                        word >>>= 1;
+                        i++;
                     }
-                };
-                return producer.forEachBitMap(longPredicate::test);
-            }
+                    wordIdx += 64;
+                    return true;
+                }
+            };
+            return producer.forEachBitMap(longPredicate::test);
         };
     }
 
diff --git a/src/test/java/org/apache/commons/collections4/bloomfilter/AbstractBitMapProducerTest.java b/src/test/java/org/apache/commons/collections4/bloomfilter/AbstractBitMapProducerTest.java
index b6320c524..cd16036d5 100644
--- a/src/test/java/org/apache/commons/collections4/bloomfilter/AbstractBitMapProducerTest.java
+++ b/src/test/java/org/apache/commons/collections4/bloomfilter/AbstractBitMapProducerTest.java
@@ -30,24 +30,12 @@ public abstract class AbstractBitMapProducerTest {
     /**
      * A testing consumer that always returns false.
      */
-    public static final LongPredicate FALSE_CONSUMER = new LongPredicate() {
-
-        @Override
-        public boolean test(final long arg0) {
-            return false;
-        }
-    };
+    public static final LongPredicate FALSE_CONSUMER = arg0 -> false;
 
     /**
      * A testing consumer that always returns true.
      */
-    public static final LongPredicate TRUE_CONSUMER = new LongPredicate() {
-
-        @Override
-        public boolean test(final long arg0) {
-            return true;
-        }
-    };
+    public static final LongPredicate TRUE_CONSUMER = arg0 -> true;
 
     /**
      * Creates a producer with some data.
@@ -99,19 +87,15 @@ public abstract class AbstractBitMapProducerTest {
 
         // test BitMapProducers of different length send 0 for missing values.
         final int[] count = new int[3];
-        final LongBiPredicate lbp = new LongBiPredicate() {
-
-            @Override
-            public boolean test(final long x, final long y) {
-                if (x == 0) {
-                    count[0]++;
-                }
-                if (y == 0) {
-                    count[1]++;
-                }
-                count[2]++;
-                return true;
+        final LongBiPredicate lbp = (x, y) -> {
+            if (x == 0) {
+                count[0]++;
             }
+            if (y == 0) {
+                count[1]++;
+            }
+            count[2]++;
+            return true;
         };
         createEmptyProducer().forEachBitMapPair(createProducer(), lbp);
         assertEquals(count[2], count[0]);
@@ -151,13 +135,9 @@ public abstract class AbstractBitMapProducerTest {
 
         // test BitMapProducers of different length send 0 for missing values.
         final int[] count = new int[1];
-        final LongBiPredicate lbp = new LongBiPredicate() {
-
-            @Override
-            public boolean test(final long x, final long y) {
-                count[0]++;
-                return false;
-            }
+        final LongBiPredicate lbp = (x, y) -> {
+            count[0]++;
+            return false;
         };
         createProducer().forEachBitMapPair(createEmptyProducer(), lbp);
         assertEquals(1, count[0]);
diff --git a/src/test/java/org/apache/commons/collections4/bloomfilter/AbstractCountingBloomFilterTest.java b/src/test/java/org/apache/commons/collections4/bloomfilter/AbstractCountingBloomFilterTest.java
index 69a342894..e48044fda 100644
--- a/src/test/java/org/apache/commons/collections4/bloomfilter/AbstractCountingBloomFilterTest.java
+++ b/src/test/java/org/apache/commons/collections4/bloomfilter/AbstractCountingBloomFilterTest.java
@@ -37,17 +37,13 @@ public abstract class AbstractCountingBloomFilterTest<T extends CountingBloomFil
     protected int[] bigHashCounts = {0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1,
         1, 0};
 
-    protected final BitCountProducer maximumValueProducer = new BitCountProducer() {
-
-        @Override
-        public boolean forEachCount(final BitCountProducer.BitCountConsumer consumer) {
-            for (int i = 1; i < 18; i++) {
-                if (!consumer.test(i, Integer.MAX_VALUE)) {
-                    return false;
-                }
+    protected final BitCountProducer maximumValueProducer = consumer -> {
+        for (int i = 1; i < 18; i++) {
+            if (!consumer.test(i, Integer.MAX_VALUE)) {
+                return false;
             }
-            return true;
         }
+        return true;
     };
 
     /**
diff --git a/src/test/java/org/apache/commons/collections4/bloomfilter/BitMapProducerFromIndexProducerTest.java b/src/test/java/org/apache/commons/collections4/bloomfilter/BitMapProducerFromIndexProducerTest.java
index 3a89b7113..87f2a0cfd 100644
--- a/src/test/java/org/apache/commons/collections4/bloomfilter/BitMapProducerFromIndexProducerTest.java
+++ b/src/test/java/org/apache/commons/collections4/bloomfilter/BitMapProducerFromIndexProducerTest.java
@@ -20,7 +20,6 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.function.IntPredicate;
 
 import org.junit.jupiter.api.Test;
 
@@ -28,26 +27,14 @@ public class BitMapProducerFromIndexProducerTest extends AbstractBitMapProducerT
 
     @Override
     protected BitMapProducer createProducer() {
-        final IndexProducer iProducer = new IndexProducer() {
-
-            @Override
-            public boolean forEachIndex(final IntPredicate consumer) {
-                return consumer.test(0) && consumer.test(1) && consumer.test(63) && consumer.test(64)
-                        && consumer.test(127) && consumer.test(128);
-            }
-        };
+        final IndexProducer iProducer = consumer -> consumer.test(0) && consumer.test(1) && consumer.test(63) && consumer.test(64)
+                && consumer.test(127) && consumer.test(128);
         return BitMapProducer.fromIndexProducer(iProducer, 200);
     }
 
     @Override
     protected BitMapProducer createEmptyProducer() {
-        final IndexProducer iProducer = new IndexProducer() {
-
-            @Override
-            public boolean forEachIndex(final IntPredicate consumer) {
-                return true;
-            }
-        };
+        final IndexProducer iProducer = consumer -> true;
         return BitMapProducer.fromIndexProducer(iProducer, 200);
     }
 
diff --git a/src/test/java/org/apache/commons/collections4/bloomfilter/BitMapProducerFromLongArrayTest.java b/src/test/java/org/apache/commons/collections4/bloomfilter/BitMapProducerFromLongArrayTest.java
index b445e6eeb..912ccff05 100644
--- a/src/test/java/org/apache/commons/collections4/bloomfilter/BitMapProducerFromLongArrayTest.java
+++ b/src/test/java/org/apache/commons/collections4/bloomfilter/BitMapProducerFromLongArrayTest.java
@@ -20,7 +20,6 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import java.util.ArrayList;
 import java.util.List;
-import java.util.function.IntPredicate;
 
 import org.junit.jupiter.api.Test;
 
@@ -56,17 +55,13 @@ public class BitMapProducerFromLongArrayTest extends AbstractBitMapProducerTest
     @Test
     public void testFromIndexProducer() {
         final int limit = Integer.SIZE + Long.SIZE;
-        final IndexProducer iProducer = new IndexProducer() {
-
-            @Override
-            public boolean forEachIndex(final IntPredicate consumer) {
-                for (int i = 0; i < limit; i++) {
-                    if (!consumer.test(i)) {
-                        return false;
-                    }
+        final IndexProducer iProducer = consumer -> {
+            for (int i = 0; i < limit; i++) {
+                if (!consumer.test(i)) {
+                    return false;
                 }
-                return true;
             }
+            return true;
         };
         final BitMapProducer producer = BitMapProducer.fromIndexProducer(iProducer, limit);
         final List<Long> lst = new ArrayList<>();
diff --git a/src/test/java/org/apache/commons/collections4/bloomfilter/DefaultBitCountProducerTest.java b/src/test/java/org/apache/commons/collections4/bloomfilter/DefaultBitCountProducerTest.java
index 28c2172e5..54a74ff51 100644
--- a/src/test/java/org/apache/commons/collections4/bloomfilter/DefaultBitCountProducerTest.java
+++ b/src/test/java/org/apache/commons/collections4/bloomfilter/DefaultBitCountProducerTest.java
@@ -28,27 +28,19 @@ public class DefaultBitCountProducerTest extends AbstractBitCountProducerTest {
 
     @Override
     protected BitCountProducer createProducer() {
-        return new BitCountProducer() {
-            @Override
-            public boolean forEachCount(final BitCountConsumer consumer) {
-                for (final int i : values) {
-                    if (!consumer.test(i, 1)) {
-                        return false;
-                    }
+        return consumer -> {
+            for (final int i : values) {
+                if (!consumer.test(i, 1)) {
+                    return false;
                 }
-                return true;
             }
+            return true;
         };
     }
 
     @Override
     protected BitCountProducer createEmptyProducer() {
-        return new BitCountProducer() {
-            @Override
-            public boolean forEachCount(final BitCountConsumer consumer) {
-                return true;
-            }
-        };
+        return consumer -> true;
     }
 
     @Override
diff --git a/src/test/java/org/apache/commons/collections4/bloomfilter/DefaultIndexProducerTest.java b/src/test/java/org/apache/commons/collections4/bloomfilter/DefaultIndexProducerTest.java
index 5c663300a..2682a96a7 100644
--- a/src/test/java/org/apache/commons/collections4/bloomfilter/DefaultIndexProducerTest.java
+++ b/src/test/java/org/apache/commons/collections4/bloomfilter/DefaultIndexProducerTest.java
@@ -22,7 +22,6 @@ import java.util.Arrays;
 import java.util.BitSet;
 import java.util.Objects;
 import java.util.concurrent.ThreadLocalRandom;
-import java.util.function.IntPredicate;
 
 import org.junit.jupiter.api.Test;
 
@@ -38,28 +37,22 @@ public class DefaultIndexProducerTest extends AbstractIndexProducerTest {
 
     @Override
     protected IndexProducer createProducer() {
-        return new IndexProducer() {
-            @Override
-            public boolean forEachIndex(final IntPredicate predicate) {
-                Objects.requireNonNull(predicate);
-                for (final int i : values) {
-                    if (!predicate.test(i)) {
-                        return false;
-                    }
+        return predicate -> {
+            Objects.requireNonNull(predicate);
+            for (final int i : values) {
+                if (!predicate.test(i)) {
+                    return false;
                 }
-                return true;
             }
+            return true;
         };
     }
 
     @Override
     protected IndexProducer createEmptyProducer() {
-        return new IndexProducer() {
-            @Override
-            public boolean forEachIndex(final IntPredicate predicate) {
-                Objects.requireNonNull(predicate);
-                return true;
-            }
+        return predicate -> {
+            Objects.requireNonNull(predicate);
+            return true;
         };
     }