This is an automated email from the ASF dual-hosted git repository.
ibessonov pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/ignite-3.git
The following commit(s) were added to refs/heads/main by this push:
new cf946e9f94 IGNITE-20398 Filter null values for any cfg (#2580)
cf946e9f94 is described below
commit cf946e9f9475be1aba308a9a6b7b2c36a489b48d
Author: Mikhail <[email protected]>
AuthorDate: Wed Sep 13 15:35:59 2023 +0300
IGNITE-20398 Filter null values for any cfg (#2580)
---
.../processor/ConfigurationProcessor.java | 3 +-
.../configuration/ConfigurationTreeGenerator.java | 10 +-
.../ConfigurationNotificationUtils.java | 42 ++++-
.../notifications/ConfigurationNotifier.java | 44 ++---
.../configuration/util/ConfigurationUtil.java | 138 +++++++++++++++-
.../configuration/util/ConfigurationUtilTest.java | 106 ++++++++++++
.../ignite/internal/util/CollectionUtils.java | 184 +++------------------
.../ignite/internal/util/CollectionUtilsTest.java | 88 +---------
.../persistence/compaction/Compactor.java | 2 +-
.../persistence/store/FilePageStoreManager.java | 5 +-
.../persistence/store/GroupPageStoresMap.java | 7 +-
.../store/FilePageStoreManagerTest.java | 8 +-
.../persistence/store/GroupPageStoresMapTest.java | 9 +-
13 files changed, 338 insertions(+), 308 deletions(-)
diff --git
a/modules/configuration-annotation-processor/src/main/java/org/apache/ignite/internal/configuration/processor/ConfigurationProcessor.java
b/modules/configuration-annotation-processor/src/main/java/org/apache/ignite/internal/configuration/processor/ConfigurationProcessor.java
index bc86798d14..e399bcaad4 100644
---
a/modules/configuration-annotation-processor/src/main/java/org/apache/ignite/internal/configuration/processor/ConfigurationProcessor.java
+++
b/modules/configuration-annotation-processor/src/main/java/org/apache/ignite/internal/configuration/processor/ConfigurationProcessor.java
@@ -33,7 +33,6 @@ import static
org.apache.ignite.internal.configuration.processor.ConfigurationPr
import static org.apache.ignite.internal.util.ArrayUtils.nullOrEmpty;
import static org.apache.ignite.internal.util.CollectionUtils.concat;
import static org.apache.ignite.internal.util.CollectionUtils.difference;
-import static org.apache.ignite.internal.util.CollectionUtils.viewReadOnly;
import com.google.auto.service.AutoService;
import com.squareup.javapoet.ClassName;
@@ -760,7 +759,7 @@ public class ConfigurationProcessor extends
AbstractProcessor {
/** {@inheritDoc} */
@Override
public Set<String> getSupportedAnnotationTypes() {
- return Set.copyOf(viewReadOnly(supportedAnnotationTypes(),
Class::getCanonicalName));
+ return
supportedAnnotationTypes().stream().map(Class::getCanonicalName).collect(toSet());
}
/** {@inheritDoc} */
diff --git
a/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/ConfigurationTreeGenerator.java
b/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/ConfigurationTreeGenerator.java
index 74784db651..b8447ff8e6 100644
---
a/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/ConfigurationTreeGenerator.java
+++
b/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/ConfigurationTreeGenerator.java
@@ -24,12 +24,12 @@ import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toMap;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.collectSchemas;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.isPolymorphicId;
+import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.mapIterable;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.polymorphicInstanceId;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.polymorphicSchemaExtensions;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.schemaExtensions;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.schemaFields;
import static org.apache.ignite.internal.util.CollectionUtils.difference;
-import static org.apache.ignite.internal.util.CollectionUtils.viewReadOnly;
import java.lang.reflect.Field;
import java.util.Collection;
@@ -161,12 +161,14 @@ public class ConfigurationTreeGenerator implements
ManuallyCloseable {
* @param polymorphicSchemaExtensions polymorphic schema extensions
* @return set of all schema classes
*/
- private static Set<Class<?>> collectAllSchemas(Collection<RootKey<?, ?>>
rootKeys,
+ private static Set<Class<?>> collectAllSchemas(
+ Collection<RootKey<?, ?>> rootKeys,
Collection<Class<?>> internalSchemaExtensions,
- Collection<Class<?>> polymorphicSchemaExtensions) {
+ Collection<Class<?>> polymorphicSchemaExtensions
+ ) {
Set<Class<?>> allSchemas = new HashSet<>();
- allSchemas.addAll(collectSchemas(viewReadOnly(rootKeys,
RootKey::schemaClass)));
+ allSchemas.addAll(collectSchemas(mapIterable(rootKeys,
RootKey::schemaClass)));
allSchemas.addAll(collectSchemas(internalSchemaExtensions));
allSchemas.addAll(collectSchemas(polymorphicSchemaExtensions));
diff --git
a/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/notifications/ConfigurationNotificationUtils.java
b/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/notifications/ConfigurationNotificationUtils.java
index b47d09bb0c..9faf5bfa60 100644
---
a/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/notifications/ConfigurationNotificationUtils.java
+++
b/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/notifications/ConfigurationNotificationUtils.java
@@ -20,11 +20,8 @@ package
org.apache.ignite.internal.configuration.notifications;
import static java.util.Collections.emptyIterator;
import java.io.Serializable;
-import java.util.Collection;
import java.util.Iterator;
-import java.util.Objects;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
+import java.util.NoSuchElementException;
import org.apache.ignite.configuration.notifications.ConfigurationListener;
import
org.apache.ignite.configuration.notifications.ConfigurationNamedListListener;
import org.apache.ignite.internal.configuration.ConfigurationNode;
@@ -121,12 +118,39 @@ class ConfigurationNotificationUtils {
* @param anyConfig New {@link NamedListConfiguration#any "any"}
configuration.
* @return Merged {@link NamedListConfiguration#any "any"} configurations.
*/
- static Collection<DynamicConfiguration<InnerNode, ?>> mergeAnyConfigs(
- Collection<DynamicConfiguration<InnerNode, ?>> anyConfigs,
+ static Iterable<DynamicConfiguration<InnerNode, ?>> mergeAnyConfigs(
+ Iterable<DynamicConfiguration<InnerNode, ?>> anyConfigs,
@Nullable DynamicConfiguration<InnerNode, ?> anyConfig
) {
- return Stream.concat(anyConfigs.stream(), Stream.of(anyConfig))
- .filter(Objects::nonNull)
- .collect(Collectors.toList());
+ if (anyConfig == null) {
+ return anyConfigs;
+ }
+
+ return () -> {
+ Iterator<DynamicConfiguration<InnerNode, ?>> innerIterator =
anyConfigs.iterator();
+
+ return new Iterator<>() {
+ boolean finished = false;
+ @Override
+ public boolean hasNext() {
+ return innerIterator.hasNext() || !finished;
+ }
+
+ @Override
+ public DynamicConfiguration<InnerNode, ?> next() {
+ if (finished) {
+ throw new NoSuchElementException();
+ }
+
+ if (innerIterator.hasNext()) {
+ return innerIterator.next();
+ }
+
+ finished = true;
+
+ return anyConfig;
+ }
+ };
+ };
}
}
diff --git
a/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/notifications/ConfigurationNotifier.java
b/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/notifications/ConfigurationNotifier.java
index 0da13024f1..4d58120469 100644
---
a/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/notifications/ConfigurationNotifier.java
+++
b/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/notifications/ConfigurationNotifier.java
@@ -26,10 +26,10 @@ import static
org.apache.ignite.internal.configuration.notifications.Configurati
import static
org.apache.ignite.internal.configuration.notifications.ConfigurationNotificationUtils.namedDynamicConfig;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.innerNodeVisitor;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.leafNodeVisitor;
+import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.mapIterable;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.namedListNodeVisitor;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.touch;
import static org.apache.ignite.internal.util.CollectionUtils.concat;
-import static org.apache.ignite.internal.util.CollectionUtils.viewReadOnly;
import java.io.Serializable;
import java.lang.reflect.Field;
@@ -100,7 +100,7 @@ public class ConfigurationNotifier {
@Nullable InnerNode oldInnerNode,
InnerNode newInnerNode,
DynamicConfiguration<InnerNode, ?> config,
- Collection<DynamicConfiguration<InnerNode, ?>> anyConfigs,
+ Iterable<DynamicConfiguration<InnerNode, ?>> anyConfigs,
ConfigurationNotificationContext ctx
) {
assert !(config instanceof NamedListConfiguration);
@@ -111,7 +111,7 @@ public class ConfigurationNotifier {
notifyPublicListeners(
listeners(config, ctx.notificationNum),
- concat(viewReadOnly(anyConfigs, anyCfg -> listeners(anyCfg,
ctx.notificationNum))),
+ concat(mapIterable(anyConfigs, anyCfg -> listeners(anyCfg,
ctx.notificationNum))),
oldInnerNode.specificNode(),
newInnerNode.specificNode(),
ctx,
@@ -135,7 +135,7 @@ public class ConfigurationNotifier {
if (newLeaf != oldLeaf) {
notifyPublicListeners(
listeners(dynamicProperty(config, key),
ctx.notificationNum),
- concat(viewReadOnly(anyConfigs, anyCfg ->
listeners(dynamicProperty(anyCfg, key), ctx.notificationNum))),
+ concat(mapIterable(anyConfigs, anyCfg ->
listeners(dynamicProperty(anyCfg, key), ctx.notificationNum))),
oldLeaf,
newLeaf,
ctx,
@@ -159,7 +159,7 @@ public class ConfigurationNotifier {
oldNode,
newNode,
newConfig,
- viewReadOnly(anyConfigs, anyCfg ->
dynamicConfig(anyCfg, key)),
+ mapIterable(anyConfigs, anyCfg ->
dynamicConfig(anyCfg, key)),
ctx
);
@@ -177,7 +177,7 @@ public class ConfigurationNotifier {
if (newNamedList != oldNamedList) {
notifyPublicListeners(
listeners(namedDynamicConfig(config, key),
ctx.notificationNum),
- concat(viewReadOnly(anyConfigs, anyCfg ->
listeners(namedDynamicConfig(anyCfg, key), ctx.notificationNum))),
+ concat(mapIterable(anyConfigs, anyCfg ->
listeners(namedDynamicConfig(anyCfg, key), ctx.notificationNum))),
oldNamedList,
newNamedList,
ctx,
@@ -191,7 +191,7 @@ public class ConfigurationNotifier {
Map<String, ConfigurationProperty<?>> namedListCfgMembers
= namedListCfg.touchMembers();
// Lazy initialization.
- Collection<DynamicConfiguration<InnerNode, ?>>
newAnyConfigs = null;
+ Iterable<DynamicConfiguration<InnerNode, ?>> newAnyConfigs
= null;
for (String name : namedListChanges.created) {
DynamicConfiguration<InnerNode, ?> newNodeCfg =
@@ -205,7 +205,7 @@ public class ConfigurationNotifier {
notifyPublicListeners(
extendedListeners(namedDynamicConfig(config,
key), ctx.notificationNum),
- concat(viewReadOnly(
+ concat(mapIterable(
anyConfigs,
anyCfg ->
extendedListeners(namedDynamicConfig(anyCfg, key), ctx.notificationNum)
)),
@@ -217,7 +217,7 @@ public class ConfigurationNotifier {
if (newAnyConfigs == null) {
newAnyConfigs = mergeAnyConfigs(
- viewReadOnly(anyConfigs, anyCfg ->
any(namedDynamicConfig(anyCfg, key))),
+ mapIterable(anyConfigs, anyCfg ->
any(namedDynamicConfig(anyCfg, key))),
any(namedListCfg)
);
}
@@ -242,7 +242,7 @@ public class ConfigurationNotifier {
notifyPublicListeners(
extendedListeners(namedDynamicConfig(config,
key), ctx.notificationNum),
- concat(viewReadOnly(
+ concat(mapIterable(
anyConfigs,
anyCfg ->
extendedListeners(namedDynamicConfig(anyCfg, key), ctx.notificationNum)
)),
@@ -256,7 +256,7 @@ public class ConfigurationNotifier {
notifyPublicListeners(
listeners(delNodeCfg, ctx.notificationNum),
- concat(viewReadOnly(
+ concat(mapIterable(
anyConfigs,
anyCfg ->
listeners(any(namedDynamicConfig(anyCfg, key)), ctx.notificationNum)
)),
@@ -277,7 +277,7 @@ public class ConfigurationNotifier {
notifyPublicListeners(
extendedListeners(namedDynamicConfig(config,
key), ctx.notificationNum),
- concat(viewReadOnly(
+ concat(mapIterable(
anyConfigs,
anyCfg ->
extendedListeners(namedDynamicConfig(anyCfg, key), ctx.notificationNum)
)),
@@ -305,7 +305,7 @@ public class ConfigurationNotifier {
notifyPublicListeners(
extendedListeners(namedDynamicConfig(config,
key), ctx.notificationNum),
- concat(viewReadOnly(
+ concat(mapIterable(
anyConfigs,
anyCfg ->
extendedListeners(namedDynamicConfig(anyCfg, key), ctx.notificationNum)
)),
@@ -317,7 +317,7 @@ public class ConfigurationNotifier {
if (newAnyConfigs == null) {
newAnyConfigs = mergeAnyConfigs(
- viewReadOnly(anyConfigs, anyCfg ->
any(namedDynamicConfig(anyCfg, key))),
+ mapIterable(anyConfigs, anyCfg ->
any(namedDynamicConfig(anyCfg, key))),
any(namedListCfg)
);
}
@@ -349,14 +349,14 @@ public class ConfigurationNotifier {
private static void notifyListeners(
InnerNode innerNode,
DynamicConfiguration<InnerNode, ?> config,
- Collection<DynamicConfiguration<InnerNode, ?>> anyConfigs,
+ Iterable<DynamicConfiguration<InnerNode, ?>> anyConfigs,
ConfigurationNotificationContext ctx
) {
assert !(config instanceof NamedListConfiguration);
notifyPublicListeners(
listeners(config, ctx.notificationNum),
- concat(viewReadOnly(anyConfigs, anyCfg -> listeners(anyCfg,
ctx.notificationNum))),
+ concat(mapIterable(anyConfigs, anyCfg -> listeners(anyCfg,
ctx.notificationNum))),
null,
innerNode.specificNode(),
ctx,
@@ -369,7 +369,7 @@ public class ConfigurationNotifier {
public Void visitLeafNode(Field field, String key, Serializable
leaf) {
notifyPublicListeners(
listeners(dynamicProperty(config, key),
ctx.notificationNum),
- concat(viewReadOnly(
+ concat(mapIterable(
anyConfigs,
anyCfg -> listeners(dynamicProperty(anyCfg,
key), ctx.notificationNum)
)),
@@ -392,7 +392,7 @@ public class ConfigurationNotifier {
notifyListeners(
nestedInnerNode,
nestedNodeConfig,
- viewReadOnly(anyConfigs, anyCfg ->
dynamicConfig(anyCfg, key)),
+ mapIterable(anyConfigs, anyCfg ->
dynamicConfig(anyCfg, key)),
ctx
);
@@ -406,7 +406,7 @@ public class ConfigurationNotifier {
public Void visitNamedListNode(Field field, String key,
NamedListNode<?> newNamedList) {
notifyPublicListeners(
listeners(namedDynamicConfig(config, key),
ctx.notificationNum),
- concat(viewReadOnly(
+ concat(mapIterable(
anyConfigs,
anyCfg -> listeners(namedDynamicConfig(anyCfg,
key), ctx.notificationNum)
)),
@@ -419,7 +419,7 @@ public class ConfigurationNotifier {
// Created only.
// Lazy initialization.
- Collection<DynamicConfiguration<InnerNode, ?>> newAnyConfigs =
null;
+ Iterable<DynamicConfiguration<InnerNode, ?>> newAnyConfigs =
null;
NamedListConfiguration<?, InnerNode, ?> namedListCfg =
namedDynamicConfig(config, key);
@@ -436,7 +436,7 @@ public class ConfigurationNotifier {
notifyPublicListeners(
extendedListeners(namedDynamicConfig(config, key),
ctx.notificationNum),
- concat(viewReadOnly(
+ concat(mapIterable(
anyConfigs,
anyCfg ->
extendedListeners(namedDynamicConfig(anyCfg, key), ctx.notificationNum)
)),
@@ -448,7 +448,7 @@ public class ConfigurationNotifier {
if (newAnyConfigs == null) {
newAnyConfigs = mergeAnyConfigs(
- viewReadOnly(anyConfigs, anyCfg ->
any(namedDynamicConfig(anyCfg, key))),
+ mapIterable(anyConfigs, anyCfg ->
any(namedDynamicConfig(anyCfg, key))),
any(namedDynamicConfig(config, key))
);
}
diff --git
a/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/util/ConfigurationUtil.java
b/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/util/ConfigurationUtil.java
index c2003a8988..24e5f50a96 100644
---
a/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/util/ConfigurationUtil.java
+++
b/modules/configuration/src/main/java/org/apache/ignite/internal/configuration/util/ConfigurationUtil.java
@@ -31,6 +31,7 @@ import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
+import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
@@ -42,6 +43,8 @@ import java.util.Queue;
import java.util.RandomAccess;
import java.util.Set;
import java.util.UUID;
+import java.util.function.Function;
+import java.util.function.Predicate;
import java.util.stream.Stream;
import org.apache.ignite.configuration.ConfigurationProperty;
import
org.apache.ignite.configuration.ConfigurationWrongPolymorphicTypeIdException;
@@ -79,6 +82,9 @@ public class ConfigurationUtil {
public static final ConfigurationSource EMPTY_CFG_SRC = new
ConfigurationSource() {
};
+ /** Special object for determining that there is no next element. */
+ private static final Object NO_NEXT_ELEMENT = new Object();
+
/**
* Seperator string for both public and internal representations of
configuration keys.
*/
@@ -509,14 +515,11 @@ public class ConfigurationUtil {
* @throws IllegalArgumentException If the configuration schemas does not
contain {@link ConfigurationRoot}, {@link Config} or {@link
* PolymorphicConfig}.
*/
- public static Set<Class<?>> collectSchemas(Collection<Class<?>>
schemaClasses) {
- if (schemaClasses.isEmpty()) {
- return Set.of();
- }
-
+ public static Set<Class<?>> collectSchemas(Iterable<Class<?>>
schemaClasses) {
Set<Class<?>> res = new HashSet<>();
- Queue<Class<?>> queue = new ArrayDeque<>(Set.copyOf(schemaClasses));
+ Queue<Class<?>> queue = new ArrayDeque<>();
+ schemaClasses.forEach(queue::add);
while (!queue.isEmpty()) {
Class<?> cls = queue.poll();
@@ -886,6 +889,129 @@ public class ConfigurationUtil {
}
}
+ /**
+ * Maps iterable via provided mapper function. Filter all {@code null}
mapped values.
+ *
+ * @param iterable Basic iterable.
+ * @param mapper Conversion function.
+ * @param <T1> Base type of the iterable.
+ * @param <T2> Type for view.
+ * @return Mapped iterable.
+ */
+ public static <T1, T2> Iterable<T2> mapIterable(
+ @Nullable Iterable<? extends T1> iterable,
+ @Nullable Function<? super T1, ? extends T2> mapper
+ ) {
+ if (iterable == null) {
+ return Collections.emptyList();
+ }
+
+ if (mapper == null) {
+ return (Iterable<T2>) iterable;
+ }
+
+ return () -> {
+ Iterator<? extends T1> innerIterator = iterable.iterator();
+ return new Iterator<>() {
+ @Nullable
+ private T2 next;
+
+ @Override
+ public boolean hasNext() {
+ if (next != null) {
+ return true;
+ }
+
+ while (innerIterator.hasNext()) {
+ next = mapper.apply(innerIterator.next());
+ if (next != null) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ @Override
+ public T2 next() {
+ if (!hasNext()) {
+ throw new NoSuchElementException();
+ }
+
+ T2 result = next;
+ next = null;
+ return result;
+ }
+ };
+ };
+ }
+
+ /**
+ * Maps iterable via provided mapper function.
+ *
+ * @param iterable Basic iterable.
+ * @param mapper Conversion function.
+ * @param predicate Predicate to apply to each element of basic iterable.
+ * @param <T1> Base type of the iterable.
+ * @param <T2> Type for view.
+ * @return Mapped iterable.
+ */
+ public static <T1, T2> Iterable<T2> mapIterable(
+ @Nullable Iterable<? extends T1> iterable,
+ @Nullable Function<? super T1, ? extends T2> mapper,
+ @Nullable Predicate<? super T1> predicate
+ ) {
+ if (iterable == null) {
+ return Collections.emptyList();
+ }
+
+ if (mapper == null && predicate == null) {
+ return (Iterable<T2>) iterable;
+ }
+
+ return new Iterable<>() {
+ @Override
+ public Iterator<T2> iterator() {
+ Iterator<? extends T1> innerIterator = iterable.iterator();
+ return new Iterator<>() {
+ @Nullable
+ T1 current = advance();
+
+ /** {@inheritDoc} */
+ @Override
+ public boolean hasNext() {
+ return current != NO_NEXT_ELEMENT;
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public T2 next() {
+ T1 current = this.current;
+
+ if (current == NO_NEXT_ELEMENT) {
+ throw new NoSuchElementException();
+ }
+
+ this.current = advance();
+
+ return mapper == null ? (T2) current :
mapper.apply(current);
+ }
+
+ private @Nullable T1 advance() {
+ while (innerIterator.hasNext()) {
+ T1 next = innerIterator.next();
+
+ if (predicate == null || predicate.test(next)) {
+ return next;
+ }
+ }
+
+ return (T1) NO_NEXT_ELEMENT;
+ }
+ };
+ }
+ };
+ }
+
/**
* Leaf configuration source.
*/
diff --git
a/modules/configuration/src/test/java/org/apache/ignite/internal/configuration/util/ConfigurationUtilTest.java
b/modules/configuration/src/test/java/org/apache/ignite/internal/configuration/util/ConfigurationUtilTest.java
index 19a527214e..2ac4b6decf 100644
---
a/modules/configuration/src/test/java/org/apache/ignite/internal/configuration/util/ConfigurationUtilTest.java
+++
b/modules/configuration/src/test/java/org/apache/ignite/internal/configuration/util/ConfigurationUtilTest.java
@@ -17,7 +17,9 @@
package org.apache.ignite.internal.configuration.util;
+import static java.util.Collections.emptyList;
import static java.util.Collections.singletonMap;
+import static java.util.function.Function.identity;
import static java.util.stream.Collectors.toList;
import static
org.apache.ignite.configuration.annotation.ConfigurationType.DISTRIBUTED;
import static
org.apache.ignite.configuration.annotation.ConfigurationType.LOCAL;
@@ -31,6 +33,7 @@ import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.co
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.compressDeletedEntries;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.extensionsFields;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.find;
+import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.mapIterable;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.polymorphicSchemaExtensions;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.removeLastKey;
import static
org.apache.ignite.internal.configuration.util.ConfigurationUtil.schemaExtensions;
@@ -43,6 +46,7 @@ import static org.hamcrest.Matchers.hasToString;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.matchesPattern;
import static org.hamcrest.Matchers.nullValue;
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
@@ -55,12 +59,16 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.Serializable;
import java.util.Arrays;
import java.util.HashMap;
+import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
+import java.util.Objects;
import java.util.Set;
+import java.util.Spliterators;
import java.util.UUID;
import java.util.function.Consumer;
+import java.util.stream.StreamSupport;
import org.apache.ignite.configuration.NamedListView;
import org.apache.ignite.configuration.RootKey;
import org.apache.ignite.configuration.annotation.Config;
@@ -1117,6 +1125,104 @@ public class ConfigurationUtilTest {
assertNotSame(afterDefaults, beforeDefaults);
}
+ /**
+ * Collect of elements.
+ *
+ * @param iterable Iterable.
+ * @param <T> Type of the elements.
+ * @return Collected elements.
+ */
+ private <T> List<? extends T> collect(Iterable<? extends T> iterable) {
+ return
StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterable.iterator(),
0), false).collect(toList());
+ }
+
+ @Test
+ void testMapIterable() {
+ assertFalse(mapIterable(null, null).iterator().hasNext());
+ assertFalse(mapIterable(emptyList(), null).iterator().hasNext());
+
+ assertEquals(List.of(1), collect(mapIterable(List.of(1), null)));
+ assertEquals(List.of(1), collect(mapIterable(List.of(1), identity())));
+
+ assertEquals(List.of("1", "2", "3"), collect(mapIterable(List.of(1, 2,
3), String::valueOf)));
+
+ assertThrows(UnsupportedOperationException.class, () ->
mapIterable(List.of(1), null).iterator().remove());
+
+ Iterator<Integer> iterator = mapIterable(Arrays.asList(1, 2, null, 3),
identity()).iterator();
+
+ //Test iterator contracts
+ assertTrue(iterator.hasNext());
+ assertEquals(1, iterator.next());
+
+ assertEquals(2, iterator.next());
+
+ assertTrue(iterator.hasNext());
+ assertTrue(iterator.hasNext());
+ assertEquals(3, iterator.next());
+
+ assertFalse(iterator.hasNext());
+ assertFalse(iterator.hasNext());
+ assertThrows(NoSuchElementException.class, iterator::next);
+ assertThrows(NoSuchElementException.class, iterator::next);
+ assertFalse(iterator.hasNext());
+ }
+
+ @Test
+ void testMapIterableWithPredicate() {
+ assertFalse(mapIterable(null, null, null).iterator().hasNext());
+ assertFalse(mapIterable(emptyList(), null, null).iterator().hasNext());
+
+ assertEquals(List.of(1), collect(mapIterable(List.of(1), null, null)));
+ assertEquals(List.of(1), collect(mapIterable(List.of(1), identity(),
null)));
+ assertEquals(List.of(1), collect(mapIterable(List.of(1), null, integer
-> true)));
+ assertEquals(List.of(1), collect(mapIterable(List.of(1), identity(),
integer -> true)));
+ assertEquals(List.of(), collect(mapIterable(List.of(1), null, integer
-> false)));
+ assertEquals(List.of(), collect(mapIterable(List.of(1), identity(),
integer -> false)));
+
+ assertEquals(List.of("1", "2", "3"), collect(mapIterable(List.of(1, 2,
3), String::valueOf, null)));
+ assertEquals(List.of("3"), collect(mapIterable(List.of(1, 2, 3),
String::valueOf, integer -> integer > 2)));
+
+ Iterator<String> iterator1 = mapIterable(List.of(1, 2, 3, 4),
String::valueOf, integer -> true).iterator();
+ assertEquals("1", iterator1.next());
+ assertEquals("2", iterator1.next());
+ assertEquals("3", iterator1.next());
+ assertEquals("4", iterator1.next());
+
+ Iterator<String> iterator2 = mapIterable(List.of(1, 2, 3, 4),
String::valueOf, null).iterator();
+ assertEquals("1", iterator2.next());
+ assertEquals("2", iterator2.next());
+ assertEquals("3", iterator2.next());
+ assertEquals("4", iterator2.next());
+
+ Iterator<Integer> iterator3 = mapIterable(List.of(1, 2, 3, 4),
identity(), integer -> integer < 3).iterator();
+ assertEquals(1, iterator3.next());
+ assertEquals(2, iterator3.next());
+
+ Iterator<Integer> iterator4 = mapIterable(List.of(1, 2, 3, 4),
identity(), integer -> false).iterator();
+ assertFalse(iterator4.hasNext());
+
+ assertDoesNotThrow(() -> mapIterable(Arrays.asList(new
Integer[]{null}), null, null).iterator().next());
+ assertDoesNotThrow(() -> mapIterable(Arrays.asList(new
Integer[]{null}), null, integer -> true).iterator().next());
+ assertDoesNotThrow(() -> mapIterable(Arrays.asList(null, 1), null,
null).iterator().next());
+ assertDoesNotThrow(() -> mapIterable(Arrays.asList(null, 1), null,
integer -> true).iterator().next());
+
+ assertThrows(
+ NoSuchElementException.class,
+ () -> mapIterable(Arrays.asList(new Integer[]{null}), null,
integer -> false).iterator().next()
+ );
+
+ assertThrows(
+ NoSuchElementException.class,
+ () -> {
+ Iterator<Object> iterator =
mapIterable(Arrays.asList(null, 1), null, Objects::nonNull).iterator();
+ iterator.next();
+ iterator.next();
+ }
+ );
+
+ assertThrows(UnsupportedOperationException.class, () ->
mapIterable(List.of(1), null, null).iterator().remove());
+ }
+
/**
* Patches super root and returns flat representation of the changes.
Passed {@code superRoot} object will contain patched tree when
* method execution is completed.
diff --git
a/modules/core/src/main/java/org/apache/ignite/internal/util/CollectionUtils.java
b/modules/core/src/main/java/org/apache/ignite/internal/util/CollectionUtils.java
index 35fc6289ba..10602c7458 100644
---
a/modules/core/src/main/java/org/apache/ignite/internal/util/CollectionUtils.java
+++
b/modules/core/src/main/java/org/apache/ignite/internal/util/CollectionUtils.java
@@ -19,8 +19,6 @@ package org.apache.ignite.internal.util;
import static java.util.Collections.addAll;
import static java.util.Collections.emptyIterator;
-import static java.util.Collections.emptyList;
-import static java.util.Collections.unmodifiableCollection;
import static java.util.Collections.unmodifiableSet;
import static java.util.stream.Collectors.toSet;
@@ -40,7 +38,6 @@ import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;
import java.util.function.Function;
-import java.util.function.Predicate;
import java.util.stream.Collector;
import java.util.stream.Collectors;
import org.jetbrains.annotations.Nullable;
@@ -49,9 +46,6 @@ import org.jetbrains.annotations.Nullable;
* Utility class provides various method to work with collections.
*/
public final class CollectionUtils {
- /** Special object for determining that there is no next element. */
- private static final Object NO_NEXT_ELEMENT = new Object();
-
/** Stub. */
private CollectionUtils() {
// No op.
@@ -316,14 +310,29 @@ public final class CollectionUtils {
* @param <T> Type of the elements.
* @return Concatenation of iterators.
*/
- public static <T> Iterator<T> concat(@Nullable Collection<Iterator<?
extends T>> iterators) {
- if (iterators == null || iterators.isEmpty()) {
+ public static <T> Iterator<T> concat(@Nullable Iterable<Iterator<? extends
T>> iterators) {
+ if (iterators == null) {
+ return emptyIterator();
+ }
+
+ return concat(iterators.iterator());
+ }
+
+ /**
+ * Create a lazy concatenation of iterators.
+ *
+ * <p>NOTE: {@link Iterator#remove} - not supported.
+ *
+ * @param iterators Iterators.
+ * @param <T> Type of the elements.
+ * @return Concatenation of iterators.
+ */
+ public static <T> Iterator<T> concat(@Nullable Iterator<Iterator<? extends
T>> iterators) {
+ if (iterators == null || !iterators.hasNext()) {
return emptyIterator();
}
return new Iterator<>() {
- /** Super iterator. */
- final Iterator<Iterator<? extends T>> it = iterators.iterator();
/** Current iterator. */
Iterator<? extends T> curr = emptyIterator();
@@ -331,8 +340,8 @@ public final class CollectionUtils {
/** {@inheritDoc} */
@Override
public boolean hasNext() {
- while (!curr.hasNext() && it.hasNext()) {
- curr = it.next();
+ while (!curr.hasNext() && iterators.hasNext()) {
+ curr = iterators.next();
}
return curr.hasNext();
@@ -410,157 +419,6 @@ public final class CollectionUtils {
};
}
- /**
- * Create a collection view that can only be read.
- *
- * @param collection Basic collection.
- * @param mapper Conversion function.
- * @param <T1> Base type of the collection.
- * @param <T2> Type for view.
- * @return Read-only collection view.
- */
- public static <T1, T2> Collection<T2> viewReadOnly(
- @Nullable Collection<? extends T1> collection,
- @Nullable Function<? super T1, ? extends T2> mapper
- ) {
- if (nullOrEmpty(collection)) {
- return emptyList();
- }
-
- if (mapper == null) {
- return unmodifiableCollection((Collection<T2>) collection);
- }
-
- return new AbstractCollection<>() {
- /** {@inheritDoc} */
- @Override
- public Iterator<T2> iterator() {
- Iterator<? extends T1> iterator = collection.iterator();
-
- return new Iterator<>() {
- /** {@inheritDoc} */
- @Override
- public boolean hasNext() {
- return iterator.hasNext();
- }
-
- /** {@inheritDoc} */
- @Override
- public T2 next() {
- return mapper.apply(iterator.next());
- }
- };
- }
-
- /** {@inheritDoc} */
- @Override
- public int size() {
- return collection.size();
- }
-
- /** {@inheritDoc} */
- @Override
- public boolean isEmpty() {
- return collection.isEmpty();
- }
- };
- }
-
- /**
- * Create a collection view that can only be read.
- *
- * @param collection Basic collection.
- * @param mapper Conversion function.
- * @param predicate Predicate to apply to each element of basic collection.
- * @param <T1> Base type of the collection.
- * @param <T2> Type for view.
- * @return Read-only collection view.
- */
- public static <T1, T2> Collection<T2> viewReadOnly(
- @Nullable Collection<? extends T1> collection,
- @Nullable Function<? super T1, ? extends T2> mapper,
- @Nullable Predicate<? super T1> predicate
- ) {
- if (collection == null) {
- return emptyList();
- }
-
- if (mapper == null && predicate == null) {
- return unmodifiableCollection((Collection<T2>) collection);
- }
-
- return new AbstractCollection<>() {
- /** {@inheritDoc} */
- @Override
- public Iterator<T2> iterator() {
- Iterator<? extends T1> iterator = collection.iterator();
-
- return new Iterator<>() {
- @Nullable
- T1 current = advance();
-
- /** {@inheritDoc} */
- @Override
- public boolean hasNext() {
- return current != NO_NEXT_ELEMENT;
- }
-
- /** {@inheritDoc} */
- @Override
- public T2 next() {
- T1 current = this.current;
-
- if (current == NO_NEXT_ELEMENT) {
- throw new NoSuchElementException();
- }
-
- this.current = advance();
-
- return mapper == null ? (T2) current :
mapper.apply(current);
- }
-
- private @Nullable T1 advance() {
- while (iterator.hasNext()) {
- T1 next = iterator.next();
-
- if (predicate == null || predicate.test(next)) {
- return next;
- }
- }
-
- return (T1) NO_NEXT_ELEMENT;
- }
- };
- }
-
- /** {@inheritDoc} */
- @Override
- public int size() {
- if (predicate == null) {
- return collection.size();
- }
-
- int count = 0;
-
- for (Iterator<T2> iterator = iterator(); iterator.hasNext();
iterator.next()) {
- count++;
- }
-
- return count;
- }
-
- /** {@inheritDoc} */
- @Override
- public boolean isEmpty() {
- if (predicate == null) {
- return collection.isEmpty();
- }
-
- return size() == 0;
- }
- };
- }
-
/**
* Difference of two sets.
*
diff --git
a/modules/core/src/test/java/org/apache/ignite/internal/util/CollectionUtilsTest.java
b/modules/core/src/test/java/org/apache/ignite/internal/util/CollectionUtilsTest.java
index b3cbc4107c..4bf160b553 100644
---
a/modules/core/src/test/java/org/apache/ignite/internal/util/CollectionUtilsTest.java
+++
b/modules/core/src/test/java/org/apache/ignite/internal/util/CollectionUtilsTest.java
@@ -18,7 +18,6 @@
package org.apache.ignite.internal.util;
import static java.util.Collections.emptyIterator;
-import static java.util.function.Function.identity;
import static java.util.stream.Collectors.toList;
import static org.apache.ignite.internal.util.CollectionUtils.concat;
import static org.apache.ignite.internal.util.CollectionUtils.difference;
@@ -26,11 +25,9 @@ import static
org.apache.ignite.internal.util.CollectionUtils.intersect;
import static org.apache.ignite.internal.util.CollectionUtils.last;
import static org.apache.ignite.internal.util.CollectionUtils.setOf;
import static org.apache.ignite.internal.util.CollectionUtils.union;
-import static org.apache.ignite.internal.util.CollectionUtils.viewReadOnly;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.is;
-import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
@@ -45,8 +42,6 @@ import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
-import java.util.NoSuchElementException;
-import java.util.Objects;
import java.util.Set;
import java.util.Spliterators;
import java.util.stream.StreamSupport;
@@ -83,87 +78,6 @@ public class CollectionUtilsTest {
assertEquals(Set.of(1, 2), union(Set.of(1), 2));
}
- @Test
- void testViewReadOnly() {
- assertTrue(viewReadOnly(null, null).isEmpty());
- assertTrue(viewReadOnly(List.of(), null).isEmpty());
-
- assertEquals(List.of(1), collect(viewReadOnly(List.of(1), null)));
- assertEquals(List.of(1), collect(viewReadOnly(List.of(1),
identity())));
-
- assertEquals(List.of("1", "2", "3"), collect(viewReadOnly(List.of(1,
2, 3), String::valueOf)));
-
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null).add(1));
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null).addAll(List.of()));
-
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null).remove(1));
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null).removeAll(List.of()));
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null).removeIf(o -> true));
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null).clear());
-
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null).retainAll(List.of()));
-
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null).iterator().remove());
- }
-
- @Test
- void testViewReadOnlyWithPredicate() {
- assertTrue(viewReadOnly(null, null, null).isEmpty());
- assertTrue(viewReadOnly(List.of(), null, null).isEmpty());
-
- assertEquals(List.of(1), collect(viewReadOnly(List.of(1), null,
null)));
- assertEquals(List.of(1), collect(viewReadOnly(List.of(1), identity(),
null)));
- assertEquals(List.of(1), collect(viewReadOnly(List.of(1), null,
integer -> true)));
- assertEquals(List.of(1), collect(viewReadOnly(List.of(1), identity(),
integer -> true)));
- assertEquals(List.of(), collect(viewReadOnly(List.of(1), null, integer
-> false)));
- assertEquals(List.of(), collect(viewReadOnly(List.of(1), identity(),
integer -> false)));
-
- assertEquals(List.of("1", "2", "3"), collect(viewReadOnly(List.of(1,
2, 3), String::valueOf, null)));
- assertEquals(List.of("3"), collect(viewReadOnly(List.of(1, 2, 3),
String::valueOf, integer -> integer > 2)));
-
- assertEquals(4, viewReadOnly(List.of(1, 2, 3, 4), String::valueOf,
integer -> true).size());
- assertEquals(4, viewReadOnly(List.of(1, 2, 3, 4), String::valueOf,
null).size());
- assertEquals(2, viewReadOnly(List.of(1, 2, 3, 4), identity(), integer
-> integer < 3).size());
- assertEquals(0, viewReadOnly(List.of(1, 2, 3, 4), identity(), integer
-> false).size());
-
- assertFalse(viewReadOnly(List.of(1, 2, 3, 4), String::valueOf, integer
-> true).isEmpty());
- assertFalse(viewReadOnly(List.of(1, 2, 3, 4), String::valueOf,
null).isEmpty());
- assertFalse(viewReadOnly(List.of(1, 2, 3, 4), identity(), integer ->
integer > 3).isEmpty());
- assertTrue(viewReadOnly(List.of(1, 2, 3, 4), identity(), integer ->
integer > 4).isEmpty());
- assertTrue(viewReadOnly(List.of(1, 2, 3, 4), identity(), integer ->
false).isEmpty());
-
- assertDoesNotThrow(() -> viewReadOnly(Arrays.asList(new
Integer[]{null}), null, null).iterator().next());
- assertDoesNotThrow(() -> viewReadOnly(Arrays.asList(new
Integer[]{null}), null, integer -> true).iterator().next());
- assertDoesNotThrow(() -> viewReadOnly(Arrays.asList(null, 1), null,
null).iterator().next());
- assertDoesNotThrow(() -> viewReadOnly(Arrays.asList(null, 1), null,
integer -> true).iterator().next());
-
- assertThrows(
- NoSuchElementException.class,
- () -> viewReadOnly(Arrays.asList(new Integer[]{null}), null,
integer -> false).iterator().next()
- );
-
- assertThrows(
- NoSuchElementException.class,
- () -> {
- Iterator<Object> iterator =
viewReadOnly(Arrays.asList(null, 1), null, Objects::nonNull).iterator();
- iterator.next();
- iterator.next();
- }
- );
-
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null, null).add(1));
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null, null).addAll(List.of()));
-
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null, null).remove(1));
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null, null).removeAll(List.of()));
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null, null).removeIf(o -> true));
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null, null).clear());
-
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null, null).retainAll(List.of()));
-
- assertThrows(UnsupportedOperationException.class, () ->
viewReadOnly(List.of(1), null, null).iterator().remove());
- }
-
@Test
void testSetDifference() {
assertTrue(difference(null, Set.of(1, 2, 3, 4)).isEmpty());
@@ -263,7 +177,7 @@ public class CollectionUtilsTest {
}
@Test
- void testConcatCollectionOfIterators() {
+ void testConcatIteratorOfIterators() {
assertTrue(collect(concat((Collection<Iterator<?>>) null)).isEmpty());
assertTrue(collect(concat(List.of())).isEmpty());
assertTrue(collect(concat(List.of(emptyIterator(),
emptyIterator()))).isEmpty());
diff --git
a/modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/compaction/Compactor.java
b/modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/compaction/Compactor.java
index 0320202aee..c5e0cea1b4 100644
---
a/modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/compaction/Compactor.java
+++
b/modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/compaction/Compactor.java
@@ -190,7 +190,7 @@ public class Compactor extends IgniteWorker {
void doCompaction() {
while (true) {
// Let's collect one delta file for each partition.
- Queue<DeltaFileForCompaction> queue =
filePageStoreManager.allPageStores().stream()
+ Queue<DeltaFileForCompaction> queue =
filePageStoreManager.allPageStores()
.map(groupPartitionFilePageStore -> {
DeltaFilePageStoreIo deltaFileToCompaction =
groupPartitionFilePageStore.pageStore().getDeltaFileToCompaction();
diff --git
a/modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/store/FilePageStoreManager.java
b/modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/store/FilePageStoreManager.java
index fd1cc00176..d187724c3e 100644
---
a/modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/store/FilePageStoreManager.java
+++
b/modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/store/FilePageStoreManager.java
@@ -34,7 +34,6 @@ import java.nio.ByteBuffer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
-import java.util.Collection;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.regex.Matcher;
@@ -317,7 +316,7 @@ public class FilePageStoreManager implements
PageReadWriteManager {
/**
* Returns view for all page stores of all groups.
*/
- public Collection<GroupPartitionPageStore<FilePageStore>> allPageStores() {
+ public Stream<GroupPartitionPageStore<FilePageStore>> allPageStores() {
return groupPageStores.getAll();
}
@@ -357,7 +356,7 @@ public class FilePageStoreManager implements
PageReadWriteManager {
* @param cleanFiles Delete files.
*/
void stopAllGroupFilePageStores(boolean cleanFiles) {
- List<FilePageStore> partitionPageStores =
groupPageStores.getAll().stream()
+ List<FilePageStore> partitionPageStores = groupPageStores.getAll()
.map(GroupPartitionPageStore::pageStore)
.collect(toList());
diff --git
a/modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/store/GroupPageStoresMap.java
b/modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/store/GroupPageStoresMap.java
index 8ae97ea6c9..17a7fa2de1 100644
---
a/modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/store/GroupPageStoresMap.java
+++
b/modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/store/GroupPageStoresMap.java
@@ -17,11 +17,10 @@
package org.apache.ignite.internal.pagememory.persistence.store;
-import java.util.Collection;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
+import java.util.stream.Stream;
import org.apache.ignite.internal.pagememory.persistence.GroupPartitionId;
-import org.apache.ignite.internal.util.CollectionUtils;
import org.jetbrains.annotations.Nullable;
/**
@@ -89,8 +88,8 @@ public class GroupPageStoresMap<T extends PageStore> {
/**
* Returns a view of all page stores of all groups.
*/
- public Collection<GroupPartitionPageStore<T>> getAll() {
- return
CollectionUtils.viewReadOnly(groupPartitionIdPageStore.entrySet(),
GroupPartitionPageStore::new);
+ public Stream<GroupPartitionPageStore<T>> getAll() {
+ return
groupPartitionIdPageStore.entrySet().stream().map(GroupPartitionPageStore::new);
}
/**
diff --git
a/modules/page-memory/src/test/java/org/apache/ignite/internal/pagememory/persistence/store/FilePageStoreManagerTest.java
b/modules/page-memory/src/test/java/org/apache/ignite/internal/pagememory/persistence/store/FilePageStoreManagerTest.java
index 005d9ca4c0..19c233a0fd 100644
---
a/modules/page-memory/src/test/java/org/apache/ignite/internal/pagememory/persistence/store/FilePageStoreManagerTest.java
+++
b/modules/page-memory/src/test/java/org/apache/ignite/internal/pagememory/persistence/store/FilePageStoreManagerTest.java
@@ -47,6 +47,7 @@ import static org.mockito.Mockito.verify;
import java.nio.file.Files;
import java.nio.file.Path;
+import java.util.Iterator;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.stream.Stream;
@@ -144,8 +145,9 @@ public class FilePageStoreManagerTest extends
BaseIgniteAbstractTest {
assertThat(files.count(), is(0L));
}
- for (GroupPartitionPageStore<FilePageStore> filePageStore :
manager.allPageStores()) {
- filePageStore.pageStore().ensure();
+ Iterator<GroupPartitionPageStore<FilePageStore>> iterator =
manager.allPageStores().iterator();
+ while (iterator.hasNext()) {
+ iterator.next().pageStore().ensure();
}
try (Stream<Path> files = Files.list(testGroupDir)) {
@@ -329,7 +331,7 @@ public class FilePageStoreManagerTest extends
BaseIgniteAbstractTest {
manager.initialize(new GroupPartitionId(1, 0));
manager.initialize(new GroupPartitionId(2, 0));
- List<Path> allPageStoreFiles = manager.allPageStores().stream()
+ List<Path> allPageStoreFiles = manager.allPageStores()
.map(GroupPartitionPageStore::pageStore)
.map(FilePageStore::filePath)
.collect(toList());
diff --git
a/modules/page-memory/src/test/java/org/apache/ignite/internal/pagememory/persistence/store/GroupPageStoresMapTest.java
b/modules/page-memory/src/test/java/org/apache/ignite/internal/pagememory/persistence/store/GroupPageStoresMapTest.java
index 84fd1df75e..03abdaefe0 100644
---
a/modules/page-memory/src/test/java/org/apache/ignite/internal/pagememory/persistence/store/GroupPageStoresMapTest.java
+++
b/modules/page-memory/src/test/java/org/apache/ignite/internal/pagememory/persistence/store/GroupPageStoresMapTest.java
@@ -35,6 +35,7 @@ import static org.mockito.Mockito.when;
import java.util.Collection;
import java.util.function.Supplier;
+import java.util.stream.Stream;
import org.apache.ignite.internal.pagememory.persistence.GroupPartitionId;
import
org.apache.ignite.internal.pagememory.persistence.store.GroupPageStoresMap.GroupPartitionPageStore;
import org.apache.ignite.internal.testframework.BaseIgniteAbstractTest;
@@ -168,7 +169,7 @@ public class GroupPageStoresMapTest extends
BaseIgniteAbstractTest {
@Test
void testGetAll() {
- assertThat(groupPageStoresMap.getAll(), empty());
+ assertThat(groupPageStoresMap.getAll().collect(toList()), empty());
FilePageStore filePageStore0 = mock(FilePageStore.class);
FilePageStore filePageStore1 = mock(FilePageStore.class);
@@ -196,7 +197,7 @@ public class GroupPageStoresMapTest extends
BaseIgniteAbstractTest {
groupPageStoresMap.clear();
- assertThat(groupPageStoresMap.getAll(), empty());
+ assertThat(groupPageStoresMap.getAll().collect(toList()), empty());
}
@Test
@@ -238,9 +239,9 @@ public class GroupPageStoresMapTest extends
BaseIgniteAbstractTest {
}
private static <T extends PageStore>
Collection<TestGroupPartitionPageStore<T>> getAll(
- Collection<GroupPartitionPageStore<T>> groupPartitionPageStores
+ Stream<GroupPartitionPageStore<T>> groupPartitionPageStores
) {
- return groupPartitionPageStores.stream()
+ return groupPartitionPageStores
.map(TestGroupPartitionPageStore::of)
.collect(toList());
}
