Add kotlin function type overloads for map / mapBy
Test: ./gradlew paging:paging-common:check
Change-Id: I4b0534d73725ff12cf05437fe62f4797419324f1
diff --git a/paging/common/api/2.2.0-alpha01.txt b/paging/common/api/2.2.0-alpha01.txt
index 1b5b1fa..9fd763e 100644
--- a/paging/common/api/2.2.0-alpha01.txt
+++ b/paging/common/api/2.2.0-alpha01.txt
@@ -9,7 +9,9 @@
method @WorkerThread public boolean isInvalid();
method public boolean isRetryableError(Throwable error);
method public <ToValue> androidx.paging.DataSource<Key,ToValue> map(androidx.arch.core.util.Function<Value,ToValue> function);
+ method public <ToValue> androidx.paging.DataSource<Key,ToValue> map(kotlin.jvm.functions.Function1<? super Value,? extends ToValue> function);
method public <ToValue> androidx.paging.DataSource<Key,ToValue> mapByPage(androidx.arch.core.util.Function<java.util.List<Value>,java.util.List<ToValue>> function);
+ method public <ToValue> androidx.paging.DataSource<Key,ToValue> mapByPage(kotlin.jvm.functions.Function1<? super java.util.List<? extends Value>,? extends java.util.List<? extends ToValue>> function);
method @AnyThread public void removeInvalidatedCallback(androidx.paging.DataSource.InvalidatedCallback onInvalidatedCallback);
method @AnyThread public final void removeInvalidatedCallback(kotlin.jvm.functions.Function0<kotlin.Unit> onInvalidatedCallback);
property protected final java.util.concurrent.Executor executor;
@@ -31,7 +33,9 @@
ctor public DataSource.Factory();
method public abstract androidx.paging.DataSource<Key,Value> create();
method public <ToValue> androidx.paging.DataSource.Factory<Key,ToValue> map(androidx.arch.core.util.Function<Value,ToValue> function);
+ method public <ToValue> androidx.paging.DataSource.Factory<Key,ToValue> map(kotlin.jvm.functions.Function1<? super Value,? extends ToValue> function);
method public <ToValue> androidx.paging.DataSource.Factory<Key,ToValue> mapByPage(androidx.arch.core.util.Function<java.util.List<Value>,java.util.List<ToValue>> function);
+ method public <ToValue> androidx.paging.DataSource.Factory<Key,ToValue> mapByPage(kotlin.jvm.functions.Function1<? super java.util.List<? extends Value>,? extends java.util.List<? extends ToValue>> function);
}
public static interface DataSource.InvalidatedCallback {
@@ -49,7 +53,9 @@
method public abstract void loadBefore(androidx.paging.ItemKeyedDataSource.LoadParams<Key> params, androidx.paging.ItemKeyedDataSource.LoadCallback<Value> callback);
method public abstract void loadInitial(androidx.paging.ItemKeyedDataSource.LoadInitialParams<Key> params, androidx.paging.ItemKeyedDataSource.LoadInitialCallback<Value> callback);
method public final <ToValue> androidx.paging.ItemKeyedDataSource<Key,ToValue> map(androidx.arch.core.util.Function<Value,ToValue> function);
+ method public final <ToValue> androidx.paging.ItemKeyedDataSource<Key,ToValue> map(kotlin.jvm.functions.Function1<? super Value,? extends ToValue> function);
method public final <ToValue> androidx.paging.ItemKeyedDataSource<Key,ToValue> mapByPage(androidx.arch.core.util.Function<java.util.List<Value>,java.util.List<ToValue>> function);
+ method public final <ToValue> androidx.paging.ItemKeyedDataSource<Key,ToValue> mapByPage(kotlin.jvm.functions.Function1<? super java.util.List<? extends Value>,? extends java.util.List<? extends ToValue>> function);
}
public abstract static class ItemKeyedDataSource.LoadCallback<Value> {
@@ -144,7 +150,9 @@
method public final com.google.common.util.concurrent.ListenableFuture<androidx.paging.ListenablePageKeyedDataSource.InitialResult<Key,Value>> loadInitial(androidx.paging.ListenablePageKeyedDataSource.LoadInitialParams<Key> params);
method public abstract void loadInitial(androidx.paging.PageKeyedDataSource.LoadInitialParams<Key> params, androidx.paging.PageKeyedDataSource.LoadInitialCallback<Key,Value> callback);
method public final <ToValue> androidx.paging.PageKeyedDataSource<Key,ToValue> map(androidx.arch.core.util.Function<Value,ToValue> function);
+ method public final <ToValue> androidx.paging.PageKeyedDataSource<Key,ToValue> map(kotlin.jvm.functions.Function1<? super Value,? extends ToValue> function);
method public final <ToValue> androidx.paging.PageKeyedDataSource<Key,ToValue> mapByPage(androidx.arch.core.util.Function<java.util.List<Value>,java.util.List<ToValue>> function);
+ method public final <ToValue> androidx.paging.PageKeyedDataSource<Key,ToValue> mapByPage(kotlin.jvm.functions.Function1<? super java.util.List<? extends Value>,? extends java.util.List<? extends ToValue>> function);
}
public abstract static class PageKeyedDataSource.LoadCallback<Key, Value> {
@@ -347,7 +355,9 @@
method public final com.google.common.util.concurrent.ListenableFuture<androidx.paging.ListenablePositionalDataSource.RangeResult<T>> loadRange(androidx.paging.ListenablePositionalDataSource.LoadRangeParams params);
method @WorkerThread public abstract void loadRange(androidx.paging.PositionalDataSource.LoadRangeParams params, androidx.paging.PositionalDataSource.LoadRangeCallback<T> callback);
method public final <V> androidx.paging.PositionalDataSource<V> map(androidx.arch.core.util.Function<T,V> function);
+ method public final <V> androidx.paging.PositionalDataSource<V> map(kotlin.jvm.functions.Function1<? super T,? extends V> function);
method public final <V> androidx.paging.PositionalDataSource<V> mapByPage(androidx.arch.core.util.Function<java.util.List<T>,java.util.List<V>> function);
+ method public final <V> androidx.paging.PositionalDataSource<V> mapByPage(kotlin.jvm.functions.Function1<? super java.util.List<? extends T>,? extends java.util.List<? extends V>> function);
}
public abstract static class PositionalDataSource.LoadInitialCallback<T> {
diff --git a/paging/common/api/current.txt b/paging/common/api/current.txt
index 1b5b1fa..9fd763e 100644
--- a/paging/common/api/current.txt
+++ b/paging/common/api/current.txt
@@ -9,7 +9,9 @@
method @WorkerThread public boolean isInvalid();
method public boolean isRetryableError(Throwable error);
method public <ToValue> androidx.paging.DataSource<Key,ToValue> map(androidx.arch.core.util.Function<Value,ToValue> function);
+ method public <ToValue> androidx.paging.DataSource<Key,ToValue> map(kotlin.jvm.functions.Function1<? super Value,? extends ToValue> function);
method public <ToValue> androidx.paging.DataSource<Key,ToValue> mapByPage(androidx.arch.core.util.Function<java.util.List<Value>,java.util.List<ToValue>> function);
+ method public <ToValue> androidx.paging.DataSource<Key,ToValue> mapByPage(kotlin.jvm.functions.Function1<? super java.util.List<? extends Value>,? extends java.util.List<? extends ToValue>> function);
method @AnyThread public void removeInvalidatedCallback(androidx.paging.DataSource.InvalidatedCallback onInvalidatedCallback);
method @AnyThread public final void removeInvalidatedCallback(kotlin.jvm.functions.Function0<kotlin.Unit> onInvalidatedCallback);
property protected final java.util.concurrent.Executor executor;
@@ -31,7 +33,9 @@
ctor public DataSource.Factory();
method public abstract androidx.paging.DataSource<Key,Value> create();
method public <ToValue> androidx.paging.DataSource.Factory<Key,ToValue> map(androidx.arch.core.util.Function<Value,ToValue> function);
+ method public <ToValue> androidx.paging.DataSource.Factory<Key,ToValue> map(kotlin.jvm.functions.Function1<? super Value,? extends ToValue> function);
method public <ToValue> androidx.paging.DataSource.Factory<Key,ToValue> mapByPage(androidx.arch.core.util.Function<java.util.List<Value>,java.util.List<ToValue>> function);
+ method public <ToValue> androidx.paging.DataSource.Factory<Key,ToValue> mapByPage(kotlin.jvm.functions.Function1<? super java.util.List<? extends Value>,? extends java.util.List<? extends ToValue>> function);
}
public static interface DataSource.InvalidatedCallback {
@@ -49,7 +53,9 @@
method public abstract void loadBefore(androidx.paging.ItemKeyedDataSource.LoadParams<Key> params, androidx.paging.ItemKeyedDataSource.LoadCallback<Value> callback);
method public abstract void loadInitial(androidx.paging.ItemKeyedDataSource.LoadInitialParams<Key> params, androidx.paging.ItemKeyedDataSource.LoadInitialCallback<Value> callback);
method public final <ToValue> androidx.paging.ItemKeyedDataSource<Key,ToValue> map(androidx.arch.core.util.Function<Value,ToValue> function);
+ method public final <ToValue> androidx.paging.ItemKeyedDataSource<Key,ToValue> map(kotlin.jvm.functions.Function1<? super Value,? extends ToValue> function);
method public final <ToValue> androidx.paging.ItemKeyedDataSource<Key,ToValue> mapByPage(androidx.arch.core.util.Function<java.util.List<Value>,java.util.List<ToValue>> function);
+ method public final <ToValue> androidx.paging.ItemKeyedDataSource<Key,ToValue> mapByPage(kotlin.jvm.functions.Function1<? super java.util.List<? extends Value>,? extends java.util.List<? extends ToValue>> function);
}
public abstract static class ItemKeyedDataSource.LoadCallback<Value> {
@@ -144,7 +150,9 @@
method public final com.google.common.util.concurrent.ListenableFuture<androidx.paging.ListenablePageKeyedDataSource.InitialResult<Key,Value>> loadInitial(androidx.paging.ListenablePageKeyedDataSource.LoadInitialParams<Key> params);
method public abstract void loadInitial(androidx.paging.PageKeyedDataSource.LoadInitialParams<Key> params, androidx.paging.PageKeyedDataSource.LoadInitialCallback<Key,Value> callback);
method public final <ToValue> androidx.paging.PageKeyedDataSource<Key,ToValue> map(androidx.arch.core.util.Function<Value,ToValue> function);
+ method public final <ToValue> androidx.paging.PageKeyedDataSource<Key,ToValue> map(kotlin.jvm.functions.Function1<? super Value,? extends ToValue> function);
method public final <ToValue> androidx.paging.PageKeyedDataSource<Key,ToValue> mapByPage(androidx.arch.core.util.Function<java.util.List<Value>,java.util.List<ToValue>> function);
+ method public final <ToValue> androidx.paging.PageKeyedDataSource<Key,ToValue> mapByPage(kotlin.jvm.functions.Function1<? super java.util.List<? extends Value>,? extends java.util.List<? extends ToValue>> function);
}
public abstract static class PageKeyedDataSource.LoadCallback<Key, Value> {
@@ -347,7 +355,9 @@
method public final com.google.common.util.concurrent.ListenableFuture<androidx.paging.ListenablePositionalDataSource.RangeResult<T>> loadRange(androidx.paging.ListenablePositionalDataSource.LoadRangeParams params);
method @WorkerThread public abstract void loadRange(androidx.paging.PositionalDataSource.LoadRangeParams params, androidx.paging.PositionalDataSource.LoadRangeCallback<T> callback);
method public final <V> androidx.paging.PositionalDataSource<V> map(androidx.arch.core.util.Function<T,V> function);
+ method public final <V> androidx.paging.PositionalDataSource<V> map(kotlin.jvm.functions.Function1<? super T,? extends V> function);
method public final <V> androidx.paging.PositionalDataSource<V> mapByPage(androidx.arch.core.util.Function<java.util.List<T>,java.util.List<V>> function);
+ method public final <V> androidx.paging.PositionalDataSource<V> mapByPage(kotlin.jvm.functions.Function1<? super java.util.List<? extends T>,? extends java.util.List<? extends V>> function);
}
public abstract static class PositionalDataSource.LoadInitialCallback<T> {
diff --git a/paging/common/src/main/kotlin/androidx/paging/DataSource.kt b/paging/common/src/main/kotlin/androidx/paging/DataSource.kt
index 8a9c9fc..afe3a99 100644
--- a/paging/common/src/main/kotlin/androidx/paging/DataSource.kt
+++ b/paging/common/src/main/kotlin/androidx/paging/DataSource.kt
@@ -177,7 +177,7 @@
* Same as [mapByPage], but operates on individual items.
*
* @param function Function that runs on each loaded item, returning items of a potentially
- * new type.
+ * new type.
* @param ToValue Type of items produced by the new DataSource, from the passed function.
* @return A new [DataSource.Factory], which transforms items using the given function.
*
@@ -191,10 +191,29 @@
/**
* Applies the given function to each value emitted by DataSources produced by this Factory.
*
+ * An overload of [map] that accepts a kotlin function type.
+ *
+ * Same as [mapByPage], but operates on individual items.
+ *
+ * @param function Function that runs on each loaded item, returning items of a potentially
+ * new type.
+ * @param ToValue Type of items produced by the new DataSource, from the passed function.
+ * @return A new [DataSource.Factory], which transforms items using the given function.
+ *
+ * @see mapByPage
+ * @see DataSource.map
+ * @see DataSource.mapByPage
+ */
+ open fun <ToValue : Any> map(function: (Value) -> ToValue): Factory<Key, ToValue> =
+ mapByPage(Function { list -> list.map(function) })
+
+ /**
+ * Applies the given function to each value emitted by DataSources produced by this Factory.
+ *
* Same as [map], but allows for batch conversions.
*
* @param function Function that runs on each loaded page, returning items of a potentially
- * new type.
+ * new type.
* @param ToValue Type of items produced by the new DataSource, from the passed function.
* @return A new [DataSource.Factory], which transforms items using the given function.
*
@@ -208,6 +227,26 @@
override fun create(): DataSource<Key, ToValue> =
[email protected]().mapByPage(function)
}
+
+ /**
+ * Applies the given function to each value emitted by DataSources produced by this Factory.
+ *
+ * An overload of [mapByPage] that accepts a kotlin function type.
+ *
+ * Same as [map], but allows for batch conversions.
+ *
+ * @param function Function that runs on each loaded page, returning items of a potentially
+ * new type.
+ * @param ToValue Type of items produced by the new DataSource, from the passed function.
+ * @return A new [DataSource.Factory], which transforms items using the given function.
+ *
+ * @see map
+ * @see DataSource.map
+ * @see DataSource.mapByPage
+ */
+ open fun <ToValue : Any> mapByPage(
+ function: (List<Value>) -> List<ToValue>
+ ): Factory<Key, ToValue> = mapByPage(Function { function(it) })
}
/**
@@ -216,7 +255,7 @@
* Same as [map], but allows for batch conversions.
*
* @param function Function that runs on each loaded page, returning items of a potentially
- * new type.
+ * new type.
* @param ToValue Type of items produced by the new DataSource, from the passed function.
* @return A new DataSource, which transforms items using the given function.
*
@@ -231,10 +270,30 @@
/**
* Applies the given function to each value emitted by the DataSource.
*
+ * An overload of [mapByPage] that accepts a kotlin function type.
+ *
+ * Same as [map], but allows for batch conversions.
+ *
+ * @param function Function that runs on each loaded page, returning items of a potentially
+ * new type.
+ * @param ToValue Type of items produced by the new DataSource, from the passed function.
+ * @return A new DataSource, which transforms items using the given function.
+ *
+ * @see map
+ * @see DataSource.Factory.map
+ * @see DataSource.Factory.mapByPage
+ */
+ open fun <ToValue : Any> mapByPage(
+ function: (List<Value>) -> List<ToValue>
+ ): DataSource<Key, ToValue> = mapByPage(Function { function(it) })
+
+ /**
+ * Applies the given function to each value emitted by the DataSource.
+ *
* Same as [mapByPage], but operates on individual items.
*
* @param function Function that runs on each loaded item, returning items of a potentially
- * new type.
+ * new type.
* @param ToValue Type of items produced by the new DataSource, from the passed function.
* @return A new DataSource, which transforms items using the given function.
*
@@ -243,7 +302,27 @@
* @see DataSource.Factory.mapByPage
*/
open fun <ToValue : Any> map(function: Function<Value, ToValue>): DataSource<Key, ToValue> =
- mapByPage(Function { list -> list.map { function.apply(it) } })
+ mapByPage { list -> list.map { function.apply(it) } }
+
+ /**
+ * Applies the given function to each value emitted by the DataSource.
+ *
+ * An overload of [map] that accepts a kotlin function type.
+ *
+ * Same as [mapByPage], but operates on individual items.
+ *
+ * @param function Function that runs on each loaded item, returning items of a potentially
+ * new type.
+ * @param ToValue Type of items produced by the new DataSource, from the passed function.
+ * @return A new DataSource, which transforms items using the given function.
+ *
+ * @see mapByPage
+ * @see DataSource.Factory.map
+ *
+ */
+ open fun <ToValue : Any> map(
+ function: (Value) -> ToValue
+ ): DataSource<Key, ToValue> = map(Function { function(it) })
/**
* Returns true if the data source guaranteed to produce a contiguous set of items, never
diff --git a/paging/common/src/main/kotlin/androidx/paging/ItemKeyedDataSource.kt b/paging/common/src/main/kotlin/androidx/paging/ItemKeyedDataSource.kt
index 98feb50..33c2342 100644
--- a/paging/common/src/main/kotlin/androidx/paging/ItemKeyedDataSource.kt
+++ b/paging/common/src/main/kotlin/androidx/paging/ItemKeyedDataSource.kt
@@ -368,8 +368,16 @@
function: Function<List<Value>, List<ToValue>>
): ItemKeyedDataSource<Key, ToValue> = WrapperItemKeyedDataSource(this, function)
+ final override fun <ToValue : Any> mapByPage(
+ function: (List<Value>) -> List<ToValue>
+ ): ItemKeyedDataSource<Key, ToValue> = mapByPage(Function { function(it) })
+
final override fun <ToValue : Any> map(
function: Function<Value, ToValue>
): ItemKeyedDataSource<Key, ToValue> =
mapByPage(Function { list -> list.map { function.apply(it) } })
+
+ final override fun <ToValue : Any> map(
+ function: (Value) -> ToValue
+ ): ItemKeyedDataSource<Key, ToValue> = mapByPage(Function { list -> list.map(function) })
}
diff --git a/paging/common/src/main/kotlin/androidx/paging/PageKeyedDataSource.kt b/paging/common/src/main/kotlin/androidx/paging/PageKeyedDataSource.kt
index ad41ea0..ee6a847 100644
--- a/paging/common/src/main/kotlin/androidx/paging/PageKeyedDataSource.kt
+++ b/paging/common/src/main/kotlin/androidx/paging/PageKeyedDataSource.kt
@@ -315,8 +315,16 @@
function: Function<List<Value>, List<ToValue>>
): PageKeyedDataSource<Key, ToValue> = WrapperPageKeyedDataSource(this, function)
+ final override fun <ToValue : Any> mapByPage(
+ function: (List<Value>) -> List<ToValue>
+ ): PageKeyedDataSource<Key, ToValue> = mapByPage(Function { function(it) })
+
final override fun <ToValue : Any> map(
function: Function<Value, ToValue>
): PageKeyedDataSource<Key, ToValue> =
mapByPage(Function { list -> list.map { function.apply(it) } })
+
+ final override fun <ToValue : Any> map(
+ function: (Value) -> ToValue
+ ): PageKeyedDataSource<Key, ToValue> = mapByPage(Function { list -> list.map(function) })
}
diff --git a/paging/common/src/main/kotlin/androidx/paging/PositionalDataSource.kt b/paging/common/src/main/kotlin/androidx/paging/PositionalDataSource.kt
index 50bb351..5e97a4d 100644
--- a/paging/common/src/main/kotlin/androidx/paging/PositionalDataSource.kt
+++ b/paging/common/src/main/kotlin/androidx/paging/PositionalDataSource.kt
@@ -384,6 +384,13 @@
function: Function<List<T>, List<V>>
): PositionalDataSource<V> = WrapperPositionalDataSource(this, function)
+ final override fun <V : Any> mapByPage(
+ function: (List<T>) -> List<V>
+ ): PositionalDataSource<V> = mapByPage(Function { function(it) })
+
final override fun <V : Any> map(function: Function<T, V>): PositionalDataSource<V> =
mapByPage(Function { list -> list.map { function.apply(it) } })
+
+ final override fun <V : Any> map(function: (T) -> V): PositionalDataSource<V> =
+ mapByPage(Function { list -> list.map(function) })
}
diff --git a/paging/common/src/main/kotlin/androidx/paging/WrapperDataSource.kt b/paging/common/src/main/kotlin/androidx/paging/WrapperDataSource.kt
index 263ce13..696285b 100644
--- a/paging/common/src/main/kotlin/androidx/paging/WrapperDataSource.kt
+++ b/paging/common/src/main/kotlin/androidx/paging/WrapperDataSource.kt
@@ -29,8 +29,7 @@
*/
internal open class WrapperDataSource<Key : Any, ValueFrom : Any, ValueTo : Any>(
private val source: DataSource<Key, ValueFrom>,
- @SuppressWarnings("WeakerAccess") /* synthetic access */
- val listFunction: Function<List<ValueFrom>, List<ValueTo>>
+ private val listFunction: Function<List<ValueFrom>, List<ValueTo>>
) : DataSource<Key, ValueTo>(source.type) {
private val keyMap = when (source.type) {
KeyType.ITEM_KEYED -> IdentityHashMap<ValueTo, Key>()
diff --git a/paging/common/src/test/kotlin/androidx/paging/ItemKeyedDataSourceTest.kt b/paging/common/src/test/kotlin/androidx/paging/ItemKeyedDataSourceTest.kt
index 819d9db..3212589 100644
--- a/paging/common/src/test/kotlin/androidx/paging/ItemKeyedDataSourceTest.kt
+++ b/paging/common/src/test/kotlin/androidx/paging/ItemKeyedDataSourceTest.kt
@@ -16,7 +16,6 @@
package androidx.paging
-import androidx.arch.core.util.Function
import androidx.paging.futures.DirectExecutor
import com.nhaarman.mockitokotlin2.capture
import com.nhaarman.mockitokotlin2.mock
@@ -494,18 +493,18 @@
@Test
fun testListConverterWrappedDataSource() = verifyWrappedDataSource { dataSource ->
- dataSource.mapByPage(Function { page -> page.map { DecoratedItem(it) } })
+ dataSource.mapByPage { page -> page.map { DecoratedItem(it) } }
}
@Test
fun testItemConverterWrappedDataSource() = verifyWrappedDataSource { dataSource ->
- dataSource.map(Function { DecoratedItem(it) })
+ dataSource.map { DecoratedItem(it) }
}
@Test
fun testInvalidateToWrapper() {
val orig = ItemDataSource()
- val wrapper = orig.map<DecoratedItem>(Function { DecoratedItem(it) })
+ val wrapper = orig.map { DecoratedItem(it) }
orig.invalidate()
assertTrue(wrapper.isInvalid)
@@ -514,7 +513,7 @@
@Test
fun testInvalidateFromWrapper() {
val orig = ItemDataSource()
- val wrapper = orig.map<DecoratedItem>(Function { DecoratedItem(it) })
+ val wrapper = orig.map { DecoratedItem(it) }
wrapper.invalidate()
assertTrue(orig.isInvalid)
diff --git a/paging/common/src/test/kotlin/androidx/paging/PageKeyedDataSourceTest.kt b/paging/common/src/test/kotlin/androidx/paging/PageKeyedDataSourceTest.kt
index 63d3b28..ccc1bd0 100644
--- a/paging/common/src/test/kotlin/androidx/paging/PageKeyedDataSourceTest.kt
+++ b/paging/common/src/test/kotlin/androidx/paging/PageKeyedDataSourceTest.kt
@@ -16,7 +16,6 @@
package androidx.paging
-import androidx.arch.core.util.Function
import androidx.paging.futures.DirectExecutor
import androidx.testutils.TestExecutor
import org.junit.Assert.assertEquals
@@ -459,18 +458,18 @@
@Test
fun testListConverterWrappedDataSource() = verifyWrappedDataSource { dataSource ->
- dataSource.mapByPage(Function { page -> page.map { it.toString() } })
+ dataSource.mapByPage { page -> page.map { it.toString() } }
}
@Test
fun testItemConverterWrappedDataSource() = verifyWrappedDataSource { dataSource ->
- dataSource.map(Function { it.toString() })
+ dataSource.map { it.toString() }
}
@Test
fun testInvalidateToWrapper() {
val orig = ItemDataSource()
- val wrapper = orig.map<String>(Function { it.toString() })
+ val wrapper = orig.map { it.toString() }
orig.invalidate()
assertTrue(wrapper.isInvalid)
@@ -479,7 +478,7 @@
@Test
fun testInvalidateFromWrapper() {
val orig = ItemDataSource()
- val wrapper = orig.map<String>(Function { it.toString() })
+ val wrapper = orig.map { it.toString() }
wrapper.invalidate()
assertTrue(orig.isInvalid)
diff --git a/paging/common/src/test/kotlin/androidx/paging/PositionalDataSourceTest.kt b/paging/common/src/test/kotlin/androidx/paging/PositionalDataSourceTest.kt
index 55ebbad..00fd661 100644
--- a/paging/common/src/test/kotlin/androidx/paging/PositionalDataSourceTest.kt
+++ b/paging/common/src/test/kotlin/androidx/paging/PositionalDataSourceTest.kt
@@ -16,7 +16,6 @@
package androidx.paging
-import androidx.arch.core.util.Function
import androidx.paging.futures.DirectExecutor
import org.junit.Assert.assertEquals
import org.junit.Assert.assertTrue
@@ -401,18 +400,18 @@
@Test
fun testListConverterWrappedDataSource() = verifyWrappedDataSource { dataSource ->
- dataSource.mapByPage(Function { page -> page.map { it.toString() } })
+ dataSource.mapByPage { page -> page.map { it.toString() } }
}
@Test
fun testItemConverterWrappedDataSource() = verifyWrappedDataSource { dataSource ->
- dataSource.map(Function { it.toString() })
+ dataSource.map { it.toString() }
}
@Test
fun testInvalidateToWrapper() {
val orig = ListDataSource(listOf(0, 1, 2))
- val wrapper = orig.map<String>(Function { it.toString() })
+ val wrapper = orig.map { it.toString() }
orig.invalidate()
assertTrue(wrapper.isInvalid)
@@ -421,7 +420,7 @@
@Test
fun testInvalidateFromWrapper() {
val orig = ListDataSource(listOf(0, 1, 2))
- val wrapper = orig.map<String>(Function { it.toString() })
+ val wrapper = orig.map { it.toString() }
wrapper.invalidate()
assertTrue(orig.isInvalid)