Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 2f5ee71e authored by Eugene Susla's avatar Eugene Susla
Browse files

PooledLambda 

This introduces PooledLambda - a way of obtaining lambdas without the
allocations overhead.

See PooledLambda javadoc for a guide and PooledLambdaSample for code samples
of useful usages.

Test: ensure samples of PooledLambdaSample work as described.
Change-Id: I46f8ad27bc1de07e19f6e39f89d2cafe4238497a
parent e4cf6bf4

core/java/android/os/Binder.java

+2 −2
Original line number Diff line number Diff line
@@ -298,7 +298,7 @@ public class Binder implements IBinder { 
        long callingIdentity = clearCallingIdentity();

        Throwable throwableToPropagate = null;

        try {

            action.run();

            action.runOrThrow();

        } catch (Throwable throwable) {

            throwableToPropagate = throwable;

        } finally {
@@ -322,7 +322,7 @@ public class Binder implements IBinder { 
        long callingIdentity = clearCallingIdentity();

        Throwable throwableToPropagate = null;

        try {

            return action.get();

            return action.getOrThrow();

        } catch (Throwable throwable) {

            throwableToPropagate = throwable;

            return null; // overridden by throwing in finally block

core/java/android/os/Message.java

+19 −1
Original line number Diff line number Diff line
@@ -109,7 +109,9 @@ public final class Message implements Parcelable { 
    // sometimes we store linked lists of these things

    /*package*/ Message next;



    private static final Object sPoolSync = new Object();



    /** @hide */

    public static final Object sPoolSync = new Object();

    private static Message sPool;

    private static int sPoolSize = 0;
@@ -370,6 +372,12 @@ public final class Message implements Parcelable { 
        return callback;

    }



    /** @hide */

    public Message setCallback(Runnable r) {

        callback = r;

        return this;

    }



    /**

     * Obtains a Bundle of arbitrary data associated with this

     * event, lazily creating it if necessary. Set this value by calling
@@ -410,6 +418,16 @@ public final class Message implements Parcelable { 
        this.data = data;

    }



    /**

     * Chainable setter for {@link #what}

     *

     * @hide

     */

    public Message setWhat(int what) {

        this.what = what;

        return this;

    }



    /**

     * Sends this Message to the Handler specified by {@link #getTarget}.

     * Throws a null pointer exception if this field has not been set.

core/java/android/util/Pools.java

+10 −3
Original line number Diff line number Diff line
@@ -130,22 +130,29 @@ public final class Pools { 
    }



    /**

     * Synchronized) pool of objects.

     * Synchronized pool of objects.

     *

     * @param <T> The pooled type.

     */

    public static class SynchronizedPool<T> extends SimplePool<T> {

        private final Object mLock = new Object();

        private final Object mLock;



        /**

         * Creates a new instance.

         *

         * @param maxPoolSize The max pool size.

         * @param lock an optional custom object to synchronize on

         *

         * @throws IllegalArgumentException If the max pool size is less than zero.

         */

        public SynchronizedPool(int maxPoolSize) {

        public SynchronizedPool(int maxPoolSize, Object lock) {

            super(maxPoolSize);

            mLock = lock;

        }



        /** @see #SynchronizedPool(int, Object)  */

        public SynchronizedPool(int maxPoolSize) {

            this(maxPoolSize, new Object());

        }



        @Override

core/java/com/android/internal/util/CollectionUtils.java

+1 −1
Original line number Diff line number Diff line
@@ -30,7 +30,7 @@ import java.util.Collection; 
import java.util.Collections;

import java.util.List;

import java.util.Set;

import java.util.function.*;

import java.util.function.Function;

import java.util.stream.Stream;



/**

core/java/com/android/internal/util/FunctionalUtils.java

+2 −2
Original line number Diff line number Diff line
@@ -32,7 +32,7 @@ public class FunctionalUtils { 
     */

    @FunctionalInterface

    public interface ThrowingRunnable {

        void run() throws Exception;

        void runOrThrow() throws Exception;

    }



    /**
@@ -43,7 +43,7 @@ public class FunctionalUtils { 
     */

    @FunctionalInterface

    public interface ThrowingSupplier<T> {

        T get() throws Exception;

        T getOrThrow() throws Exception;

    }



    /**