public class

DefaultExecutionTracker

extends java.lang.Object

implements ExecutionTracker

 java.lang.Object

↳androidx.health.platform.client.impl.ipc.internal.DefaultExecutionTracker

Gradle dependencies

compile group: 'androidx.health', name: 'health-connect-client', version: '1.0.0-alpha01'

  • groupId: androidx.health
  • artifactId: health-connect-client
  • version: 1.0.0-alpha01

Artifact androidx.health:health-connect-client:1.0.0-alpha01 it located at Google repository (https://maven.google.com/)

Overview

Default implementation of ExecutionTracker.

Summary

Constructors
publicDefaultExecutionTracker()

Methods
public voidcancelPendingFutures(java.lang.Throwable throwable)

public voidtrack(<any> future)

from java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructors

public DefaultExecutionTracker()

Methods

public void track(<any> future)

public void cancelPendingFutures(java.lang.Throwable throwable)

Source

/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.health.platform.client.impl.ipc.internal;

import androidx.annotation.RestrictTo;
import androidx.annotation.RestrictTo.Scope;

import com.google.common.util.concurrent.MoreExecutors;
import com.google.common.util.concurrent.SettableFuture;

import java.util.HashSet;
import java.util.Set;

/**
 * Default implementation of {@link ExecutionTracker}.
 *
 * @hide
 */
@SuppressWarnings("ExecutorTaskName")
@RestrictTo(Scope.LIBRARY)
public class DefaultExecutionTracker implements ExecutionTracker {
    private final Set<SettableFuture<?>> mFuturesInProgress = new HashSet<>();

    @Override
    public void track(SettableFuture<?> future) {
        synchronized (mFuturesInProgress) {
            mFuturesInProgress.add(future);
        }
        future.addListener(
                () -> {
                    synchronized (mFuturesInProgress) {
                        mFuturesInProgress.remove(future);
                    }
                },
                MoreExecutors.directExecutor());
    }

    @Override
    public void cancelPendingFutures(Throwable throwable) {
        synchronized (mFuturesInProgress) {
            for (SettableFuture<?> future : mFuturesInProgress) {
                future.setException(throwable);
            }
            mFuturesInProgress.clear();
        }
    }
}