mirror of
https://github.com/VibedByKaKi/alexandroid.git
synced 2026-11-15 18:37:17 +01:00
225 lines
8.6 KiB
Java
225 lines
8.6 KiB
Java
package com.facebook.datasource;
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import com.facebook.common.executors.CallerThreadExecutor;
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import com.facebook.common.internal.Objects;
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import com.facebook.common.internal.Preconditions;
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import com.facebook.common.internal.Supplier;
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import com.facebook.infer.annotation.Nullsafe;
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import java.util.List;
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import javax.annotation.Nullable;
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import javax.annotation.concurrent.ThreadSafe;
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/* compiled from: r8-map-id-b9432e0f623b4a4bff4ba50a8a24c4aafad2c1e11092747b9fb5e6a22af5a940 */
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@ThreadSafe
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@Nullsafe(Nullsafe.Mode.LOCAL)
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/* loaded from: classes6.dex */
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public class FirstAvailableDataSourceSupplier<T> implements Supplier<DataSource<T>> {
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private final List<Supplier<DataSource<T>>> mDataSourceSuppliers;
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private FirstAvailableDataSourceSupplier(List<Supplier<DataSource<T>>> list) {
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Preconditions.checkArgument(!list.isEmpty(), "List of suppliers is empty!");
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this.mDataSourceSuppliers = list;
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}
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public static <T> FirstAvailableDataSourceSupplier<T> create(List<Supplier<DataSource<T>>> list) {
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return new FirstAvailableDataSourceSupplier<>(list);
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}
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public boolean equals(@Nullable Object obj) {
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if (obj == this) {
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return true;
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}
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if (obj instanceof FirstAvailableDataSourceSupplier) {
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return Objects.equal(this.mDataSourceSuppliers, ((FirstAvailableDataSourceSupplier) obj).mDataSourceSuppliers);
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}
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return false;
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}
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@Override // com.facebook.common.internal.Supplier
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public DataSource<T> get() {
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return new FirstAvailableDataSource();
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}
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public int hashCode() {
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return this.mDataSourceSuppliers.hashCode();
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}
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public String toString() {
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return Objects.toStringHelper(this).add("list", this.mDataSourceSuppliers).toString();
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}
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/* compiled from: r8-map-id-b9432e0f623b4a4bff4ba50a8a24c4aafad2c1e11092747b9fb5e6a22af5a940 */
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@ThreadSafe
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public class FirstAvailableDataSource extends AbstractDataSource<T> {
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private int mIndex = 0;
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@Nullable
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private DataSource<T> mCurrentDataSource = null;
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@Nullable
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private DataSource<T> mDataSourceWithResult = null;
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public FirstAvailableDataSource() {
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if (startNextDataSource()) {
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return;
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}
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setFailure(new RuntimeException("No data source supplier or supplier returned null."));
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}
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private synchronized boolean clearCurrentDataSource(DataSource<T> dataSource) {
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if (!isClosed() && dataSource == this.mCurrentDataSource) {
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this.mCurrentDataSource = null;
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return true;
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}
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return false;
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}
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private void closeSafely(@Nullable DataSource<T> dataSource) {
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if (dataSource != null) {
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dataSource.close();
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}
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}
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@Nullable
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private synchronized DataSource<T> getDataSourceWithResult() {
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return this.mDataSourceWithResult;
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}
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@Nullable
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private synchronized Supplier<DataSource<T>> getNextSupplier() {
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if (isClosed() || this.mIndex >= FirstAvailableDataSourceSupplier.this.mDataSourceSuppliers.size()) {
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return null;
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}
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List list = FirstAvailableDataSourceSupplier.this.mDataSourceSuppliers;
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int i = this.mIndex;
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this.mIndex = i + 1;
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return (Supplier) list.get(i);
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}
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private void maybeSetDataSourceWithResult(DataSource<T> dataSource, boolean z) {
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DataSource<T> dataSource2;
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synchronized (this) {
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if (dataSource == this.mCurrentDataSource && dataSource != (dataSource2 = this.mDataSourceWithResult)) {
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if (dataSource2 != null && !z) {
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dataSource2 = null;
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closeSafely(dataSource2);
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}
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this.mDataSourceWithResult = dataSource;
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closeSafely(dataSource2);
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}
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}
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}
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/* JADX INFO: Access modifiers changed from: private */
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public void onDataSourceFailed(DataSource<T> dataSource) {
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if (clearCurrentDataSource(dataSource)) {
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if (dataSource != getDataSourceWithResult()) {
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closeSafely(dataSource);
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}
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if (startNextDataSource()) {
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return;
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}
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setFailure(dataSource.getFailureCause(), dataSource.getExtras());
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}
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}
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/* JADX INFO: Access modifiers changed from: private */
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public void onDataSourceNewResult(DataSource<T> dataSource) {
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maybeSetDataSourceWithResult(dataSource, dataSource.isFinished());
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if (dataSource == getDataSourceWithResult()) {
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setResult(null, dataSource.isFinished(), dataSource.getExtras());
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}
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}
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private synchronized boolean setCurrentDataSource(DataSource<T> dataSource) {
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if (isClosed()) {
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return false;
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}
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this.mCurrentDataSource = dataSource;
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return true;
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}
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private boolean startNextDataSource() {
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Supplier<DataSource<T>> nextSupplier = getNextSupplier();
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DataSource<T> dataSource = nextSupplier != null ? nextSupplier.get() : null;
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int i = 0;
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if (!setCurrentDataSource(dataSource) || dataSource == null) {
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closeSafely(dataSource);
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return false;
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}
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dataSource.subscribe(new InternalDataSubscriber(this, i), CallerThreadExecutor.getInstance());
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return true;
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}
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@Override // com.facebook.datasource.AbstractDataSource, com.facebook.datasource.DataSource
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public boolean close() {
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synchronized (this) {
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try {
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if (!super.close()) {
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return false;
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}
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DataSource<T> dataSource = this.mCurrentDataSource;
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this.mCurrentDataSource = null;
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DataSource<T> dataSource2 = this.mDataSourceWithResult;
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this.mDataSourceWithResult = null;
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closeSafely(dataSource2);
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closeSafely(dataSource);
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return true;
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} catch (Throwable th) {
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throw th;
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}
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}
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}
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@Override // com.facebook.datasource.AbstractDataSource, com.facebook.datasource.DataSource
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@Nullable
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public synchronized T getResult() {
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DataSource<T> dataSourceWithResult;
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dataSourceWithResult = getDataSourceWithResult();
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return dataSourceWithResult != null ? dataSourceWithResult.getResult() : null;
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}
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@Override // com.facebook.datasource.AbstractDataSource, com.facebook.datasource.DataSource
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public synchronized boolean hasResult() {
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boolean z;
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DataSource<T> dataSourceWithResult = getDataSourceWithResult();
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if (dataSourceWithResult != null) {
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z = dataSourceWithResult.hasResult();
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}
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return z;
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}
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/* compiled from: r8-map-id-b9432e0f623b4a4bff4ba50a8a24c4aafad2c1e11092747b9fb5e6a22af5a940 */
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public class InternalDataSubscriber implements DataSubscriber<T> {
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private InternalDataSubscriber() {
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}
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@Override // com.facebook.datasource.DataSubscriber
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public void onFailure(DataSource<T> dataSource) {
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FirstAvailableDataSource.this.onDataSourceFailed(dataSource);
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}
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@Override // com.facebook.datasource.DataSubscriber
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public void onNewResult(DataSource<T> dataSource) {
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if (dataSource.hasResult()) {
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FirstAvailableDataSource.this.onDataSourceNewResult(dataSource);
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} else if (dataSource.isFinished()) {
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FirstAvailableDataSource.this.onDataSourceFailed(dataSource);
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}
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}
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@Override // com.facebook.datasource.DataSubscriber
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public void onProgressUpdate(DataSource<T> dataSource) {
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FirstAvailableDataSource.this.setProgress(Math.max(FirstAvailableDataSource.this.getProgress(), dataSource.getProgress()));
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}
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public /* synthetic */ InternalDataSubscriber(FirstAvailableDataSource firstAvailableDataSource, int i) {
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this();
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}
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@Override // com.facebook.datasource.DataSubscriber
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public void onCancellation(DataSource<T> dataSource) {
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}
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}
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}
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}
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