98 lines
2.6 KiB
Java
98 lines
2.6 KiB
Java
package rx.subscriptions;
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import c.q.a.k.a;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.Set;
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import rx.Subscription;
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public final class CompositeSubscription implements Subscription {
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public Set<Subscription> i;
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public volatile boolean j;
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public static void d(Collection<Subscription> collection) {
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if (collection != null) {
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ArrayList arrayList = null;
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for (Subscription subscription : collection) {
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try {
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subscription.unsubscribe();
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} catch (Throwable th) {
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if (arrayList == null) {
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arrayList = new ArrayList();
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}
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arrayList.add(th);
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}
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}
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a.Z(arrayList);
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}
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}
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public void a(Subscription subscription) {
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if (!subscription.isUnsubscribed()) {
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if (!this.j) {
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synchronized (this) {
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if (!this.j) {
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if (this.i == null) {
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this.i = new HashSet(4);
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}
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this.i.add(subscription);
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return;
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}
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}
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}
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subscription.unsubscribe();
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}
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}
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public void b() {
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if (!this.j) {
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synchronized (this) {
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if (!this.j) {
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Set<Subscription> set = this.i;
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if (set != null) {
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this.i = null;
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d(set);
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}
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}
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}
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}
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}
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public void c(Subscription subscription) {
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boolean remove;
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if (!this.j) {
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synchronized (this) {
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if (!this.j) {
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Set<Subscription> set = this.i;
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if (set != null) {
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remove = set.remove(subscription);
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}
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}
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return;
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}
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if (remove) {
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subscription.unsubscribe();
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}
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}
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}
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@Override // rx.Subscription
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public boolean isUnsubscribed() {
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return this.j;
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}
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@Override // rx.Subscription
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public void unsubscribe() {
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if (!this.j) {
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synchronized (this) {
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if (!this.j) {
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this.j = true;
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Set<Subscription> set = this.i;
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this.i = null;
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d(set);
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}
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}
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}
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}
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}
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