68 lines
1.9 KiB
Java
68 lines
1.9 KiB
Java
package org.warp.commonutils.concurrency.future;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.locks.StampedLock;
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import java.util.function.Supplier;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import org.warp.commonutils.functional.IOSupplier;
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public class FutureLockUtils {
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public static <T> CompletableFuture<T> readLock(@Nullable StampedLock lock, @NotNull Supplier<CompletableFuture<T>> r) {
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long lockValue;
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if (lock != null) {
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lockValue = lock.readLock();
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} else {
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lockValue = 0;
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}
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return CompletableFutureUtils.getCompletableFuture(r).whenComplete((result, err) -> {
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if (lock != null) {
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lock.unlockRead(lockValue);
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}
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});
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}
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public static <T> CompletableFuture<T> writeLock(@Nullable StampedLock lock, @NotNull Supplier<CompletableFuture<T>> r) {
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long lockValue;
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if (lock != null) {
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lockValue = lock.writeLock();
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} else {
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lockValue = 0;
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}
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return CompletableFutureUtils.getCompletableFuture(r).whenComplete((result, err) -> {
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if (lock != null) {
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lock.unlockWrite(lockValue);
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}
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});
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}
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public static <T> CompletableFuture<T> readLockIO(@Nullable StampedLock lock, @NotNull IOSupplier<CompletableFuture<T>> r) {
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long lockValue;
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if (lock != null) {
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lockValue = lock.readLock();
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} else {
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lockValue = 0;
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}
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return CompletableFutureUtils.getCompletableFutureIO(r).whenComplete((result, err) -> {
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if (lock != null) {
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lock.unlockRead(lockValue);
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}
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});
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}
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public static <T> CompletableFuture<T> writeLockIO(@Nullable StampedLock lock, @NotNull IOSupplier<CompletableFuture<T>> r) {
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long lockValue;
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if (lock != null) {
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lockValue = lock.writeLock();
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} else {
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lockValue = 0;
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}
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return CompletableFutureUtils.getCompletableFutureIO(r).whenComplete((result, err) -> {
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if (lock != null) {
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lock.unlockWrite(lockValue);
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}
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});
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}
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}
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