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WalletFiles: Make saving thread shut down after 5 seconds of doing nothing.

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This commit is contained in:
Mike Hearn 2013-07-10 18:14:10 +02:00
parent 2b6022cd7c
commit 00f4c82342
1 changed files with 6 additions and 6 deletions
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12
core/src/main/java/com/google/bitcoin/wallet/WalletFiles.java
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@ -25,10 +25,7 @@ import org.slf4j.LoggerFactory;
import javax.annotation.Nonnull;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.Callable;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.*;
import java.util.concurrent.atomic.AtomicBoolean;
import static com.google.common.base.Preconditions.checkNotNull;
@ -43,7 +40,7 @@ public class WalletFiles {
private static final Logger log = LoggerFactory.getLogger(WalletFiles.class);
private final Wallet wallet;
private final ScheduledExecutorService executor;
private final ScheduledThreadPoolExecutor executor;
private final File file;
private final AtomicBoolean savePending;
private final long delay;
@ -76,7 +73,10 @@ public class WalletFiles {
Thread.UncaughtExceptionHandler handler = Threading.uncaughtExceptionHandler;
if (handler != null)
builder.setUncaughtExceptionHandler(handler);
this.executor = Executors.newSingleThreadScheduledExecutor(builder.build());
// An executor that starts up threads when needed and shuts them down later.
this.executor = new ScheduledThreadPoolExecutor(1, builder.build());
this.executor.setKeepAliveTime(5, TimeUnit.SECONDS);
this.executor.allowCoreThreadTimeOut(true);
this.wallet = checkNotNull(wallet);
// File must only be accessed from the auto-save executor from now on, to avoid simultaneous access.
this.file = checkNotNull(file);