opendev/gerrit
Code Issues Proposed changes

Add support for binding CacheRemovalListener

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This can be used to dynamically bind removal listeners for use in
multi-master support.

Change-Id: I9c58740c54c89e5bd75accc64f03f1fdddc8d581
This commit is contained in:
Keunhong Park
2012-07-25 10:28:46 -06:00
parent 07c45144c4
commit c3a31c2595
4 changed files with 100 additions and 1 deletions
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16
gerrit-cache-h2/src/main/java/com/google/gerrit/server/cache/h2/DefaultCacheFactory.java vendored
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@@ -22,10 +22,12 @@ import com.google.common.cache.LoadingCache;
import com.google.common.cache.Weigher;
import com.google.gerrit.lifecycle.LifecycleModule;
import com.google.gerrit.server.cache.CacheBinding;
import com.google.gerrit.server.cache.ForwardingRemovalListener;;
import com.google.gerrit.server.cache.MemoryCacheFactory;
import com.google.gerrit.server.cache.PersistentCacheFactory;
import com.google.gerrit.server.cache.h2.H2CacheImpl.ValueHolder;
import com.google.gerrit.server.config.ConfigUtil;
import com.google.gerrit.server.config.FactoryModule;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.inject.Inject;
@@ -37,6 +39,13 @@ public class DefaultCacheFactory implements MemoryCacheFactory {
public static class Module extends LifecycleModule {
@Override
protected void configure() {
install(new FactoryModule() {
@Override
protected void configure() {
factory(ForwardingRemovalListener.Factory.class);
}
});
bind(DefaultCacheFactory.class);
bind(MemoryCacheFactory.class).to(DefaultCacheFactory.class);
bind(PersistentCacheFactory.class).to(H2CacheFactory.class);
@@ -45,10 +54,13 @@ public class DefaultCacheFactory implements MemoryCacheFactory {
}
private final Config cfg;
private final ForwardingRemovalListener.Factory forwardingRemovalListenerFactory;
@Inject
public DefaultCacheFactory(@GerritServerConfig Config config) {
public DefaultCacheFactory(@GerritServerConfig Config config,
ForwardingRemovalListener.Factory forwardingRemovalListenerFactory) {
this.cfg = config;
this.forwardingRemovalListenerFactory = forwardingRemovalListenerFactory;
}
@Override
@@ -73,6 +85,8 @@ public class DefaultCacheFactory implements MemoryCacheFactory {
"cache", def.name(), "memoryLimit",
def.maximumWeight()));
builder.removalListener(forwardingRemovalListenerFactory.create(def.name()));
Weigher<K, V> weigher = def.weigher();
if (weigher != null && unwrapValueHolder) {
final Weigher<K, V> impl = weigher;