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created adapter between scm and shiro caches, see issue #781

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This commit is contained in:
Sebastian Sdorra
2017-02-16 22:15:36 +01:00
parent 1b16613840
commit 731337f2ab
8 changed files with 492 additions and 250 deletions
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191
scm-webapp/src/main/java/sonia/scm/cache/GuavaCache.java vendored
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@@ -34,18 +34,6 @@ package sonia.scm.cache;
//~--- non-JDK imports --------------------------------------------------------
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.Sets;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sonia.scm.Filter;
//~--- JDK imports ------------------------------------------------------------
import java.util.Set;
/**
*
* @author Sebastian Sdorra
@@ -53,185 +41,22 @@ import java.util.Set;
* @param <K>
* @param <V>
*/
public class GuavaCache<K, V> implements Cache<K, V>
{
public class GuavaCache<K, V> extends GuavaBaseCache<K, V> implements Cache<K, V> {
/**
* the logger for GuavaCache
*/
private static final Logger logger =
LoggerFactory.getLogger(GuavaCache.class);
//~--- constructors ---------------------------------------------------------
/**
* Constructs ...
*
*
* @param configuration
*/
public GuavaCache(GuavaNamedCacheConfiguration configuration)
{
this(configuration, configuration.getName());
GuavaCache(com.google.common.cache.Cache<K, V> cache, CopyStrategy copyStrategy, String name) {
super(cache, copyStrategy, name);
}
/**
* Constructs ...
*
*
* @param configuration
* @param name
*/
public GuavaCache(GuavaCacheConfiguration configuration, String name)
{
this(GuavaCaches.create(configuration, name),
configuration.getCopyStrategy(), name);
}
/**
* Constructs ...
*
*
* @param cache
* @param copyStrategy
* @param name
*/
@VisibleForTesting
protected GuavaCache(com.google.common.cache.Cache<K, V> cache,
CopyStrategy copyStrategy, String name)
{
this.cache = cache;
this.name = name;
if (copyStrategy != null)
{
this.copyStrategy = copyStrategy;
}
}
//~--- methods --------------------------------------------------------------
/**
* Method description
*
*/
@Override
public void clear()
{
if (logger.isDebugEnabled())
{
logger.debug("clear cache {}", name);
}
cache.invalidateAll();
}
/**
* Method description
*
*
* @param key
*
* @return
*/
@Override
public boolean contains(K key)
{
return cache.getIfPresent(key) != null;
}
/**
* Method description
*
*
* @param key
* @param value
*/
@Override
public void put(K key, V value)
{
public void put(K key, V value) {
cache.put(key, copyStrategy.copyOnWrite(value));
}
/**
* Method description
*
*
* @param key
*
* @return
*/
@Override
public boolean remove(K key)
{
public boolean remove(K key) {
cache.invalidate(key);
return true;
}
/**
* Method description
*
*
* @param filter
*
* @return
*/
@Override
public boolean removeAll(Filter<K> filter)
{
Set<K> keysToRemove = Sets.newHashSet();
for (K key : cache.asMap().keySet())
{
if (filter.accept(key))
{
keysToRemove.add(key);
}
}
boolean result = false;
if (!keysToRemove.isEmpty())
{
cache.invalidateAll(keysToRemove);
result = true;
}
return result;
}
//~--- get methods ----------------------------------------------------------
/**
* Method description
*
*
* @param key
*
* @return
*/
@Override
public V get(K key)
{
V value = cache.getIfPresent(key);
if (value != null)
{
value = copyStrategy.copyOnRead(value);
}
return value;
}
//~--- fields ---------------------------------------------------------------
/** Field description */
private com.google.common.cache.Cache<K, V> cache;
/** Field description */
private CopyStrategy copyStrategy = CopyStrategy.NONE;
/** Field description */
private String name;
}
}