package org.infinispan.configuration.cache;
import org.infinispan.commons.util.TypedProperties;
/**
* Holds default configurations about indexing
*
* @author gustavonalle
* @since 7.0
*/
enum IndexOverlay {
/**
* Default for replicated cache: filesystem based (so it'll likely be a mmap index on Unix),
* near-real-time, exclusive use, reuse index reader across queries
*/
NON_DISTRIBUTED_FS {
@Override
void apply(TypedProperties properties) {
properties.putIfAbsent(Constants.DIRECTORY_PROVIDER, "filesystem");
properties.putIfAbsent(Constants.EXCLUSIVE_INDEX_USE, "true");
properties.putIfAbsent(Constants.INDEX_MANAGER, "near-real-time");
properties.putIfAbsent(Constants.READER_STRATEGY, "shared");
}
},
/**
* Default for indexing a distributed cache. It will store indexes
* in Infinispan itself, with a master/slave backend in order to
* avoid holding cluster-wide locking during indexing
*/
DISTRIBUTED_INFINISPAN {
@Override
void apply(TypedProperties properties) {
properties.putIfAbsent(Constants.DIRECTORY_PROVIDER, "infinispan");
properties.putIfAbsent(Constants.EXCLUSIVE_INDEX_USE, "true");
properties.putIfAbsent(Constants.INDEX_MANAGER, "org.infinispan.query.indexmanager.InfinispanIndexManager");
properties.putIfAbsent(Constants.READER_STRATEGY, "shared");
}
};
/**
* Applies pre-defined configurations
*
* @param properties existing Properties
*/
abstract void apply(TypedProperties properties);
private static class Constants {
static final String DIRECTORY_PROVIDER = "hibernate.search.default.directory_provider";
static final String EXCLUSIVE_INDEX_USE = "hibernate.search.default.exclusive_index_use";
static final String INDEX_MANAGER = "hibernate.search.default.indexmanager";
static final String READER_STRATEGY = "hibernate.search.default.reader.strategy";
}
}