@Override
public HPCMemoryConfig apply(
HPCMemoryConfig basedOnRatio, Function<String, String> settings) {
String explicitNodeCacheSize =
settings.apply(HighPerformanceCacheSettings.node_cache_size.name());
String explicitRelCacheSize =
settings.apply(HighPerformanceCacheSettings.relationship_cache_size.name());
String explicitNodeArrayFraction =
settings.apply(HighPerformanceCacheSettings.node_cache_array_fraction.name());
String explicitRelArrayFraction =
settings.apply(
HighPerformanceCacheSettings.relationship_cache_array_fraction.name());
if (explicitNodeCacheSize != null
|| explicitRelCacheSize != null
|| explicitNodeArrayFraction != null
|| explicitRelArrayFraction != null) {
// At least one explicit config set, swap to explicit mode
long nodeCacheBytes =
explicitNodeCacheSize != null ? BYTES.apply(explicitNodeCacheSize) : heap() / 8;
long relCacheBytes =
explicitRelCacheSize != null ? BYTES.apply(explicitRelCacheSize) : heap() / 8;
float nodeArrRatio =
explicitNodeArrayFraction != null
? FLOAT.apply(explicitNodeArrayFraction)
: 1.0f;
float relArrRatio =
explicitRelArrayFraction != null ? FLOAT.apply(explicitRelArrayFraction) : 1.0f;
// Figure out if user is inadvertently overwriting her own configuration
HPCMemoryConfig.Source source =
basedOnRatio.source() == HPCMemoryConfig.Source.DEFAULT_MEMORY_RATIO
? HPCMemoryConfig.Source.SPECIFIC
: HPCMemoryConfig.Source.SPECIFIC_OVERRIDING_RATIO;
return new HPCMemoryConfig(
nodeCacheBytes, relCacheBytes, nodeArrRatio, relArrRatio, source);
}
return basedOnRatio;
}
public TO next() {
FROM from = fromIterator.next();
return function.map(from);
}