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proof of concept to avoid EMF pooling #1036

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rubenporras wants to merge 1 commit into from
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proof of concept to avoid EMF pooling #1036

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26 changes: 26 additions & 0 deletions ...com/avaloq/tools/ddk/xtext/resource/persistence/DirectLinkingResourceStorageLoadable.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
import java.util.Collections;
import java.util.Deque;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.zip.ZipInputStream;

import org.apache.logging.log4j.LogManager;
Expand Down Expand Up @@ -62,6 +63,8 @@ public class DirectLinkingResourceStorageLoadable extends ResourceStorageLoadabl

private static final Logger LOG = LogManager.getLogger(DirectLinkingResourceStorageLoadable.class);

private static final Map<String, URI> resourceUriMap = new ConcurrentHashMap<>(100_000);
private static final Map<String, URI> fragmentUriMap = new ConcurrentHashMap<>(500_000);
private static final int SOURCE_BUFFER_CAPACITY = 0x10000; // 64 KiB

private final boolean loadNodeModel;
Expand Down Expand Up @@ -314,6 +317,29 @@ public InternalEObject loadEObject() throws IOException {
return result;
}

@Override
public URI readURI() throws IOException {
int id = readCompressedInt();
if (id == -1) {
return null;
} else {
URI uri;
if (uriList.size() <= id) {
String value = readSegmentedString();
uri = resolve(resourceUriMap.computeIfAbsent(value, key -> new DirectLinkingURI(key)));
uriList.add(uri);
} else {
uri = uriList.get(id);
}
String fragment = readSegmentedString();
if (fragment != null) {
uri = fragmentUriMap.computeIfAbsent(uri.toString() + '#' + fragment, key -> new DirectLinkingURI(key));
// uri = uri.appendFragment(fragment);
}
return uri;
}
}

@Override
protected void loadFeatureValue(final InternalEObject internalEObject, final EStructuralFeatureData eStructuralFeatureData) throws IOException {
try {
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