--- /dev/null
+package org.simantics.db.impl.query;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLDecoder;
+
+import org.simantics.utils.FileUtils;
+
+public class CodeGen {
+
+ int indent = 4;
+
+
+
+ String[] signatureR1RelationInfo = { "int r", "r", "keyR", "long", "InternalProcedure<RelationInfo>", "entry.id" };
+ String[] signatureR1Bytes = { "int r", "r", "keyR", "long", "InternalProcedure<byte[]>", "entry.id" };
+ String[] signatureR1IntSet = { "int r", "r", "keyR", "long", "InternalProcedure<IntSet>", "entry.id" };
+ String[] signatureR1IP = { "int r", "r", "keyR", "long", "IntProcedure", "entry.id" };
+ String[] signatureR2IP = { "int r1, int r2", "r1,r2", "keyR2", "long", "IntProcedure", "entry.id" };
+ String[] signatureR2TIP = { "int r1, int r2", "r1,r2", "keyR2", "long", "TripleIntProcedure", "entry.id" };
+ String[] signatureID1 = { "String id", "id", "keyID", "String", "InternalProcedure<Integer>", "entry.id" };
+ String[] signatureID2 = { "String id", "id", "keyID", "String", "InternalProcedure<TObjectIntHashMap<String>>", "entry.id" };
+ String[] signatureRead = { "Read<?> r", "r", "id", "long", "AsyncProcedure", "entry.request" };
+ String[] signatureAsyncRead = { "AsyncRead<?> r", "r", "id", "long", "AsyncProcedure", "entry.request" };
+ String[] signatureMultiRead = { "MultiRead<?> r", "r", "id", "long", "AsyncMultiProcedure", "entry.request" };
+ String[] signatureAsyncMultiRead = { "AsyncMultiRead<?> r", "r", "id", "long", "AsyncMultiProcedure", "entry.request" };
+ String[] signatureExternalRead = { "ExternalRead<?> r", "r", "id", "long", "AsyncProcedure", "entry.request" };
+
+ private void line(StringBuilder content, String line) {
+ for(int i=0;i<indent;i++)
+ content.append(" ");
+ content.append(line);
+ content.append("\n");
+ }
+
+ public void generateQuery(StringBuilder content, String clazz, String[] signature, boolean runnerShortcut) {
+ generateGetOrCreate(content, clazz, signature);
+ generateRemove(content, clazz, signature);
+ generateRunner(content, clazz, signature, runnerShortcut);
+ }
+
+ public void generateRunner(StringBuilder content, String clazz, String[] signature, boolean shortcut) {
+
+ line(content, "static void runner" + clazz + "(ReadGraphImpl graph, " + signature[0] + ", CacheEntry parent, ListenerBase listener, " + signature[4] + " procedure) throws DatabaseException {");
+ if(shortcut) {
+ line(content, " if(parent == null && listener == null) {");
+ line(content, " " + clazz + ".computeForEach(graph, " + signature[1] + ", null, procedure);");
+ line(content, " return;");
+ line(content, " }");
+ }
+ line(content, " QueryCache cache = graph.processor.cache;");
+ line(content, " if(procedure == null) procedure = emptyProcedure" + clazz + ";");
+ line(content, " " + clazz + " entry = (" + clazz + ")cache.getOrCreate" + clazz + "(" + signature[1] + ");");
+ line(content, " ListenerEntry listenerEntry = cache.registerDependencies(graph, entry, parent, listener, procedure, false);");
+ line(content, " if(entry.isReady()) entry.performFromCache(graph, procedure);");
+ line(content, " else {");
+ if(shortcut) line(content, " " + clazz + ".computeForEach(graph, " + signature[1] + ", entry, procedure);");
+ else line(content, " entry.compute(graph, procedure);");
+ line(content, " if(listenerEntry != null) cache.primeListenerEntry(listenerEntry, entry.getResult());");
+ line(content, " }");
+ line(content, "}");
+ line(content, "");
+
+ }
+
+ public void generateRemove(StringBuilder content, String clazz, String[] signature) {
+
+ String lower = Character.toLowerCase(clazz.charAt(0)) + clazz.substring(1);
+
+ line(content, "void remove(" + clazz + " entry) {");
+ line(content, " synchronized(" + lower + "Map) {");
+ line(content, " " + lower + "Map.remove(" + signature[5] + ");");
+ line(content, " }");
+ line(content, "}");
+ line(content, "");
+
+ }
+
+ public void generateGetOrCreate(StringBuilder content, String clazz, String[] signature) {
+
+ String lower = Character.toLowerCase(clazz.charAt(0)) + clazz.substring(1);
+
+ line(content, "" + clazz + " getOrCreate" + clazz + "(" + signature[0] + ") throws DatabaseException {");
+ line(content, " " + clazz + " existing = null;");
+ line(content, " synchronized(" + lower + "Map) {");
+ line(content, " existing = (" + clazz + ")" + lower + "Map.get(" + signature[1] + ");");
+ line(content, " if(existing == null) {");
+ line(content, " existing = new " + clazz + "(" + signature[1] + ");");
+ line(content, " existing.clearResult(querySupport);");
+ line(content, " existing.setPending();");
+ line(content, " " + lower + "Map.put(" + signature[2] + "(" + signature[1] + "), existing);");
+ line(content, " return existing;");
+ line(content, " }");
+ line(content, " if(existing.requiresComputation()) {");
+ line(content, " existing.setPending();");
+ line(content, " return existing;");
+ line(content, " }");
+ line(content, " }");
+ line(content, " if(existing.isPending()) waitPending(existing);");
+ line(content, " return existing;");
+ line(content, "}");
+ line(content, "");
+
+ }
+
+ public void generate() {
+
+ URL classLocation = CodeGen.class.getResource(".");
+ if (classLocation != null) {
+ if (classLocation.getProtocol().equals("file")) {
+ try {
+ URL resource = new URL(classLocation, ".");
+ File path = new File(URLDecoder.decode(resource.getPath(), "UTF-8"));
+ String target = path.getAbsolutePath().replace("\\", "/");
+ target = target.replace("/bin/", "/src/") + "/QueryCache.java";
+ System.err.println("target=" + target);
+ File source = new File(target);
+ StringBuilder content = new StringBuilder();
+ content.append("package org.simantics.db.impl.query;\n");
+ content.append("\n");
+ content.append("import org.simantics.db.RelationInfo;\n");
+ content.append("import org.simantics.db.exception.DatabaseException;\n");
+ content.append("import org.simantics.db.impl.graph.ReadGraphImpl;\n");
+ content.append("import org.simantics.db.impl.procedure.InternalProcedure;\n");
+ content.append("import org.simantics.db.procedure.AsyncMultiProcedure;\n");
+ content.append("import org.simantics.db.procedure.AsyncProcedure;\n");
+ content.append("import org.simantics.db.procedure.ListenerBase;\n");
+ content.append("import org.simantics.db.request.AsyncMultiRead;\n");
+ content.append("import org.simantics.db.request.AsyncRead;\n");
+ content.append("import org.simantics.db.request.ExternalRead;\n");
+ content.append("import org.simantics.db.request.MultiRead;\n");
+ content.append("import org.simantics.db.request.Read;\n");
+ content.append("\n");
+ content.append("import gnu.trove.map.hash.TObjectIntHashMap;\n");
+ content.append("\n");
+
+ content.append("public class QueryCache extends QueryCacheBase {\n");
+ content.append("\n");
+ line(content,"public QueryCache(QuerySupport querySupport, int threads) {");
+ line(content," super(querySupport, threads);");
+ line(content,"}");
+ content.append("\n");
+
+ generateQuery(content, "Objects", signatureR2IP, true);
+ generateQuery(content, "Statements", signatureR2TIP, true);
+ generateQuery(content, "DirectObjects", signatureR2IP, true);
+ generateQuery(content, "RelationInfoQuery", signatureR1RelationInfo, true);
+ generateQuery(content, "URIToResource", signatureID1, true);
+ generateQuery(content, "ValueQuery", signatureR1Bytes, true);
+ generateQuery(content, "OrderedSet", signatureR1IP, true);
+ generateQuery(content, "PrincipalTypes", signatureR1IP, true);
+ generateQuery(content, "DirectPredicates", signatureR1IntSet, true);
+ generateQuery(content, "Predicates", signatureR1IntSet, true);
+ generateQuery(content, "ReadEntry", signatureRead, true);
+ generateQuery(content, "Types", signatureR1IntSet, true);
+
+ generateQuery(content, "AssertedStatements", signatureR2TIP, false);
+ generateQuery(content, "NamespaceIndex", signatureID2, false);
+ generateQuery(content, "AssertedPredicates", signatureR1IP, false);
+ generateQuery(content, "DirectSuperRelations", signatureR1IP, false);
+ generateQuery(content, "SuperTypes", signatureR1IntSet, false);
+ generateQuery(content, "TypeHierarchy", signatureR1IntSet, false);
+ generateQuery(content, "SuperRelations", signatureR1IntSet, false);
+ generateQuery(content, "AsyncReadEntry", signatureAsyncRead, false);
+ generateQuery(content, "MultiReadEntry", signatureMultiRead, false);
+ generateQuery(content, "AsyncMultiReadEntry", signatureAsyncMultiRead, false);
+ generateQuery(content, "ExternalReadEntry", signatureExternalRead, false);
+ content.append("}\n");
+ FileUtils.writeFile(source, content.toString().getBytes());
+ } catch (MalformedURLException e) {
+ e.printStackTrace();
+ } catch (UnsupportedEncodingException e) {
+ e.printStackTrace();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+ }
+
+ public static void main(String[] args) {
+ new CodeGen().generate();
+ }
+
+}
Code Review / simantics / platform.git / blobdiff