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[jOOQ/jOOQ#11116] Cache implicit join path references

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This commit is contained in:
Lukas Eder 2020-12-11 14:53:53 +01:00
parent 2dd9232064
commit 01065c4ea0
1 changed files with 27 additions and 3 deletions
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30
jOOQ-codegen/src/main/java/org/jooq/codegen/JavaGenerator.java
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@ -5683,6 +5683,22 @@ public class JavaGenerator extends AbstractGenerator {
// Outbound (to-one) implicit join paths
if (generateImplicitJoinPathsToOne()) {
if (scala) {}
else {
out.println();
// [#8762] Cache these calls for much improved runtime performance!
for (ForeignKeyDefinition foreignKey : foreignKeys) {
final String referencedTableClassName = out.ref(getStrategy().getFullJavaClassName(foreignKey.getReferencedTable()));
final String keyMethodName = out.ref(getStrategy().getJavaMethodName(foreignKey));
if (kotlin)
out.println("private lateinit var _%s: %s", keyMethodName, referencedTableClassName);
else
out.println("private transient %s _%s;", referencedTableClassName, keyMethodName);
}
}
for (ForeignKeyDefinition foreignKey : foreignKeys) {
final String keyFullId = kotlin
? out.ref(getStrategy().getFullJavaIdentifier(foreignKey))
@ -5691,15 +5707,23 @@ public class JavaGenerator extends AbstractGenerator {
final String keyMethodName = out.ref(getStrategy().getJavaMethodName(foreignKey));
if (scala) {
out.println("%sdef %s: %s = new %s(this, %s)", visibility(), scalaWhitespaceSuffix(keyMethodName), referencedTableClassName, referencedTableClassName, keyFullId);
out.println("%slazy val %s: %s = { new %s(this, %s) }", visibility(), scalaWhitespaceSuffix(keyMethodName), referencedTableClassName, referencedTableClassName, keyFullId);
}
else if (kotlin) {
out.println("%sfun %s(): %s = %s(this, %s)", visibility(), keyMethodName, referencedTableClassName, referencedTableClassName, keyFullId);
out.println("%sfun %s(): %s {", visibility(), keyMethodName, referencedTableClassName);
out.println("if (!%s::_%s.isInitialized)", className, keyMethodName);
out.println("_%s = %s(this, %s)", keyMethodName, referencedTableClassName, keyFullId);
out.println();
out.println("return _%s;", keyMethodName);
out.println("}");
}
else {
out.println();
out.println("%s%s %s() {", visibility(), referencedTableClassName, keyMethodName);
out.println("return new %s(this, %s);", referencedTableClassName, keyFullId);
out.println("if (_%s == null)", keyMethodName);
out.println("_%s = new %s(this, %s);", keyMethodName, referencedTableClassName, keyFullId);
out.println();
out.println("return _%s;", keyMethodName);
out.println("}");
}
}