hostsharing/hs.hsadmin.ng
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introduce singleton()

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This commit is contained in:
Michael Hoennig 2024-03-10 07:13:12 +01:00
parent c7931a67a9
commit 8d697e1ea7
1 changed files with 8 additions and 6 deletions
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14
src/main/java/net/hostsharing/hsadminng/rbac/rbacdef/InsertTriggerGenerator.java
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@ -1,6 +1,7 @@
package net.hostsharing.hsadminng.rbac.rbacdef;
import java.util.Optional;
import java.util.function.BinaryOperator;
import java.util.stream.Stream;
import static net.hostsharing.hsadminng.rbac.rbacdef.RbacView.Permission.INSERT;
@ -142,19 +143,20 @@ public class InsertTriggerGenerator {
private Optional<RbacView.RbacGrantDefinition> getOptionalInsertGrant() {
return getInsertGrants()
.reduce((x, y) -> {
throw new IllegalStateException("only a single INSERT permission grant allowed");
});
.reduce(singleton());
}
private Optional<RbacView.RbacRoleDefinition> getOptionalInsertSuperRole() {
return getInsertGrants()
.map(RbacView.RbacGrantDefinition::getSuperRoleDef)
.reduce((x, y) -> {
throw new IllegalStateException("only a single INSERT permission grant allowed");
});
.reduce(singleton());
}
private static <T> BinaryOperator<T> singleton() {
return (x, y) -> {
throw new IllegalStateException("only a single INSERT permission grant allowed");
};
}
private static String toVar(final RbacView.RbacRoleDefinition roleDef) {
return uncapitalize(roleDef.getEntityAlias().simpleName()) + capitalize(roleDef.getRole().roleName());