/*
* Copyright 2000-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.psi.stubsHierarchy.impl;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* This annotation exists for documentation purposes only.<p/>
*
* The value annotated with this annotation is used to save memory when storing mostly-singular or empty collections.
* For empty collection, 'null' value is used. For one-element collection, the value is the single element. Otherwise,
* an array is used. Possible component types are specified in the annotation value.
*/
@Retention(RetentionPolicy.SOURCE)
@Target(ElementType.TYPE_USE)
@interface CompactArray {
Class[] value();
}
/**
* int hash of a qualified name by {@link NameEnvironment}
*/
@Retention(RetentionPolicy.SOURCE)
@Target(ElementType.TYPE_USE)
@interface QNameHash { }
/**
* int hash of a qualified name part, produced by {@link NameEnvironment#hashIdentifier(String)}
*/
@Retention(RetentionPolicy.SOURCE)
@Target(ElementType.TYPE_USE)
@interface ShortName { }