/*
* Copyright 2010-2015 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 org.jetbrains.kotlin.util.slicedMap;
import org.jetbrains.annotations.
NotNull;
import java.lang.reflect.
Field;
import java.lang.reflect.
Modifier;
public class
BasicWritableSlice<K, V> extends
AbstractWritableSlice<K, V> {
public static
Void initSliceDebugNames(
Class<?>
declarationOwner) {
for (
Field field :
declarationOwner.
getFields()) {
if (!
Modifier.
isStatic(
field.
getModifiers())) continue;
try {
Object value =
field.
get(null);
if (
value instanceof
BasicWritableSlice) {
BasicWritableSlice slice = (
BasicWritableSlice)
value;
slice.
debugName =
field.
getName();
}
} catch (
IllegalAccessException e) {
throw new
IllegalStateException(
e);
}
}
return null;
}
private
String debugName;
private final
RewritePolicy rewritePolicy;
private final boolean
isCollective;
public
BasicWritableSlice(
RewritePolicy rewritePolicy) {
this(
rewritePolicy, false);
}
public
BasicWritableSlice(
RewritePolicy rewritePolicy, boolean
isCollective) {
super("<BasicWritableSlice>");
this.
rewritePolicy =
rewritePolicy;
this.
isCollective =
isCollective;
}
// True to put, false to skip
@
Override
public boolean
check(K
key, V
value) {
// assert key != null : this + " called with null key";
assert
value != null : this + " called with null value";
return true;
}
@
Override
public void
afterPut(
MutableSlicedMap map, K
key, V
value) {
// Do nothing
}
@
Override
public V
computeValue(
SlicedMap map, K
key, V
value, boolean
valueNotFound) {
if (
valueNotFound) assert
value == null;
return
value;
}
@
Override
public
RewritePolicy getRewritePolicy() {
return
rewritePolicy;
}
@
Override
public boolean
isCollective() {
return
isCollective;
}
public void
setDebugName(@
NotNull String debugName) {
if (this.
debugName != null) {
throw new
IllegalStateException("Debug name already set for " + this);
}
this.
debugName =
debugName;
}
@
Override
public
String toString() {
return
debugName;
}
@
Override
public
ReadOnlySlice<K, V>
makeRawValueVersion() {
return new
DelegatingSlice<K, V>(this) {
@
Override
public V
computeValue(
SlicedMap map, K
key, V
value, boolean
valueNotFound) {
if (
valueNotFound) assert
value == null;
return
value;
}
};
}
}