/*
* Copyright 2015 Ben Manes. All Rights Reserved.
*
* 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.github.benmanes.caffeine.cache.local;
import static com.github.benmanes.caffeine.cache.Specifications.STATS_COUNTER;
import static com.github.benmanes.caffeine.cache.Specifications.TICKER;
import com.github.benmanes.caffeine.cache.Feature;
import com.squareup.javapoet.FieldSpec;
import com.squareup.javapoet.MethodSpec;
/**
* @author ben.manes@gmail.com (Ben Manes)
*/
public final class AddStats extends LocalCacheRule {
@Override
protected boolean applies() {
return context.generateFeatures.contains(Feature.STATS);
}
@Override
protected void execute() {
addIsRecording();
addStatsTicker();
addStatsCounter();
}
private void addIsRecording() {
context.cache.addMethod(MethodSpec.methodBuilder("isRecordingStats")
.addModifiers(publicFinalModifiers)
.addStatement("return true")
.returns(boolean.class)
.build());
}
private void addStatsCounter() {
context.constructor.addStatement("this.statsCounter = builder.getStatsCounterSupplier().get()");
context.cache.addField(FieldSpec.builder(
STATS_COUNTER, "statsCounter", privateFinalModifiers).build());
context.cache.addMethod(MethodSpec.methodBuilder("statsCounter")
.addModifiers(publicFinalModifiers)
.addStatement("return statsCounter")
.returns(STATS_COUNTER)
.build());
}
private void addStatsTicker() {
context.cache.addMethod(MethodSpec.methodBuilder("statsTicker")
.addModifiers(publicFinalModifiers)
.addStatement("return $T.systemTicker()", TICKER)
.returns(TICKER)
.build());
}
}