/*
 * Copyright 2017 the original author or authors.
 *
 * 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.gradle.caching.internal;

import org.gradle.caching.BuildCacheEntryReader;
import org.gradle.caching.BuildCacheEntryWriter;
import org.gradle.caching.BuildCacheException;
import org.gradle.caching.BuildCacheKey;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class PushOrPullPreventingBuildCacheServiceDecorator extends AbstractRoleAwareBuildCacheServiceDecorator {
    private static final Logger LOGGER = LoggerFactory.getLogger(PushOrPullPreventingBuildCacheServiceDecorator.class);

    private final boolean pushDisabled;
    private final boolean pullDisabled;

    public PushOrPullPreventingBuildCacheServiceDecorator(boolean pushDisabled, boolean pullDisabled, RoleAwareBuildCacheService delegate) {
        super(delegate);
        this.pushDisabled = pushDisabled;
        this.pullDisabled = pullDisabled;
    }

    @Override
    public boolean load(BuildCacheKey key, BuildCacheEntryReader reader) throws BuildCacheException {
        if (pullDisabled) {
            LOGGER.debug("Not loading entry {} because pulling from {} build cache is disabled for the build", key, getRole());
            return false;
        }
        return super.load(key, reader);
    }

    @Override
    public void store(BuildCacheKey key, BuildCacheEntryWriter writer) throws BuildCacheException {
        if (pushDisabled) {
            LOGGER.debug("Not storing entry {} because pushing to {} build cache is disabled for the build", key, getRole());
        } else {
            super.store(key, writer);
        }
    }
}
