com.aspectran.core.component.aspect.AspectRuleRegistry Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aspectran-all Show documentation

Aspectran (All-in-One)

There is a newer version: 8.1.3

/*
 * Copyright (c) 2008-2019 The Aspectran Project
 *
 * 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.aspectran.core.component.aspect;

import com.aspectran.core.component.AbstractComponent;
import com.aspectran.core.context.rule.AspectRule;
import com.aspectran.core.context.rule.IllegalRuleException;
import com.aspectran.core.util.logging.Log;
import com.aspectran.core.util.logging.LogFactory;

import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.Map;

/**
 * The Class AspectRuleRegistry.
 */
public class AspectRuleRegistry extends AbstractComponent {

    private static final Log log = LogFactory.getLog(AspectRuleRegistry.class);

    private final Map aspectRuleMap = new LinkedHashMap<>();

    public AspectRuleRegistry() {
    }

    public Collection getAspectRules() {
        return aspectRuleMap.values();
    }

    public AspectRule getAspectRule(String aspectId) {
        return aspectRuleMap.get(aspectId);
    }

    public boolean contains(String aspectId) {
        return aspectRuleMap.containsKey(aspectId);
    }

    public void addAspectRule(AspectRule aspectRule) throws IllegalRuleException {
        if (aspectRule == null) {
            throw new IllegalArgumentException("aspectRule must not be null");
        }
        AspectRule old = aspectRuleMap.put(aspectRule.getId(), aspectRule);
        if (old != null) {
            throw new IllegalRuleException("Cannot add an Aspect Rule because of Duplicate Aspect ID: " +
                    aspectRule.getId());
        }

        if (log.isTraceEnabled()) {
            log.trace("add AspectRule " + aspectRule);
        }
    }

    @Override
    protected void doInitialize() {
        // Nothing to do
    }

    @Override
    protected void doDestroy() {
        aspectRuleMap.clear();
    }

}