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/*
 * Copyright © 2014-2020 Vladlen V. Larionov and others as noted.
 *
 * 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 colesico.framework.service.codegen.model;

import colesico.framework.assist.codegen.model.MethodElement;

import java.util.*;

/**
 * @author Vladlen Larionov
 */
public final class ProxyMethodElement {

    protected ServiceElement parentService;

    private final MethodElement originMethod;

    /**
     * This flag can be used to verify that  the annotations that  regarding the
     * service are used appropriately on the methods that will be proxied.
     */
    private final boolean isPlain;

    /**
     * Indicates that the method is not tele-method
     */
    private final boolean isLocal;

    private final Map> interceptionsByPhase;

    private InterceptionElement superMethodInterception;

    /**
     * Common purpose properties
     */
    private final Map properties;

    public ProxyMethodElement(MethodElement originMethod, boolean isPlain, boolean isLocal) {
        this.originMethod = originMethod;
        this.isPlain = isPlain;
        this.isLocal = isLocal;
        this.interceptionsByPhase = new HashMap<>();
        this.properties = new HashMap();
    }

    public  P getProperty(Class propertyClass) {
        return (P) properties.get(propertyClass);
    }

    public void setProperty(Object property) {
        properties.put(property.getClass(), property);
    }

    public final void addInterception(String interceptionPhase, InterceptionElement interception) {
        List phaseInterceptions = this.interceptionsByPhase.computeIfAbsent(interceptionPhase, k -> new ArrayList<>());
        phaseInterceptions.add(interception);
    }

    public InterceptionElement getSuperMethodInterception() {
        return superMethodInterception;
    }

    public void setSuperMethodInterception(InterceptionElement interception) {
        this.superMethodInterception = interception;
    }

    public final String getName() {
        return originMethod.getName();
    }

    public final MethodElement getOriginMethod() {
        return originMethod;
    }

    public final boolean isPlain() {
        return isPlain;
    }

    public final boolean isLocal() {
        return isLocal;
    }

    public final List getPhaseInterceptions(String interceptionPhase) {
        List phaseInterceptions = interceptionsByPhase.get(interceptionPhase);
        if (phaseInterceptions == null) {
            return new ArrayList<>();
        }
        return Collections.unmodifiableList(phaseInterceptions);
    }

    public ServiceElement getParentService() {
        return parentService;
    }

    @Override
    public String toString() {
        return "ProxyMethodElement{" +
                "originMethod=" + originMethod +
                '}';
    }
}