| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.commons.weaver.model; |
| |
| import java.lang.reflect.Member; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.commons.weaver.utils.Args; |
| |
| /** |
| * Represents a {@link Weavable} "executable". |
| * |
| * @param <SELF> own type |
| * @param <TARGET> target executable type |
| * @param <T> owning type |
| * @param <P> parameter type |
| */ |
| public abstract class WeavableExecutable |
| <SELF extends WeavableExecutable<SELF, TARGET, T, P>, |
| TARGET extends Member, |
| T, |
| P extends WeavableParameter<P, SELF, TARGET, T>> |
| extends NestedWeavable<SELF, TARGET, WeavableClass<T>, Class<T>> { |
| |
| private final List<P> parameters; |
| |
| /** |
| * Create a new {@link WeavableExecutable} instance. |
| * @param target executable |
| * @param parent enclosing {@link WeavableClass} |
| */ |
| protected WeavableExecutable(final TARGET target, final WeavableClass<T> parent) { |
| super(target, parent); |
| final List<P> params = new ArrayList<>(); |
| final int paramCount = getParameterTypes().length; |
| for (int i = 0; i < paramCount; i++) { |
| params.add(createParameter(i)); |
| } |
| parameters = Collections.unmodifiableList(params); |
| } |
| |
| /** |
| * Create an appropriate {@link WeavableParameter} object. |
| * @param index of parameter |
| * @return {@code P} |
| */ |
| protected abstract P createParameter(int index); |
| |
| /** |
| * Gets the parameter types of {@link #getTarget()}. |
| * @return {@link Class}[] |
| */ |
| protected abstract Class<?>[] getParameterTypes(); |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected int localCompareTo(final SELF obj) { |
| return Args.compare(getParameterTypes(), obj.getParameterTypes()); |
| } |
| |
| /** |
| * Gets the parameter at the specified index. |
| * @param index {@code int} |
| * @return {@code P} |
| */ |
| public P getWeavableParameter(final int index) { |
| return parameters.get(index); |
| } |
| |
| /** |
| * Gets the parameters declared by this {@link WeavableExecutable}. |
| * @return {@link Iterable} of {@code P} |
| */ |
| public Iterable<P> getParameters() { |
| return parameters; |
| } |
| } |