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/*
 * Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
 *
 * 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.querydsl.codegen;

import com.querydsl.codegen.utils.model.Parameter;
import com.querydsl.codegen.utils.model.Type;
import java.util.List;
import java.util.Objects;

/**
 * {@code Delegate} defines a delegate method which dispatches to an external static method
 *
 * @author tiwe
 */
public class Delegate {

  private final Type declaringType;

  private final Type delegateType;

  private final String name;

  private final List parameters;

  private final Type returnType;

  public Delegate(
      Type declaringType, Type delegateType, String name, List params, Type returnType) {
    this.declaringType = declaringType;
    this.delegateType = delegateType;
    this.name = name;
    this.parameters = params;
    this.returnType = returnType;
  }

  @Override
  public boolean equals(Object o) {
    if (o == this) {
      return true;
    } else if (o instanceof Delegate) {
      var m = (Delegate) o;
      return m.name.equals(name) && m.parameters.equals(parameters);
    } else {
      return false;
    }
  }

  public Type getDeclaringType() {
    return declaringType;
  }

  public Type getDelegateType() {
    return delegateType;
  }

  public String getName() {
    return name;
  }

  public List getParameters() {
    return parameters;
  }

  public Type getReturnType() {
    return returnType;
  }

  @Override
  public int hashCode() {
    return Objects.hash(name, parameters);
  }

  @Override
  public String toString() {
    return delegateType.getFullName() + "." + name + " " + parameters;
  }
}