com.google.inject.grapher.DependencyEdge Maven / Gradle / Ivy
/**
* Copyright (C) 2008 Google Inc.
*
* 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.google.inject.grapher;
import com.google.common.base.Objects;
import com.google.inject.spi.InjectionPoint;
/**
* Edge from a class or {@link InjectionPoint} to the interface node that will satisfy the
* dependency.
*
* @author [email protected] (Pete Hopkins)
*/
public class DependencyEdge extends Edge {
/**
* Injection point to which this dependency belongs, or null if the dependency isn't attached to a
* particular injection point.
*/
private final InjectionPoint injectionPoint;
public DependencyEdge(NodeId fromId, NodeId toId, InjectionPoint injectionPoint) {
super(fromId, toId);
this.injectionPoint = injectionPoint;
}
public InjectionPoint getInjectionPoint() {
return injectionPoint;
}
@Override public boolean equals(Object obj) {
if (!(obj instanceof DependencyEdge)) {
return false;
}
DependencyEdge other = (DependencyEdge) obj;
return super.equals(other) && Objects.equal(injectionPoint, other.injectionPoint);
}
@Override public int hashCode() {
return 31 * super.hashCode() + Objects.hashCode(injectionPoint);
}
@Override public String toString() {
return "DependencyEdge{fromId=" + getFromId() + " toId=" + getToId()
+ " injectionPoint=" + injectionPoint + "}";
}
@Override public Edge copy(NodeId fromId, NodeId toId) {
return new DependencyEdge(fromId, toId, injectionPoint);
}
}