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'databene commons' is an open source Java library by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
* All rights reserved.
*
* 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 org.databene.commons;
import org.databene.commons.converter.ToStringConverter;
/**
* Helper class for managing escalations.
* @author Volker Bergmann
* @since 0.2.04
*/
public class Escalation {
public final String message;
public final Object originator;
public final Object cause;
public Escalation(String message, Object originator, Object cause) {
super();
Assert.notNull(message, "message");
this.message = message;
this.originator = originator;
this.cause = cause;
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
if (originator != null)
builder.append(originator).append(": ");
builder.append(message);
if (cause != null)
builder.append(": ").append(ToStringConverter.convert(cause, ""));
return builder.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((message == null) ? 0 : message.hashCode());
result = prime * result
+ ((originator == null) ? 0 : originator.hashCode());
return result;
}
/**
* Two Escalations are considered equal if originator and message are the same.
*/
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
final Escalation other = (Escalation) obj;
if (message == null) {
if (other.message != null)
return false;
} else if (!message.equals(other.message))
return false;
if (originator == null) {
if (other.originator != null)
return false;
} else if (!originator.equals(other.originator))
return false;
return true;
}
}