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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.messagebus.routing;
/**
* This class represents an error directive within a {@link Hop}'s selector. This means to stop whatever is being
* resolved, and instead return a reply containing a specified error.
*
* @author Simon Thoresen Hult
*/
public class ErrorDirective implements HopDirective {
private String msg;
/**
* Constructs a new error directive.
*
* @param msg The error message.
*/
public ErrorDirective(String msg) {
this.msg = msg;
}
/**
* Returns the error string that is to be assigned to the reply.
*
* @return The error string.
*/
public String getMessage() {
return msg;
}
@Override
public boolean matches(HopDirective dir) {
return false;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof ErrorDirective)) {
return false;
}
ErrorDirective rhs = (ErrorDirective)obj;
if (!msg.equals(rhs.msg)) {
return false;
}
return true;
}
@Override
public String toString() {
return "(" + msg + ")";
}
@Override
public String toDebugString() {
return "ErrorDirective(msg = '" + msg + "')";
}
@Override
public int hashCode() {
return msg != null ? msg.hashCode() : 0;
}
}
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