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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.messagebus.routing;
/**
* This class represents a policy directive within a {@link Hop}'s selector. This means to create the named protocol
* using the given parameter string, and then running that protocol within the context of this directive.
*
* @author Simon Thoresen Hult
*/
public class PolicyDirective implements HopDirective {
private final String name;
private final String param;
/**
* Constructs a new policy selector item.
*
* @param name The name of the policy to invoke.
* @param param The parameter to pass to the name constructor.
*/
public PolicyDirective(String name, String param) {
this.name = name;
this.param = param;
}
@Override
public boolean matches(HopDirective dir) {
return true;
}
/**
* Returns the name of the policy that this item is to invoke.
*
* @return The name name.
*/
public String getName() {
return name;
}
/**
* Returns the parameter string for this policy directive.
*
* @return The parameter.
*/
public String getParam() {
return param;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof PolicyDirective)) {
return false;
}
PolicyDirective rhs = (PolicyDirective)obj;
if (!name.equals(rhs.name)) {
return false;
}
if (param == null && rhs.param != null) {
return false;
}
if (param != null && !param.equals(rhs.param)) {
return false;
}
return true;
}
@Override
public String toString() {
return "[" + name + (param != null && param.length() > 0 ? ":" + param : "") + "]";
}
@Override
public String toDebugString() {
return "PolicyDirective(name = '" + name + "', param = '" + param + "')";
}
@Override
public int hashCode() {
int result = name != null ? name.hashCode() : 0;
result = 31 * result + (param != null ? param.hashCode() : 0);
return result;
}
}
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