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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.tomcat.util.modeler;
import java.util.Locale;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanParameterInfo;
/**
* <p>Internal configuration information for an <code>Operation</code>
* descriptor.</p>
*
* @author Craig R. McClanahan
*/
public class OperationInfo extends FeatureInfo {
static final long serialVersionUID = 4418342922072614875L;
// ----------------------------------------------------------- Constructors
/**
* Standard zero-arguments constructor.
*/
public OperationInfo() {
super();
}
// ----------------------------------------------------- Instance Variables
protected String impact = "UNKNOWN";
protected String role = "operation";
protected ParameterInfo parameters[] = new ParameterInfo[0];
// ------------------------------------------------------------- Properties
/**
* The "impact" of this operation, which should be a (case-insensitive)
* string value "ACTION", "ACTION_INFO", "INFO", or "UNKNOWN".
*/
public String getImpact() {
return (this.impact);
}
public void setImpact(String impact) {
if (impact == null)
this.impact = null;
else
this.impact = impact.toUpperCase(Locale.ENGLISH);
}
/**
* The role of this operation ("getter", "setter", "operation", or
* "constructor").
*/
public String getRole() {
return (this.role);
}
public void setRole(String role) {
this.role = role;
}
/**
* The fully qualified Java class name of the return type for this
* operation.
*/
public String getReturnType() {
if(type == null) {
type = "void";
}
return type;
}
public void setReturnType(String returnType) {
this.type = returnType;
}
/**
* The set of parameters for this operation.
*/
public ParameterInfo[] getSignature() {
return (this.parameters);
}
// --------------------------------------------------------- Public Methods
/**
* Add a new parameter to the set of arguments for this operation.
*
* @param parameter The new parameter descriptor
*/
public void addParameter(ParameterInfo parameter) {
synchronized (parameters) {
ParameterInfo results[] = new ParameterInfo[parameters.length + 1];
System.arraycopy(parameters, 0, results, 0, parameters.length);
results[parameters.length] = parameter;
parameters = results;
this.info = null;
}
}
/**
* Create and return a <code>ModelMBeanOperationInfo</code> object that
* corresponds to the attribute described by this instance.
*/
MBeanOperationInfo createOperationInfo() {
// Return our cached information (if any)
if (info == null) {
// Create and return a new information object
int impact = MBeanOperationInfo.UNKNOWN;
if ("ACTION".equals(getImpact()))
impact = MBeanOperationInfo.ACTION;
else if ("ACTION_INFO".equals(getImpact()))
impact = MBeanOperationInfo.ACTION_INFO;
else if ("INFO".equals(getImpact()))
impact = MBeanOperationInfo.INFO;
info = new MBeanOperationInfo(getName(), getDescription(),
getMBeanParameterInfo(),
getReturnType(), impact);
}
return (MBeanOperationInfo)info;
}
protected MBeanParameterInfo[] getMBeanParameterInfo() {
ParameterInfo params[] = getSignature();
MBeanParameterInfo parameters[] =
new MBeanParameterInfo[params.length];
for (int i = 0; i < params.length; i++)
parameters[i] = params[i].createParameterInfo();
return parameters;
}
}
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