org.springsource.loaded.FieldDelta Maven / Gradle / Ivy
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/*
* Copyright 2010-2012 VMware and contributors
*
* 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.springsource.loaded;
/**
* Encapsulates what has changed about a field on a reload.
*
* @author Andy Clement
* @since 0.5.0
*/
public class FieldDelta {
public int changed;
private final static int CHANGED_TYPE = 0x0001;
private final static int CHANGED_ACCESS = 0x0002;
private final static int CHANGED_ANNOTATIONS = 0x0004;
private final static int CHANGED_MASK = CHANGED_TYPE | CHANGED_ACCESS | CHANGED_ANNOTATIONS;
public final String name;
// o = original, n = new
String oDesc, nDesc;
String annotationChanges;
int oAccess, nAccess;
public FieldDelta(String name) {
this.name = name;
}
public void setTypeChanged(String oldDesc, String newDesc) {
this.oDesc = oldDesc;
this.nDesc = newDesc;
this.changed |= CHANGED_TYPE;
}
public void setAnnotationsChanged(String annotationChanges) {
this.annotationChanges = annotationChanges;
this.changed |= CHANGED_ANNOTATIONS;
}
public boolean hasAnyChanges() {
return (changed & CHANGED_MASK) != 0;
}
public void setAccessChanged(int oldAccess, int newAccess) {
this.oAccess = oldAccess;
this.nAccess = newAccess;
this.changed |= CHANGED_ACCESS;
}
public String toString() {
StringBuilder s = new StringBuilder();
s.append("FieldDelta[field:").append(name);
if ((changed & CHANGED_TYPE) != 0) {
s.append(" type:").append(oDesc).append(">").append(nDesc);
}
if ((changed & CHANGED_ACCESS) != 0) {
s.append(" access:").append(oAccess).append(">").append(nAccess);
}
if ((changed & CHANGED_ANNOTATIONS) != 0) {
s.append(" annotations:").append(annotationChanges);
}
s.append("]");
return s.toString();
}
}