Upstream/ProtocolLib
1
0
Fork 0
mirror of https://github.com/dmulloy2/ProtocolLib.git synced 2024-11-24 11:36:51 +01:00
Code Issues Projects Releases Wiki Activity

Reload the previous value in VolatileField when calling refreshValue()

Browse Source
This commit is contained in:
Kristian S. Stangeland 2013-12-07 00:56:45 +01:00
parent d83655f2d3
commit e44f02e1fa
1 changed files with 41 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
ProtocolLib/src/main/java/com/comphenix/protocol/reflect/VolatileField.java
View File

@ -19,6 +19,8 @@ package com.comphenix.protocol.reflect;
import java.lang.reflect.Field;
import net.minecraft.util.com.google.common.base.Objects;
/**
* Represents a field that will revert to its original state when this class is garbaged collected.
*
@ -136,15 +138,23 @@ public class VolatileField {
}
/**
* Ensure the previously set value is set.
* Reapply the current changed value.
* <p>
* Also refresh the previously set value.
*/
public void refreshValue() {
Object fieldValue = readFieldValue();
if (currentSet) {
try {
FieldUtils.writeField(field, container, current, forceAccess);
} catch (IllegalAccessException e) {
throw new RuntimeException("Unable to read field " + field.getName(), e);
// If they differ, we need to set them again
if (!Objects.equal(current, fieldValue)) {
previous = readFieldValue();
previousLoaded = true;
writeFieldValue(current);
}
} else if (previousLoaded) {
// Update that too
previous = fieldValue;
}
}
@ -183,12 +193,32 @@ public class VolatileField {
private void ensureLoaded() {
// Load the value if we haven't already
if (!previousLoaded) {
try {
previous = FieldUtils.readField(field, container, forceAccess);
previousLoaded = true;
} catch (IllegalAccessException e) {
throw new RuntimeException("Unable to read field " + field.getName(), e);
}
previous = readFieldValue();
previousLoaded = true;
}
}
/**
* Read the content of the underlying field.
* @return The field value.
*/
private Object readFieldValue() {
try {
return FieldUtils.readField(field, container, forceAccess);
} catch (IllegalAccessException e) {
throw new RuntimeException("Unable to read field " + field.getName(), e);
}
}
/**
* Write the given value to the underlying field.
* @param newValue - the new value.
*/
private void writeFieldValue(Object newValue) {
try {
FieldUtils.writeField(field, container, newValue, forceAccess);
} catch (IllegalAccessException e) {
throw new RuntimeException("Unable to write field " + field.getName(), e);
}
}