HeapDump (adams-pom 24.4.0-SNAPSHOT API)

java.lang.Object
- adams.core.management.HeapDump

```
public class HeapDump
extends Object
```
Helper class for generating heap dumps. Based on idea from here: https://blogs.oracle.com/sundararajan/programmatically-dumping-heap-from-java-applications

Author:

FracPete (fracpete at waikato dot ac dot nz)

Field Summary

Fields
Modifier and Type	Field	Description
`protected static com.sun.management.HotSpotDiagnosticMXBean`	`DIAGNOSTIC_INSTANCE`	the singleton instance.
`static String`	`DIAGNOSTIC_NAME`	the hotspot bean for generating the dump.
`protected static boolean`	`INSTANTIATED`	whether the bean has been instantiated.

Constructor Summary

Constructors
Constructor Description

HeapDump()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static String`	`generate(File output, boolean live)`	Generates a heap dump.
`protected static String`	`initDiagnosticBean()`	Initializes the diagnostic bean if necessary.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - DIAGNOSTIC_NAME
```
public static final String DIAGNOSTIC_NAME
```
    the hotspot bean for generating the dump.
    
    See Also:
    
    Constant Field Values
  - DIAGNOSTIC_INSTANCE
```
protected static com.sun.management.HotSpotDiagnosticMXBean DIAGNOSTIC_INSTANCE
```
    the singleton instance.
  - INSTANTIATED
```
protected static boolean INSTANTIATED
```
    whether the bean has been instantiated.
- Constructor Detail
  - HeapDump
```
public HeapDump()
```
- Method Detail
  - initDiagnosticBean
```
protected static String initDiagnosticBean()
```
    Initializes the diagnostic bean if necessary.
    
    Returns:
    
    null if successful, otherwise error message
  - generate
```
public static String generate(File output,
                              boolean live)
```
    Generates a heap dump.
    
    Parameters:
    
    output - the file to save it to (.hprof extension)
    
    live - whether to use only live or all objects
    
    Returns:
    
    null if successful, otherwise error message