OpDescriptorHolder (nd4j-api 1.0.0-M2.1 API)

java.lang.Object
- org.nd4j.ir.OpDescriptorHolder

```
public class OpDescriptorHolder
extends Object
```
A utility class for accessing the nd4j op descriptors. May override default definition of nd4jFileNameTextDefault with the system property nd4jFileSpecifierProperty

Author:

Adam Gibson

Field Summary

Fields
Modifier and Type Field Description

static OpNamespace.OpDescriptorList INSTANCE

static String nd4jFileNameTextDefault

static String nd4jFileSpecifierProperty

Constructor Summary

Constructors
Constructor Description

OpDescriptorHolder()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static OpNamespace.OpDescriptor`	`descriptorForOpName(String name)`	Return the `OpNamespace.OpDescriptor` for a given op name
`static OpNamespace.OpDescriptorList`	`nd4jOpList()`	Get the nd4j op list `OpNamespace.OpDescriptorList` for serialization.
`static OpNamespace.OpDescriptorList`	`opList()`	Returns an singleton of the `nd4jOpList()` result, useful for preventing repeated I/O.

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

- Field Detail
  - nd4jFileNameTextDefault
```
public static String nd4jFileNameTextDefault
```
  - nd4jFileSpecifierProperty
```
public static String nd4jFileSpecifierProperty
```
  - INSTANCE
```
public static OpNamespace.OpDescriptorList INSTANCE
```
- Constructor Detail
  - OpDescriptorHolder
```
public OpDescriptorHolder()
```
- Method Detail
  - descriptorForOpName
```
public static OpNamespace.OpDescriptor descriptorForOpName(String name)
```
    Return the OpNamespace.OpDescriptor for a given op name
    
    Parameters:
    
    name - the name of the op to get the descriptor for
    
    Returns:
    
    the desired op descriptor or null if it does not exist
  - opList
```
public static OpNamespace.OpDescriptorList opList()
```
    Returns an singleton of the nd4jOpList() result, useful for preventing repeated I/O.
    
    Returns:
  - nd4jOpList
```
public static OpNamespace.OpDescriptorList nd4jOpList()
                                               throws IOException
```
    Get the nd4j op list OpNamespace.OpDescriptorList for serialization. Useful for saving and loading DynamicCustomOp
    
    Returns:
    
    the static list of descriptors from the nd4j classpath.
    
    Throws:
    
    IOException