Writer (Groovy Documentation)

geoscript.layer.Writer

The Writer allows for adding batches of Features to a Layer within a Transaction.

 Writer writer = new Writer(layer, batch: 1000, transaction: 'default')
 try {
      Feature f = writer.newFeature
      writer.add(f)
 } finally {
      writer.close()
 }

Authors:: Jared Erickson

Constructor Summary

Constructors
Constructor and description
`Writer (Map options, Layer layer)` Create a new Writer for a Layer.
`Writer ()`

Methods Summary

Methods
Type Params	Return Type	Name and description
	`void`	`add(Feature feature)` Add a Feature Parameters: `feature` - The Feature to add
	`void`	`close()` Closes the writing session.
	`Feature`	`getNewFeature()` Get a new Feature with default values Returns: A new Feature
	`static void`	`write(Map options, Layer layer, Closure c)` Write batches of Features to the Layer Parameters: `options` - The named parameters batch: The number of features to write at one time (defaults to 1000) transaction: The type of transaction: null, auto or autocommit, or default.

Inherited Methods Summary

Inherited Methods
Methods inherited from class	Name
`class java.lang.Object`	`java.lang.Object#wait(long, int), java.lang.Object#wait(long), java.lang.Object#wait(), java.lang.Object#equals(java.lang.Object), java.lang.Object#toString(), java.lang.Object#hashCode(), java.lang.Object#getClass(), java.lang.Object#notify(), java.lang.Object#notifyAll()`

- Constructor Detail
  - Writer(Map options, Layer layer)
    
    Create a new Writer for a Layer.
    Parameters:
    options - The named parameters
    
    batch: The number of features to write at one time (defaults to 1000)
    
    transaction: The type of transaction: null, auto or autocommit, or default. The default value depends on the type of Layer.
    layer - The Layer to write to
  - Writer()
- Method Detail
  - void add(Feature feature)
    
    Add a Feature
    Parameters:
    feature - The Feature to add
  - void close()
    
    Closes the writing session. If there are unwritten Features in the cache, they are written before the Transaction is finally closed.
  - Feature getNewFeature()
    
    Get a new Feature with default values
    Returns:
    A new Feature
  - static void write(Map options, Layer layer, Closure c)
    
    Write batches of Features to the Layer
    Parameters:
    options - The named parameters
    
    batch: The number of features to write at one time (defaults to 1000)
    
    transaction: The type of transaction: null, auto or autocommit, or default. The default value depends on the type of Layer.
    layer - The Layer to write to
    c - The Cursor which takes the Writer

Summary:
Constructor
Method

| Detail:
Constructor
Method

Groovy Documentation

[Groovy] Class Writer

Constructor Summary

Methods Summary

Inherited Methods Summary

Constructor Detail

Writer(Map options, Layer layer)

Writer()

Method Detail

void add(Feature feature)

void close()

Feature getNewFeature()

static void write(Map options, Layer layer, Closure c)