InitContext (Apache Parquet Hadoop 1.12.3 API)

java.lang.Object
- org.apache.parquet.hadoop.api.InitContext

```
public class InitContext
extends Object
```
Context passed to ReadSupport when initializing for read

Constructor Summary

Constructors
Constructor	Description
`InitContext(org.apache.hadoop.conf.Configuration configuration, Map<String,Set<String>> keyValueMetadata, org.apache.parquet.schema.MessageType fileSchema)`

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`org.apache.hadoop.conf.Configuration`	`getConfiguration()`
`org.apache.parquet.schema.MessageType`	`getFileSchema()`	this is the union of all the schemas when reading multiple files.
`Map<String,Set<String>>`	`getKeyValueMetadata()`	each key is associated with the list of distinct values found in footers
`Map<String,String>`	`getMergedKeyValueMetaData()`	Deprecated.

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

- Constructor Detail
  - InitContext
```
public InitContext(org.apache.hadoop.conf.Configuration configuration,
                   Map<String,Set<String>> keyValueMetadata,
                   org.apache.parquet.schema.MessageType fileSchema)
```
    Parameters:
    
    configuration - the hadoop configuration
    
    keyValueMetadata - extra metadata from file footers
    
    fileSchema - the merged schema from the files
- Method Detail
  - getMergedKeyValueMetaData
```
@Deprecated
public Map<String,String> getMergedKeyValueMetaData()
```
    Deprecated.
    
    If there is a conflicting value when reading from multiple files, an exception will be thrown
    
    Returns:
    
    the merged key values metadata form the file footers
  - getConfiguration
```
public org.apache.hadoop.conf.Configuration getConfiguration()
```
    Returns:
    
    the configuration for this job
  - getFileSchema
```
public org.apache.parquet.schema.MessageType getFileSchema()
```
    this is the union of all the schemas when reading multiple files.
    
    Returns:
    
    the schema of the files being read
  - getKeyValueMetadata
```
public Map<String,Set<String>> getKeyValueMetadata()
```
    each key is associated with the list of distinct values found in footers
    
    Returns:
    
    the merged metadata from the footer of the file