com.asakusafw.dmdl.directio.hive.orc

Class OrcFileDriver

java.lang.Object

com.asakusafw.dmdl.spi.ModelAttributeDriver

com.asakusafw.dmdl.directio.hive.orc.OrcFileDriver

All Implemented Interfaces:

AttributeDriver

public class OrcFileDriver
extends ModelAttributeDriver

Processes @directio.hive.orc attributes.

'@directio.hive.orc' attribute

The attributed declaration can have:

• with table_name=[string-literal] as explicit table name (default: data model name)
• with format_version=[string-literal] as ORCFile format version (default: system default)
• with compression=[string-literal] as compression kind name (default: "snappy")
• with stripe_size=integer as stripe size (default: system default)
• with field_mappping=[string-literal] (default: "position")
• with missing_source=[string-literal] (default: "logging")
• with missing_target=[string-literal] (default: "logging")
• with incompatible_type=[string-literal] (default: "fail")

Since:

0.7.0

Version:

0.10.3

Nested Class Summary

Nested classes/interfaces inherited from interface com.asakusafw.dmdl.spi.AttributeDriver

AttributeDriver.Context

Field Summary

Fields

Modifier and Type	Field and Description
static String	ELEMENT_COMPRESSION_KIND The element name of compression kind name.
static String	ELEMENT_FIELD_MAPPING The element name of field mapping strategy.
static String	ELEMENT_FORMAT_VERSION The element name of ORCFile format version.
static String	ELEMENT_INCOMPATIBLE_TYPE The element name of missing incompatible type handling strategy.
static String	ELEMENT_MISSING_SOURCE The element name of missing source handling strategy.
static String	ELEMENT_MISSING_TARGET The element name of missing target handling strategy.
static String	ELEMENT_STRIPE_SIZE The element name of stripe size.
static String	ELEMENT_TABLE_NAME The element name of explicit table name.
static String	TARGET_NAME The attribute name.

Constructor Summary

Constructors

Constructor and Description
OrcFileDriver()

Method Summary

Modifier and Type	Method and Description
String	getTargetName() Returns the qualified name of the target attribute.
void	process(DmdlSemantics environment, ModelDeclaration declaration, AstAttribute attribute) Processes and modifies the attributed data model declaration.
void	verify(DmdlSemantics environment, ModelDeclaration declaration, AstAttribute attribute) Verifies the attributed declaration.

Methods inherited from class com.asakusafw.dmdl.spi.ModelAttributeDriver

process, verify

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

TARGET_NAME

public static final String TARGET_NAME

The attribute name.

See Also:

Constant Field Values

ELEMENT_TABLE_NAME

public static final String ELEMENT_TABLE_NAME

The element name of explicit table name.

See Also:

Constant Field Values

ELEMENT_FORMAT_VERSION

public static final String ELEMENT_FORMAT_VERSION

The element name of ORCFile format version.

See Also:

Constant Field Values

ELEMENT_COMPRESSION_KIND

public static final String ELEMENT_COMPRESSION_KIND

The element name of compression kind name.

See Also:

Constant Field Values

ELEMENT_STRIPE_SIZE

public static final String ELEMENT_STRIPE_SIZE

The element name of stripe size.

See Also:

Constant Field Values

ELEMENT_FIELD_MAPPING

public static final String ELEMENT_FIELD_MAPPING

The element name of field mapping strategy.

See Also:

Constant Field Values

ELEMENT_MISSING_SOURCE

public static final String ELEMENT_MISSING_SOURCE

The element name of missing source handling strategy.

See Also:

Constant Field Values

ELEMENT_MISSING_TARGET

public static final String ELEMENT_MISSING_TARGET

The element name of missing target handling strategy.

See Also:

Constant Field Values

ELEMENT_INCOMPATIBLE_TYPE

public static final String ELEMENT_INCOMPATIBLE_TYPE

The element name of missing incompatible type handling strategy.

See Also:

Constant Field Values

Constructor Detail

OrcFileDriver

public OrcFileDriver()

Method Detail

getTargetName

public String getTargetName()

Description copied from interface: AttributeDriver

Returns the qualified name of the target attribute.

Returns:

the target attribute name

process

public void process(DmdlSemantics environment,
                    ModelDeclaration declaration,
                    AstAttribute attribute)

Description copied from class: ModelAttributeDriver

Processes and modifies the attributed data model declaration.

Specified by:

process in class ModelAttributeDriver

Parameters:

environment - the processing environment

declaration - the model declaration with the attribute

attribute - the attribute with the target name

See Also:

AttributeDriver.getTargetName()

verify

public void verify(DmdlSemantics environment,
                   ModelDeclaration declaration,
                   AstAttribute attribute)

Description copied from class: ModelAttributeDriver

Verifies the attributed declaration. This will be invoked after all attributes are processed.

Overrides:

verify in class ModelAttributeDriver

Parameters:

environment - the processing environment

declaration - the model declaration with the attribute

attribute - the attribute with the target name

See Also:

AttributeDriver.getTargetName()