Package org.apache.accumulo.core.client.summary

Class SummarizerConfiguration.Builder

java.lang.Object

org.apache.accumulo.core.client.summary.SummarizerConfiguration.Builder

Enclosing class:

SummarizerConfiguration

public static class SummarizerConfiguration.Builder
extends Object

Since:

2.0.0

Method Summary

Modifier and Type	Method	Description
SummarizerConfiguration.Builder	addOption(String key, long value)	Adds an option that Summarizers can use when constructing Collectors and Combiners.
SummarizerConfiguration.Builder	addOption(String key, String value)	Adds an option that Summarizers can use when constructing Collectors and Combiners.
SummarizerConfiguration.Builder	addOptions(String... keyValuePairs)	Convenience method for adding multiple options.
SummarizerConfiguration.Builder	addOptions(Map<String,String> options)
SummarizerConfiguration	build()
SummarizerConfiguration.Builder	setPropertyId(String propId)	Sets the id used when generating table properties.

Methods inherited from class java.lang.Object

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

Method Details

setPropertyId

public SummarizerConfiguration.Builder setPropertyId(String propId)

Sets the id used when generating table properties. Setting this is optional. If not set, an id is generated using hashing that will likely be unique.

Parameters:

propId - This id is used when converting a SummarizerConfiguration to table properties. Since tables can have multiple summarizers, make sure its unique.

See Also:

• SummarizerConfiguration.toTableProperties()

addOption

public SummarizerConfiguration.Builder addOption(String key,
 String value)

Adds an option that Summarizers can use when constructing Collectors and Combiners.

Returns:

this

See Also:

• SummarizerConfiguration.getOptions()

addOption

public SummarizerConfiguration.Builder addOption(String key,
 long value)

Adds an option that Summarizers can use when constructing Collectors and Combiners.

Returns:

this

See Also:

• SummarizerConfiguration.getOptions()

addOptions

public SummarizerConfiguration.Builder addOptions(String... keyValuePairs)

Convenience method for adding multiple options. The following

 
 builder.addOptions("opt1", "val1", "opt2", "val2", "opt3", "val3")
 
 

is equivalent to

 
 builder.addOption("opt1", "val1");
 builder.addOption("opt2", "val2");
 builder.addOption("opt3", "val3");
 
 

Parameters:

keyValuePairs - This array must have an even and positive number of elements.

Returns:

this

See Also:

• SummarizerConfiguration.getOptions()

addOptions

public SummarizerConfiguration.Builder addOptions(Map<String,String> options)

Parameters:

options - Each entry in the map is passed to addOption(String, String)

Returns:

this

See Also:

• SummarizerConfiguration.getOptions()

build

public SummarizerConfiguration build()