com.amazonaws.services.dynamodbv2.document.internal

Class ScanImpl

java.lang.Object

com.amazonaws.services.dynamodbv2.document.internal.ScanImpl

All Implemented Interfaces:

ScanApi

Direct Known Subclasses:

IndexScanImpl

public class ScanImpl
extends Object
implements ScanApi

The implementation for ScanApi.

Constructor Summary

Constructors

Constructor and Description
ScanImpl(AmazonDynamoDB client, Table table)

Method Summary

Modifier and Type	Method and Description
protected ItemCollection<ScanOutcome>	doScan(ScanSpec spec)
Table	getTable() Returns the owning table.
ItemCollection<ScanOutcome>	scan(ScanFilter... scanFilters) Retrieves items by the specified list of scan filters.
ItemCollection<ScanOutcome>	scan(ScanSpec spec) Scans table by specifying all the details.
ItemCollection<ScanOutcome>	scan(String filterExpression, Map<String,String> nameMap, Map<String,Object> valueMap) Scans table using a Filter Expression.
ItemCollection<ScanOutcome>	scan(String filterExpression, String projectionExpression, Map<String,String> nameMap, Map<String,Object> valueMap) Scans table using a Filter Expression and a Projection Expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

ScanImpl

public ScanImpl(AmazonDynamoDB client,
                Table table)

Method Detail

scan

public ItemCollection<ScanOutcome> scan(ScanFilter... scanFilters)

Description copied from interface: ScanApi

Retrieves items by the specified list of scan filters.

Specified by:

scan in interface ScanApi

scan

public ItemCollection<ScanOutcome> scan(String filterExpression,
                                        Map<String,String> nameMap,
                                        Map<String,Object> valueMap)

Description copied from interface: ScanApi

Scans table using a Filter Expression.

Specified by:

scan in interface ScanApi

Parameters:

filterExpression - condition expression example: "(#a > :a) AND (#c > :c OR #e < :e)"

nameMap - actual values for the attribute-name place holders; can be null if there is no attribute-name placeholder.

valueMap - actual values for the value place holders can be null if there is no attribute-value placeholder.

scan

public ItemCollection<ScanOutcome> scan(String filterExpression,
                                        String projectionExpression,
                                        Map<String,String> nameMap,
                                        Map<String,Object> valueMap)

Description copied from interface: ScanApi

Scans table using a Filter Expression and a Projection Expression.

Specified by:

scan in interface ScanApi

Parameters:

filterExpression - condition expression example: "(#a > :a) AND (#c > :c OR #e < :e)"

projectionExpression - projection expression example: "a.b , c[0].e"

nameMap - actual values for the attribute-name place holders; can be null if there is no attribute-name placeholder.

valueMap - actual values for the value place holders can be null if there is no attribute-value placeholder.

scan

public ItemCollection<ScanOutcome> scan(ScanSpec spec)

Description copied from interface: ScanApi

Scans table by specifying all the details.

Specified by:

scan in interface ScanApi

doScan

protected ItemCollection<ScanOutcome> doScan(ScanSpec spec)

getTable

public final Table getTable()

Returns the owning table.