com.amazonaws.services.dynamodbv2.document.internal

Class Filter<T extends Filter<T>>

java.lang.Object

com.amazonaws.services.dynamodbv2.document.internal.Filter<T>

Direct Known Subclasses:

QueryFilter, ScanFilter

public abstract class Filter<T extends Filter<T>>
extends Object

Abstract base class for both query filters and scan filters.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Filter(String attrName) Create a filter for the specified top-level attribute.

Method Summary

Modifier and Type	Method and Description
protected T	_withValues(Object... values)
T	beginsWith(String val) Creates and returns a condition of the range key with a value that begins with the given value.
T	between(Object low, Object hi) Creates and returns a condition of the range key that has a value between the given values.
T	contains(Object val)
T	eq(Object val) Creates and returns a condition of the range key being equal to the given value.
T	exists() Expects the attribute be an existing attribute.
T	ge(Object val) Creates and returns a condition of the range key being greater than or equal to the given value.
String	getAttribute() Returns the attribute name.
ComparisonOperator	getComparisonOperator()
Object[]	getValues()
T	gt(Object val) Creates and returns a condition of the range key being greater than the given value.
T	in(Object... values)
T	le(Object val) Creates and returns a condition of the range key being less than or equal to the given value.
T	lt(Object val) Creates and returns a condition of the range key being less than the given value.
T	ne(Object val)
T	notContains(Object val)
T	notExist() Expects the attribute be non-existing.

Methods inherited from class java.lang.Object

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

Constructor Detail

Filter

protected Filter(String attrName)

Create a filter for the specified top-level attribute.

Parameters:

attrName - attribute name

Method Detail

getAttribute

public String getAttribute()

Returns the attribute name.

getComparisonOperator

public ComparisonOperator getComparisonOperator()

getValues

public Object[] getValues()

_withValues

protected T _withValues(Object... values)

eq

public T eq(Object val)

Creates and returns a condition of the range key being equal to the given value.

ne

public T ne(Object val)

exists

public T exists()

Expects the attribute be an existing attribute.

notExist

public T notExist()

Expects the attribute be non-existing.

contains

public T contains(Object val)

notContains

public T notContains(Object val)

beginsWith

public T beginsWith(String val)

Creates and returns a condition of the range key with a value that begins with the given value.

in

public T in(Object... values)

between

public T between(Object low,
                 Object hi)

Creates and returns a condition of the range key that has a value between the given values.

ge

public T ge(Object val)

Creates and returns a condition of the range key being greater than or equal to the given value.

gt

public T gt(Object val)

Creates and returns a condition of the range key being greater than the given value.

le

public T le(Object val)

Creates and returns a condition of the range key being less than or equal to the given value.

lt

public T lt(Object val)

Creates and returns a condition of the range key being less than the given value.