com.amazonaws.services.dynamodbv2.datamodeling
Class DynamoDBDeleteExpression

java.lang.Object
  com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBDeleteExpression

public class DynamoDBDeleteExpression
extends Object

Enables adding options to a delete operation. For example, you may want to delete only if an attribute has a particular value.

See Also:

DynamoDBMapper.delete(Object, DynamoDBDeleteExpression)

Constructor Summary

DynamoDBDeleteExpression()

Method Summary

String	getConditionalOperator() Returns the logical operator on the expected attribute conditions of this delete operation.
Map<String,ExpectedAttributeValue>	getExpected() Gets the map of attribute names to expected attribute values to check on delete.
void	setConditionalOperator(ConditionalOperator conditionalOperator) Sets the logical operator on the expected attribute conditions of this delete operation.
void	setConditionalOperator(String conditionalOperator) Sets the logical operator on the expected attribute conditions of this delete operation.
void	setExpected(Map<String,ExpectedAttributeValue> expectedAttributes) Sets the expected condition to the map of attribute names to expected attribute values given.
DynamoDBDeleteExpression	withConditionalOperator(ConditionalOperator conditionalOperator) Sets the logical operator on the expected attribute conditions of this delete operation and returns a pointer to this object for method-chaining.
DynamoDBDeleteExpression	withConditionalOperator(String conditionalOperator) Sets the logical operator on the expected attribute conditions of this delete operation and returns a pointer to this object for method-chaining.
DynamoDBDeleteExpression	withExpected(Map<String,ExpectedAttributeValue> expectedAttributes) Sets the expected condition to the map of attribute names to expected attribute values given and returns a pointer to this object for method-chaining.
DynamoDBDeleteExpression	withExpectedEntry(String attributeName, ExpectedAttributeValue expected) Adds one entry to the expected conditions and returns a pointer to this object for method-chaining.

Methods inherited from class java.lang.Object

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

Constructor Detail

DynamoDBDeleteExpression

public DynamoDBDeleteExpression()

Method Detail

getExpected

public Map<String,ExpectedAttributeValue> getExpected()

Gets the map of attribute names to expected attribute values to check on delete.

Returns:

The map of attribute names to expected attribute value conditions to check on delete

setExpected

public void setExpected(Map<String,ExpectedAttributeValue> expectedAttributes)

Sets the expected condition to the map of attribute names to expected attribute values given.

Parameters:

expectedAttributes - The map of attribute names to expected attribute value conditions to check on delete

withExpected

public DynamoDBDeleteExpression withExpected(Map<String,ExpectedAttributeValue> expectedAttributes)

Sets the expected condition to the map of attribute names to expected attribute values given and returns a pointer to this object for method-chaining.

Parameters:

expectedAttributes - The map of attribute names to expected attribute value conditions to check on delete

withExpectedEntry

public DynamoDBDeleteExpression withExpectedEntry(String attributeName,
                                                  ExpectedAttributeValue expected)

Adds one entry to the expected conditions and returns a pointer to this object for method-chaining.

Parameters:

attributeName - The name of the attribute.

expected - The expected attribute value.

getConditionalOperator

public String getConditionalOperator()

Returns the logical operator on the expected attribute conditions of this delete operation.

setConditionalOperator

public void setConditionalOperator(String conditionalOperator)

Sets the logical operator on the expected attribute conditions of this delete operation.

withConditionalOperator

public DynamoDBDeleteExpression withConditionalOperator(String conditionalOperator)

Sets the logical operator on the expected attribute conditions of this delete operation and returns a pointer to this object for method-chaining.

setConditionalOperator

public void setConditionalOperator(ConditionalOperator conditionalOperator)

Sets the logical operator on the expected attribute conditions of this delete operation.

withConditionalOperator

public DynamoDBDeleteExpression withConditionalOperator(ConditionalOperator conditionalOperator)

Sets the logical operator on the expected attribute conditions of this delete operation and returns a pointer to this object for method-chaining.