com.amazonaws.services.simpledb.model
Class UpdateCondition

java.lang.Object
  com.amazonaws.services.simpledb.model.UpdateCondition

public class UpdateCondition
extends Object

Specifies the conditions under which data should be updated. If an update condition is specified for a request, the data will only be updated if the condition is satisfied. For example, if an attribute with a specific name and value exists, or if a specific attribute doesn't exist.

Constructor Summary

UpdateCondition()
Default constructor for a new UpdateCondition object.

UpdateCondition(String name, String value, Boolean exists)
Constructs a new UpdateCondition object.

Method Summary

boolean	equals(Object obj)
Boolean	getExists() A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied.
String	getName() The name of the attribute involved in the condition.
String	getValue() The value of an attribute.
int	hashCode()
Boolean	isExists() A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied.
void	setExists(Boolean exists) A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied.
void	setName(String name) The name of the attribute involved in the condition.
void	setValue(String value) The value of an attribute.
String	toString() Returns a string representation of this object; useful for testing and debugging.
UpdateCondition	withExists(Boolean exists) A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied.
UpdateCondition	withName(String name) The name of the attribute involved in the condition.
UpdateCondition	withValue(String value) The value of an attribute.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

UpdateCondition

public UpdateCondition()

Default constructor for a new UpdateCondition object. Callers should use the setter or fluent setter (with...) methods to initialize this object after creating it.

UpdateCondition

public UpdateCondition(String name,
                       String value,
                       Boolean exists)

Constructs a new UpdateCondition object. Callers should use the setter or fluent setter (with...) methods to initialize any additional object members.

Parameters:

name - The name of the attribute involved in the condition.

value - The value of an attribute. This value can only be specified when the Exists parameter is equal to true.

exists - A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

Method Detail

getName

public String getName()

The name of the attribute involved in the condition.

Returns:

The name of the attribute involved in the condition.

setName

public void setName(String name)

The name of the attribute involved in the condition.

Parameters:

name - The name of the attribute involved in the condition.

withName

public UpdateCondition withName(String name)

The name of the attribute involved in the condition.

Returns a reference to this object so that method calls can be chained together.

Parameters:

name - The name of the attribute involved in the condition.

Returns:

A reference to this updated object so that method calls can be chained together.

getValue

public String getValue()

The value of an attribute. This value can only be specified when the Exists parameter is equal to true.

Returns:

The value of an attribute. This value can only be specified when the Exists parameter is equal to true.

setValue

public void setValue(String value)

The value of an attribute. This value can only be specified when the Exists parameter is equal to true.

Parameters:

value - The value of an attribute. This value can only be specified when the Exists parameter is equal to true.

withValue

public UpdateCondition withValue(String value)

The value of an attribute. This value can only be specified when the Exists parameter is equal to true.

Returns a reference to this object so that method calls can be chained together.

Parameters:

value - The value of an attribute. This value can only be specified when the Exists parameter is equal to true.

Returns:

A reference to this updated object so that method calls can be chained together.

isExists

public Boolean isExists()

A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

Returns:

A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

setExists

public void setExists(Boolean exists)

A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

Parameters:

exists - A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

withExists

public UpdateCondition withExists(Boolean exists)

A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

Returns a reference to this object so that method calls can be chained together.

Parameters:

exists - A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

Returns:

A reference to this updated object so that method calls can be chained together.

getExists

public Boolean getExists()

A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

Returns:

A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

toString

public String toString()

Returns a string representation of this object; useful for testing and debugging.

Overrides:

toString in class Object

Returns:

A string representation of this object.

See Also:

Object.toString()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object