Update (AWS SDK for Java

java.lang.Object
- com.amazonaws.services.dynamodbv2.model.Update

All Implemented Interfaces:

StructuredPojo, Serializable, Cloneable
```
@Generated(value="com.amazonaws:aws-java-sdk-code-generator")
public class Update
extends Object
implements Serializable, Cloneable, StructuredPojo
```
Represents a request to perform an UpdateItem operation.

See Also:

AWS API Documentation, Serialized Form

Constructor Summary

Constructors
Constructor and Description

Update()

Constructors
Constructor and Description
`Update()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Update`	`addExpressionAttributeNamesEntry(String key, String value)` Add a single ExpressionAttributeNames entry
`Update`	`addExpressionAttributeValuesEntry(String key, AttributeValue value)` Add a single ExpressionAttributeValues entry
`Update`	`addKeyEntry(String key, AttributeValue value)` Add a single Key entry
`Update`	`clearExpressionAttributeNamesEntries()` Removes all the entries added into ExpressionAttributeNames.
`Update`	`clearExpressionAttributeValuesEntries()` Removes all the entries added into ExpressionAttributeValues.
`Update`	`clearKeyEntries()` Removes all the entries added into Key.
`Update`	`clone()`
`boolean`	`equals(Object obj)`
`String`	`getConditionExpression()` A condition that must be satisfied in order for a conditional update to succeed.
`Map<String,String>`	`getExpressionAttributeNames()` One or more substitution tokens for attribute names in an expression.
`Map<String,AttributeValue>`	`getExpressionAttributeValues()` One or more values that can be substituted in an expression.
`Map<String,AttributeValue>`	`getKey()` The primary key of the item to be updated.
`String`	`getReturnValuesOnConditionCheckFailure()` Use `ReturnValuesOnConditionCheckFailure` to get the item attributes if the `Update` condition fails.
`String`	`getTableName()` Name of the table for the `UpdateItem` request.
`String`	`getUpdateExpression()` An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them.
`int`	`hashCode()`
`void`	`marshall(ProtocolMarshaller protocolMarshaller)` Marshalls this structured data using the given `ProtocolMarshaller`.
`void`	`setConditionExpression(String conditionExpression)` A condition that must be satisfied in order for a conditional update to succeed.
`void`	`setExpressionAttributeNames(Map<String,String> expressionAttributeNames)` One or more substitution tokens for attribute names in an expression.
`void`	`setExpressionAttributeValues(Map<String,AttributeValue> expressionAttributeValues)` One or more values that can be substituted in an expression.
`void`	`setKey(Map<String,AttributeValue> key)` The primary key of the item to be updated.
`void`	`setReturnValuesOnConditionCheckFailure(String returnValuesOnConditionCheckFailure)` Use `ReturnValuesOnConditionCheckFailure` to get the item attributes if the `Update` condition fails.
`void`	`setTableName(String tableName)` Name of the table for the `UpdateItem` request.
`void`	`setUpdateExpression(String updateExpression)` An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them.
`String`	`toString()` Returns a string representation of this object.
`Update`	`withConditionExpression(String conditionExpression)` A condition that must be satisfied in order for a conditional update to succeed.
`Update`	`withExpressionAttributeNames(Map<String,String> expressionAttributeNames)` One or more substitution tokens for attribute names in an expression.
`Update`	`withExpressionAttributeValues(Map<String,AttributeValue> expressionAttributeValues)` One or more values that can be substituted in an expression.
`Update`	`withKey(Map<String,AttributeValue> key)` The primary key of the item to be updated.
`Update`	`withReturnValuesOnConditionCheckFailure(ReturnValuesOnConditionCheckFailure returnValuesOnConditionCheckFailure)` Use `ReturnValuesOnConditionCheckFailure` to get the item attributes if the `Update` condition fails.
`Update`	`withReturnValuesOnConditionCheckFailure(String returnValuesOnConditionCheckFailure)` Use `ReturnValuesOnConditionCheckFailure` to get the item attributes if the `Update` condition fails.
`Update`	`withTableName(String tableName)` Name of the table for the `UpdateItem` request.
`Update`	`withUpdateExpression(String updateExpression)` An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them.

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - Update
```
public Update()
```
- Method Detail
  - getKey
```
public Map<String,AttributeValue> getKey()
```
    The primary key of the item to be updated. Each element consists of an attribute name and a value for that attribute.
    
    Returns:
    
    The primary key of the item to be updated. Each element consists of an attribute name and a value for that attribute.
  - setKey
```
public void setKey(Map<String,AttributeValue> key)
```
    The primary key of the item to be updated. Each element consists of an attribute name and a value for that attribute.
    
    Parameters:
    
    key - The primary key of the item to be updated. Each element consists of an attribute name and a value for that attribute.
  - withKey
```
public Update withKey(Map<String,AttributeValue> key)
```
    The primary key of the item to be updated. Each element consists of an attribute name and a value for that attribute.
    
    Parameters:
    
    key - The primary key of the item to be updated. Each element consists of an attribute name and a value for that attribute.
    
    Returns:
    
    Returns a reference to this object so that method calls can be chained together.
  - addKeyEntry
```
public Update addKeyEntry(String key,
                          AttributeValue value)
```
    Add a single Key entry
    
    See Also:
    
    withKey(java.util.Map<java.lang.String, com.amazonaws.services.dynamodbv2.model.AttributeValue>)
  - clearKeyEntries
```
public Update clearKeyEntries()
```
    Removes all the entries added into Key.
    
    Returns:
    
    Returns a reference to this object so that method calls can be chained together.
  - setUpdateExpression
```
public void setUpdateExpression(String updateExpression)
```
    An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them.
    
    Parameters:
    
    updateExpression - An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them.
  - getUpdateExpression
```
public String getUpdateExpression()
```
    An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them.
    
    Returns:
    
    An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them.
  - withUpdateExpression
```
public Update withUpdateExpression(String updateExpression)
```
    An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them.
    
    Parameters:
    
    updateExpression - An expression that defines one or more attributes to be updated, the action to be performed on them, and new value(s) for them.
    
    Returns:
    
    Returns a reference to this object so that method calls can be chained together.
  - setTableName
```
public void setTableName(String tableName)
```
    Name of the table for the UpdateItem request.
    
    Parameters:
    
    tableName - Name of the table for the UpdateItem request.
  - getTableName
```
public String getTableName()
```
    Name of the table for the UpdateItem request.
    
    Returns:
    
    Name of the table for the UpdateItem request.
  - withTableName
```
public Update withTableName(String tableName)
```
    Name of the table for the UpdateItem request.
    
    Parameters:
    
    tableName - Name of the table for the UpdateItem request.
    
    Returns:
    
    Returns a reference to this object so that method calls can be chained together.
  - setConditionExpression
```
public void setConditionExpression(String conditionExpression)
```
    A condition that must be satisfied in order for a conditional update to succeed.
    
    Parameters:
    
    conditionExpression - A condition that must be satisfied in order for a conditional update to succeed.
  - getConditionExpression
```
public String getConditionExpression()
```
    A condition that must be satisfied in order for a conditional update to succeed.
    
    Returns:
    
    A condition that must be satisfied in order for a conditional update to succeed.
  - withConditionExpression
```
public Update withConditionExpression(String conditionExpression)
```
    A condition that must be satisfied in order for a conditional update to succeed.
    
    Parameters:
    
    conditionExpression - A condition that must be satisfied in order for a conditional update to succeed.
    
    Returns:
    
    Returns a reference to this object so that method calls can be chained together.
  - getExpressionAttributeNames
```
public Map<String,String> getExpressionAttributeNames()
```
    One or more substitution tokens for attribute names in an expression.
    
    Returns:
    
    One or more substitution tokens for attribute names in an expression.
  - setExpressionAttributeNames
```
public void setExpressionAttributeNames(Map<String,String> expressionAttributeNames)
```
    One or more substitution tokens for attribute names in an expression.
    
    Parameters:
    
    expressionAttributeNames - One or more substitution tokens for attribute names in an expression.
  - withExpressionAttributeNames
```
public Update withExpressionAttributeNames(Map<String,String> expressionAttributeNames)
```
    One or more substitution tokens for attribute names in an expression.
    
    Parameters:
    
    expressionAttributeNames - One or more substitution tokens for attribute names in an expression.
    
    Returns:
    
    Returns a reference to this object so that method calls can be chained together.
  - addExpressionAttributeNamesEntry
```
public Update addExpressionAttributeNamesEntry(String key,
                                               String value)
```
    Add a single ExpressionAttributeNames entry
    
    See Also:
    
    withExpressionAttributeNames(java.util.Map<java.lang.String, java.lang.String>)
  - clearExpressionAttributeNamesEntries
```
public Update clearExpressionAttributeNamesEntries()
```
    Removes all the entries added into ExpressionAttributeNames.
    
    Returns:
    
    Returns a reference to this object so that method calls can be chained together.
  - getExpressionAttributeValues
```
public Map<String,AttributeValue> getExpressionAttributeValues()
```
    One or more values that can be substituted in an expression.
    
    Returns:
    
    One or more values that can be substituted in an expression.
  - setExpressionAttributeValues
```
public void setExpressionAttributeValues(Map<String,AttributeValue> expressionAttributeValues)
```
    One or more values that can be substituted in an expression.
    
    Parameters:
    
    expressionAttributeValues - One or more values that can be substituted in an expression.
  - withExpressionAttributeValues
```
public Update withExpressionAttributeValues(Map<String,AttributeValue> expressionAttributeValues)
```
    One or more values that can be substituted in an expression.
    
    Parameters:
    
    expressionAttributeValues - One or more values that can be substituted in an expression.
    
    Returns:
    
    Returns a reference to this object so that method calls can be chained together.
  - addExpressionAttributeValuesEntry
```
public Update addExpressionAttributeValuesEntry(String key,
                                                AttributeValue value)
```
    Add a single ExpressionAttributeValues entry
    
    See Also:
    
    withExpressionAttributeValues(java.util.Map<java.lang.String, com.amazonaws.services.dynamodbv2.model.AttributeValue>)
  - clearExpressionAttributeValuesEntries
```
public Update clearExpressionAttributeValuesEntries()
```
    Removes all the entries added into ExpressionAttributeValues.
    
    Returns:
    
    Returns a reference to this object so that method calls can be chained together.
  - setReturnValuesOnConditionCheckFailure
```
public void setReturnValuesOnConditionCheckFailure(String returnValuesOnConditionCheckFailure)
```
    Use ReturnValuesOnConditionCheckFailure to get the item attributes if the Update condition fails. For ReturnValuesOnConditionCheckFailure, the valid values are: NONE and ALL_OLD.
    
    Parameters:
    
    returnValuesOnConditionCheckFailure - Use ReturnValuesOnConditionCheckFailure to get the item attributes if the Update condition fails. For ReturnValuesOnConditionCheckFailure, the valid values are: NONE and ALL_OLD.
    
    See Also:
    
    ReturnValuesOnConditionCheckFailure
  - getReturnValuesOnConditionCheckFailure
```
public String getReturnValuesOnConditionCheckFailure()
```
    Use ReturnValuesOnConditionCheckFailure to get the item attributes if the Update condition fails. For ReturnValuesOnConditionCheckFailure, the valid values are: NONE and ALL_OLD.
    
    Returns:
    
    Use ReturnValuesOnConditionCheckFailure to get the item attributes if the Update condition fails. For ReturnValuesOnConditionCheckFailure, the valid values are: NONE and ALL_OLD.
    
    See Also:
    
    ReturnValuesOnConditionCheckFailure
  - withReturnValuesOnConditionCheckFailure
```
public Update withReturnValuesOnConditionCheckFailure(String returnValuesOnConditionCheckFailure)
```
    Use ReturnValuesOnConditionCheckFailure to get the item attributes if the Update condition fails. For ReturnValuesOnConditionCheckFailure, the valid values are: NONE and ALL_OLD.
    
    Parameters:
    
    returnValuesOnConditionCheckFailure - Use ReturnValuesOnConditionCheckFailure to get the item attributes if the Update condition fails. For ReturnValuesOnConditionCheckFailure, the valid values are: NONE and ALL_OLD.
    
    Returns:
    
    Returns a reference to this object so that method calls can be chained together.
    
    See Also:
    
    ReturnValuesOnConditionCheckFailure
  - withReturnValuesOnConditionCheckFailure
```
public Update withReturnValuesOnConditionCheckFailure(ReturnValuesOnConditionCheckFailure returnValuesOnConditionCheckFailure)
```
    Use ReturnValuesOnConditionCheckFailure to get the item attributes if the Update condition fails. For ReturnValuesOnConditionCheckFailure, the valid values are: NONE and ALL_OLD.
    
    Parameters:
    
    returnValuesOnConditionCheckFailure - Use ReturnValuesOnConditionCheckFailure to get the item attributes if the Update condition fails. For ReturnValuesOnConditionCheckFailure, the valid values are: NONE and ALL_OLD.
    
    Returns:
    
    Returns a reference to this object so that method calls can be chained together.
    
    See Also:
    
    ReturnValuesOnConditionCheckFailure
  - toString
```
public String toString()
```
    Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be redacted from this string using a placeholder value.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    A string representation of this object.
    
    See Also:
    
    Object.toString()
  - equals
```
public boolean equals(Object obj)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - clone
```
public Update clone()
```
    Overrides:
    
    clone in class Object
  - marshall
```
public void marshall(ProtocolMarshaller protocolMarshaller)
```
    Description copied from interface: StructuredPojo
    
    Marshalls this structured data using the given ProtocolMarshaller.
    
    Specified by:
    
    marshall in interface StructuredPojo
    
    Parameters:
    
    protocolMarshaller - Implementation of ProtocolMarshaller used to marshall this object's data.

AWS SDK for Java 1.x API Reference - 1.12.555

Class Update

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Update

Method Detail

getKey

setKey

withKey

addKeyEntry

clearKeyEntries

setUpdateExpression

getUpdateExpression

withUpdateExpression

setTableName

getTableName

withTableName

setConditionExpression

getConditionExpression

withConditionExpression

getExpressionAttributeNames

setExpressionAttributeNames

withExpressionAttributeNames

addExpressionAttributeNamesEntry

clearExpressionAttributeNamesEntries

getExpressionAttributeValues

setExpressionAttributeValues

withExpressionAttributeValues

addExpressionAttributeValuesEntry

clearExpressionAttributeValuesEntries

setReturnValuesOnConditionCheckFailure

getReturnValuesOnConditionCheckFailure

withReturnValuesOnConditionCheckFailure

withReturnValuesOnConditionCheckFailure

toString

equals

hashCode

clone

marshall