com.amazon.titan.diskstorage.dynamodb

Class Expression

java.lang.Object

com.amazon.titan.diskstorage.dynamodb.Expression

public class Expression
extends java.lang.Object

Structure of update and condition expressions required for a DynamoDB conditional update. The expressions share an attribute value and name map.

Author:

Alexander Patrikalakis, Michael Rodaitis

Constructor Summary

Constructors

Constructor and Description
Expression(java.lang.String updateExpression, java.lang.String conditionExpression, java.util.Map<java.lang.String,AttributeValue> attributeValues, java.util.Map<java.lang.String,java.lang.String> attributeNames)

Method Summary

Methods

Modifier and Type	Method and Description
java.util.Map<java.lang.String,java.lang.String>	getAttributeNames()
java.util.Map<java.lang.String,AttributeValue>	getAttributeValues()
java.lang.String	getConditionExpression()
java.lang.String	getUpdateExpression()

Methods inherited from class java.lang.Object

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

Constructor Detail

Expression

public Expression(java.lang.String updateExpression,
          java.lang.String conditionExpression,
          java.util.Map<java.lang.String,AttributeValue> attributeValues,
          java.util.Map<java.lang.String,java.lang.String> attributeNames)

Method Detail

getUpdateExpression

public java.lang.String getUpdateExpression()

getConditionExpression

public java.lang.String getConditionExpression()

getAttributeValues

public java.util.Map<java.lang.String,AttributeValue> getAttributeValues()

getAttributeNames

public java.util.Map<java.lang.String,java.lang.String> getAttributeNames()