Example usage for com.amazonaws.services.dynamodbv2.document.utils ValueMap withMap

Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.document.utils ValueMap withMap.

Prototype

public ValueMap withMap(String key, Map<String, ?> val) 

Source Link

Document

Sets the value of the specified key in the current ValueMap to the given value.

Usage

From source file:com.exorath.service.lobbymsg.impl.DynamoDBService.java

License:Apache License

public static UpdateItemSpec getUpdateItemSpec(String gameId, Message message) {
    String updateExpression;//  w  w w  .  j  a  va  2  s.c  om
    ValueMap valueMap = new ValueMap();
    if (message.getMsg() == null)
        updateExpression = "REMOVE " + MSGS_FIELD + "." + gameId;
    else {
        updateExpression = "SET " + MSGS_FIELD + "." + gameId + "=:msgMap";
        ValueMap msgMap = new ValueMap().withString(MSG_FIELD, message.getMsg());
        if (message.getFormat() != null)
            msgMap.withString(FORMAT_FIELD, message.getFormat());
        valueMap.withMap(":msgMap", msgMap);
    }

    if (valueMap.isEmpty())
        valueMap = null;
    System.out.println(updateExpression);
    return new UpdateItemSpec().withPrimaryKey(getPrimaryKey()).withUpdateExpression(updateExpression)
            .withValueMap(valueMap);
}

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