Example usage for com.amazonaws.services.dynamodbv2.model ScanRequest setScanFilter

Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.model ScanRequest setScanFilter.

Prototype

public void setScanFilter(java.util.Map<String, Condition> scanFilter) 

Source Link

Document

This is a legacy parameter.

Usage

From source file:com.app.dynamoDb.DynamoFacebookUsers.java

License:Open Source License

public boolean isExist(String UserID) {
    ScanRequest scanRequest = new ScanRequest("FacebookUsers");

    Map<String, Condition> scanFilter = new HashMap<String, Condition>();
    scanFilter.put("UserID", new Condition().withAttributeValueList(new AttributeValue(UserID))
            .withComparisonOperator(ComparisonOperator.EQ));

    scanRequest.setScanFilter(scanFilter);
    ScanResult scanResult = dynamoDB.scan(scanRequest);

    for (Map<String, AttributeValue> item : scanResult.getItems()) {
        if (!(item.isEmpty()))
            return true;
    }//w  ww . j  ava2  s .c o  m
    return false;
}

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From source file:com.app.dynamoDb.DynamoFacebookUsers.java

License:Open Source License

public String getUserName(String UserID) {
    String result = "";
    ScanRequest scanRequest = new ScanRequest("FacebookUsers");

    Map<String, Condition> scanFilter = new HashMap<String, Condition>();
    scanFilter.put("UserID", new Condition().withAttributeValueList(new AttributeValue(UserID))
            .withComparisonOperator(ComparisonOperator.EQ));

    scanRequest.setScanFilter(scanFilter);
    ScanResult scanResult = dynamoDB.scan(scanRequest);

    for (Map<String, AttributeValue> item : scanResult.getItems()) {
        System.out.println(item.get("UserName"));

        result = item.get("UserName").toString();
    }//from   www .ja  v a 2 s.c  o  m
    return result;
}

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From source file:com.app.dynamoDb.DynamoFacebookUsers.java

License:Open Source License

public AttributeValue getUserID(String UserName) {

    ScanRequest scanRequest = new ScanRequest("FacebookUsers");

    Map<String, Condition> scanFilter = new HashMap<String, Condition>();
    scanFilter.put("Email", new Condition().withAttributeValueList(new AttributeValue(UserName))
            .withComparisonOperator(ComparisonOperator.EQ));
    scanRequest.setScanFilter(scanFilter);
    ScanResult scanResult = dynamoDB.scan(scanRequest);

    for (Map<String, AttributeValue> item : scanResult.getItems()) {
        return item.get("UserID");

    }//w  w w. j  a  va2  s. co  m
    return null;
}

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From source file:com.app.dynamoDb.DynamoUser.java

License:Open Source License

public boolean validateEmail(String Email, String Password) {

    ScanRequest scanRequest = new ScanRequest("Users");
    scanRequest.setConditionalOperator(ConditionalOperator.AND);

    Map<String, Condition> scanFilter = new HashMap<String, Condition>();
    scanFilter.put("Email", new Condition().withAttributeValueList(new AttributeValue(Email))
            .withComparisonOperator(ComparisonOperator.EQ));
    scanFilter.put("Password", new Condition().withAttributeValueList(new AttributeValue(Password))
            .withComparisonOperator(ComparisonOperator.EQ));

    scanRequest.setScanFilter(scanFilter);
    ScanResult scanResult = dynamoDB.scan(scanRequest);

    for (Map<String, AttributeValue> item : scanResult.getItems()) {
        //System.out.println(item);

        if (!item.isEmpty())
            return true;
    }/*from   w w w.  j  a v a  2s  .  c  om*/
    return false;

}

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From source file:com.app.dynamoDb.DynamoUser.java

License:Open Source License

public boolean validateName(String UserName, String Password) {

    ScanRequest scanRequest = new ScanRequest("Users");
    scanRequest.setConditionalOperator(ConditionalOperator.AND);

    Map<String, Condition> scanFilter = new HashMap<String, Condition>();
    scanFilter.put("UserName", new Condition().withAttributeValueList(new AttributeValue(UserName))
            .withComparisonOperator(ComparisonOperator.EQ));
    scanFilter.put("Password", new Condition().withAttributeValueList(new AttributeValue(Password))
            .withComparisonOperator(ComparisonOperator.EQ));

    scanRequest.setScanFilter(scanFilter);
    ScanResult scanResult = dynamoDB.scan(scanRequest);

    for (Map<String, AttributeValue> item : scanResult.getItems()) {
        //System.out.println(item);

        if (!item.isEmpty())
            return true;
    }//w  w  w. j  a va 2  s .c  o  m
    return false;

}

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From source file:com.app.dynamoDb.DynamoUser.java

License:Open Source License

public String getUserIDfromUserName(String UserName) {
    String result = "";
    ScanRequest scanRequest = new ScanRequest("Users");
    //scanRequest.setConditionalOperator(ConditionalOperator.OR);

    Map<String, Condition> scanFilter = new HashMap<String, Condition>();
    scanFilter.put("UserName", new Condition().withAttributeValueList(new AttributeValue(UserName))
            .withComparisonOperator(ComparisonOperator.EQ));
    //scanFilter.put("Password", new Condition().withAttributeValueList(new AttributeValue(UserName)).withComparisonOperator(ComparisonOperator.EQ));

    scanRequest.setScanFilter(scanFilter);
    ScanResult scanResult = dynamoDB.scan(scanRequest);

    for (Map<String, AttributeValue> item : scanResult.getItems()) {
        //         System.out.println(item.get("UserID"));

        result = item.get("UserID").toString().replaceAll("\\W", "").trim().toLowerCase();
        result = result.replaceAll("\\D", "");
    }/*from w ww. j  a  v  a2 s .  co m*/
    return result;
}

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From source file:com.app.dynamoDb.DynamoUser.java

License:Open Source License

public String getUserIDfromEmail(String Email) {
    String result = "";
    ScanRequest scanRequest = new ScanRequest("Users");

    Map<String, Condition> scanFilter = new HashMap<String, Condition>();
    scanFilter.put("Email", new Condition().withAttributeValueList(new AttributeValue(Email))
            .withComparisonOperator(ComparisonOperator.EQ));

    scanRequest.setScanFilter(scanFilter);
    ScanResult scanResult = dynamoDB.scan(scanRequest);

    for (Map<String, AttributeValue> item : scanResult.getItems()) {
        //         System.out.println(item.get("UserID"));

        result = item.get("UserID").toString().replaceAll("\\W", "").trim().toLowerCase();
        result = result.replaceAll("\\D", "");
    }/* w  ww . ja v  a 2s.  c o m*/
    return result;
}

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From source file:com.app.dynamoDb.DynamoUser.java

License:Open Source License

public String getUserName(String UserID) {
    String result = "";
    ScanRequest scanRequest = new ScanRequest("Users");

    Map<String, Condition> scanFilter = new HashMap<String, Condition>();
    scanFilter.put("UserID", new Condition().withAttributeValueList(new AttributeValue(UserID))
            .withComparisonOperator(ComparisonOperator.EQ));

    scanRequest.setScanFilter(scanFilter);
    ScanResult scanResult = dynamoDB.scan(scanRequest);

    for (Map<String, AttributeValue> item : scanResult.getItems()) {
        //         System.out.println(item.get("UserName"));

        result = item.get("UserName").toString().replaceAll("\\W", "").trim().toLowerCase();
    }//from  w  w w  .j  a v  a  2  s. com
    return result;
}

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From source file:org.apache.hadoop.dynamodb.DynamoDBClient.java

License:Open Source License

public RetryResult<ScanResult> scanTable(String tableName, DynamoDBQueryFilter dynamoDBQueryFilter,
        Integer segment, Integer totalSegments, Map<String, AttributeValue> exclusiveStartKey, long limit,
        Reporter reporter) {//  w  w w  . j a v  a 2s  .  co m
    final ScanRequest scanRequest = new ScanRequest(tableName).withExclusiveStartKey(exclusiveStartKey)
            .withLimit(Ints.checkedCast(limit)).withSegment(segment).withTotalSegments(totalSegments)
            .withReturnConsumedCapacity(ReturnConsumedCapacity.TOTAL);

    if (dynamoDBQueryFilter != null) {
        Map<String, Condition> scanFilter = dynamoDBQueryFilter.getScanFilter();
        if (!scanFilter.isEmpty()) {
            scanRequest.setScanFilter(scanFilter);
        }
    }

    RetryResult<ScanResult> retryResult = getRetryDriver().runWithRetry(new Callable<ScanResult>() {
        @Override
        public ScanResult call() {
            log.debug("Executing DynamoDB scan: " + scanRequest);
            return dynamoDB.scan(scanRequest);
        }
    }, reporter, PrintCounter.DynamoDBReadThrottle);
    return retryResult;
}

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