Examples of com.amazonaws.services.dynamodbv2.model.Condition

Package com.amazonaws.services.dynamodbv2.model

Examples of com.amazonaws.services.dynamodbv2.model.Condition

com.amazonaws.services.dynamodbv2.model.Condition
Represents a selection criteria for a Query or Scan operation.
- For a Query operation, the condition specifies the key attributes to use when querying a table or an index.
- For a Scan operation, the condition is used to evaluate the scan results and return only the desired values.
Multiple conditions are "ANDed" together. In other words, all of the conditions must be met to be included in the output.


        List<AttributeValue> keyValues = new ArrayList<AttributeValue>();
        keyValues.add(hashKeyValue);


        Map<String, Condition> keyConditions = new HashMap<String, Condition>();
        Condition hashKeyCondition =
            new Condition()
                .withComparisonOperator(ComparisonOperator.EQ)
                .withAttributeValueList(keyValues)
                ;
        keyConditions.put(hashKeyName, hashKeyCondition);

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  //TODO : tests using the DynamoDBMapper instead of the Client.


    @Test
    public void scanWithScanFilterEQTestThatHasReturn() {
        ScanRequest request = getBasicReq();
        Condition rangeKeyCondition = new Condition();
        List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
//        attributeValueList.add(new AttributeValue().withN(rangeKey.getN()));
        attributeValueList.add(new AttributeValue().withN("55"));
        rangeKeyCondition.setAttributeValueList(attributeValueList);
        rangeKeyCondition.setComparisonOperator(ComparisonOperator.EQ);
        Map<String, Condition> conditionMap = new HashMap<String, Condition>();
        conditionMap.put("range", rangeKeyCondition);
        request.setScanFilter(conditionMap);
        ScanResult result = getClient().scan(request);
        Assert.assertNotNull(result);

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    }
    // Test that expected return 0 items
    @Test
    public void scanWithScanFilterEQTestThatHasNoReturn() {
        ScanRequest request = getBasicReq();
        Condition rangeKeyCondition = new Condition();
        List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
        attributeValueList.add(new AttributeValue().withN("30"));
        rangeKeyCondition.setAttributeValueList(attributeValueList);
        rangeKeyCondition.setComparisonOperator(ComparisonOperator.EQ);
        Map<String, Condition> conditionMap = new HashMap<String, Condition>();
        conditionMap.put("range", rangeKeyCondition);
        request.setScanFilter(conditionMap);
        ScanResult result = getClient().scan(request);
        Assert.assertNotNull(result);

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    @Test
    public void scanWithScanFilterGTTestWithReturn() {
        ScanRequest request = getBasicReq();
        Condition rangeKeyCondition = new Condition();
        List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
//
        attributeValueList.add(new AttributeValue().withN("50"));
        rangeKeyCondition.setAttributeValueList(attributeValueList);
        rangeKeyCondition.setComparisonOperator(ComparisonOperator.GT);
        Map<String, Condition> conditionMap = new HashMap<String, Condition>();
        conditionMap.put("range", rangeKeyCondition);
        request.setScanFilter(conditionMap);
        ScanResult result = getClient().scan(request);
        Assert.assertNotNull(result);

View Full Code Here

    }


    @Test
    public void scanWithScanFilterGTTestWithNoReturn() {
        ScanRequest request = getBasicReq();
        Condition rangeKeyCondition = new Condition();
        List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();


        attributeValueList.add(new AttributeValue().withN("120"));
        rangeKeyCondition.setAttributeValueList(attributeValueList);
        rangeKeyCondition.setComparisonOperator(ComparisonOperator.GT);
        Map<String, Condition> conditionMap = new HashMap<String, Condition>();
        conditionMap.put("range", rangeKeyCondition);
        request.setScanFilter(conditionMap);
        ScanResult result = getClient().scan(request);
        Assert.assertNotNull(result);

View Full Code Here

    @Test
    public void scanWithScanFilterGTTestWithLowLimit() {
        final int limit = 5;


        ScanRequest request = getBasicReq();
        Condition rangeKeyCondition = new Condition();
        List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
//
        attributeValueList.add(new AttributeValue().withN("50"));
        rangeKeyCondition.setAttributeValueList(attributeValueList);
        rangeKeyCondition.setComparisonOperator(ComparisonOperator.GT);
        Map<String, Condition> conditionMap = new HashMap<String, Condition>();
        conditionMap.put("range", rangeKeyCondition);
        request.setScanFilter(conditionMap);
        request.setLimit(limit);
        ScanResult result = getClient().scan(request);

View Full Code Here

    @Test
    public void scanWithScanFilterGTTestWithHighLimit() {
        final int limit = 1000;


        ScanRequest request = getBasicReq();
        Condition rangeKeyCondition = new Condition();
        List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
//
        attributeValueList.add(new AttributeValue().withN("50"));
        rangeKeyCondition.setAttributeValueList(attributeValueList);
        rangeKeyCondition.setComparisonOperator(ComparisonOperator.GT);
        Map<String, Condition> conditionMap = new HashMap<String, Condition>();
        conditionMap.put("range", rangeKeyCondition);
        request.setScanFilter(conditionMap);
        request.setLimit(limit);
        ScanResult result = getClient().scan(request);

View Full Code Here




    @Test
    public void scanWithScanFilterGETest() { //Greater or Equal
        ScanRequest request = getBasicReq();
        Condition rangeKeyCondition = new Condition();
        List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
        String comparisonValue = "101";
        attributeValueList.add(new AttributeValue().withN(comparisonValue));
        rangeKeyCondition.setAttributeValueList(attributeValueList);
        rangeKeyCondition.setComparisonOperator(ComparisonOperator.GE);
        Map<String, Condition> conditionMap = new HashMap<String, Condition>();
        conditionMap.put("range", rangeKeyCondition);
        request.setScanFilter(conditionMap);
        ScanResult result = getClient().scan(request);
        Assert.assertNotNull(result);

View Full Code Here


//    // TODO: Exception!
    @Test
    public void scanWithScanFilterLETest() {
        ScanRequest request = getBasicReq();
        Condition rangeKeyCondition = new Condition();
        List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
//        attributeValueList.add(new AttributeValue().withN(rangeKey.getN()));
        attributeValueList.add(new AttributeValue().withN("120"));
        rangeKeyCondition.setAttributeValueList(attributeValueList);
        rangeKeyCondition.setComparisonOperator(ComparisonOperator.LE);
        Map<String, Condition> conditionMap = new HashMap<String, Condition>();
        conditionMap.put("range", rangeKeyCondition);
        request.setScanFilter(conditionMap);
        ScanResult result = getClient().scan(request);
        Assert.assertNotNull(result);

View Full Code Here

    }


    @Test
    public void scanWithScanFilterLTTest() {
        ScanRequest request = getBasicReq();
        Condition rangeKeyCondition = new Condition();
        List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
        attributeValueList.add(new AttributeValue().withN("0"));
        rangeKeyCondition.setAttributeValueList(attributeValueList);
        rangeKeyCondition.setComparisonOperator(ComparisonOperator.LT);
        Map<String, Condition> conditionMap = new HashMap<String, Condition>();
        conditionMap.put("range", rangeKeyCondition);
        request.setScanFilter(conditionMap);
        ScanResult result = getClient().scan(request);
        Assert.assertNotNull(result);

View Full Code Here

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