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.

            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;


    Condition rangeKeyCondition = new Condition();
    List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
    attributeValueList.add(createNumberAttribute(2));
    rangeKeyCondition.setAttributeValueList(attributeValueList);
    rangeKeyCondition.setComparisonOperator(ComparisonOperator.LE);
    request.getKeyConditions().put("range", rangeKeyCondition);


        QueryResult result = getClient().query(request);


        Assert.assertNotNull("Null result.", result);

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            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;


    Condition rangeKeyCondition = new Condition();
    List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
    attributeValueList.add(createNumberAttribute(2));
    rangeKeyCondition.setAttributeValueList(attributeValueList);
    rangeKeyCondition.setComparisonOperator(ComparisonOperator.GT);
    request.getKeyConditions().put("range", rangeKeyCondition);


        QueryResult result = getClient().query(request);


        Assert.assertNotNull("Null result.", result);

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            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;


    Condition rangeKeyCondition = new Condition();
    List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
    attributeValueList.add(createNumberAttribute(2));
    rangeKeyCondition.setAttributeValueList(attributeValueList);
    rangeKeyCondition.setComparisonOperator(ComparisonOperator.GE);
    request.getKeyConditions().put("range", rangeKeyCondition);


        QueryResult result = getClient().query(request);


        Assert.assertNotNull("Null result.", result);

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            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;


    Condition rangeKeyCondition = new Condition();
    List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
    attributeValueList.add(createNumberAttribute(2));
    attributeValueList.add(createNumberAttribute(4));
    attributeValueList.add(createNumberAttribute(0));
    rangeKeyCondition.setAttributeValueList(attributeValueList);
    rangeKeyCondition.setComparisonOperator(ComparisonOperator.IN);
    request.getKeyConditions().put("range", rangeKeyCondition);


        QueryResult result = getClient().query(request);


        Assert.assertNotNull("Null result.", result);

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            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;


    Condition rangeKeyCondition = new Condition();
    List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
    attributeValueList.add(createNumberAttribute(2));
    attributeValueList.add(createNumberAttribute(3));
    rangeKeyCondition.setAttributeValueList(attributeValueList);
    rangeKeyCondition.setComparisonOperator(ComparisonOperator.BETWEEN);
    request.getKeyConditions().put("range", rangeKeyCondition);


        QueryResult result = getClient().query(request);


        Assert.assertNotNull("Null result.", result);

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            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;


    Condition rangeKeyCondition = new Condition();
    List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
    attributeValueList.add(createNumberAttribute(1));
    rangeKeyCondition.setAttributeValueList(attributeValueList);
    rangeKeyCondition.setComparisonOperator(ComparisonOperator.BEGINS_WITH);
    request.getKeyConditions().put("range", rangeKeyCondition);


        QueryResult result = getClient().query(request);


        Assert.assertNotNull("Null result.", result);

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            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;


    Condition rangeKeyCondition = new Condition();
    List<AttributeValue> attributeValueList = new ArrayList<AttributeValue>();
    attributeValueList.add(createNumberAttribute(1));
    rangeKeyCondition.setAttributeValueList(attributeValueList);
    rangeKeyCondition.setComparisonOperator(ComparisonOperator.CONTAINS);
    request.getKeyConditions().put("range", rangeKeyCondition);


        QueryResult result = getClient().query(request);


        Assert.assertNotNull("Null result.", result);

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                    || getter.isAnnotationPresent(DynamoDBIndexHashKey.class) ) {
                Object getterReturnResult = safeInvoke(getter, obj, (Object[])null);
                if (getterReturnResult != null) {
                    conditions.put(
                            reflector.getAttributeName(getter),
                            new Condition().withComparisonOperator(ComparisonOperator.EQ).withAttributeValueList(
                                    getSimpleAttributeValue(getter, getterReturnResult)));
                }
            }
        }
        return conditions;

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                    || getter.isAnnotationPresent(DynamoDBIndexHashKey.class) ) {
                Object getterReturnResult = safeInvoke(getter, obj, (Object[])null);
                if (getterReturnResult != null) {
                    conditions.put(
                            reflector.getAttributeName(getter),
                            new Condition().withComparisonOperator(ComparisonOperator.EQ).withAttributeValueList(
                                    getSimpleAttributeValue(getter, getterReturnResult)));
                }
            }
        }
        return conditions;

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        Map<String, Condition> conditions = new HashMap<String, Condition>();
        for ( Method getter : reflector.getKeyGetters(obj.getClass()) ) {
            if ( getter.isAnnotationPresent(DynamoDBHashKey.class) ) {
                conditions.put(
                        reflector.getAttributeName(getter),
                        new Condition().withComparisonOperator(ComparisonOperator.EQ).withAttributeValueList(
                                getSimpleAttributeValue(getter, safeInvoke(getter, obj, (Object[])null))));
            }
        }
        return conditions;
    }

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