Example usage for com.amazonaws.services.dynamodbv2.model AttributeValue withN

Introduction

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

Prototype

public AttributeValue withN(String n) 

Source Link

Document

An attribute of type Number.

Usage

From source file:com.clicktravel.infrastructure.persistence.aws.dynamodb.DynamoDbTemplate.java

License:Apache License

private Map<String, AttributeValue> generateKey(final ItemId itemId,
        final ItemConfiguration itemConfiguration) {
    final PrimaryKeyDefinition primaryKeyDefinition = itemConfiguration.primaryKeyDefinition();
    final AttributeValue keyValue = new AttributeValue();
    final ScalarAttributeType keyAttributeType = getAttributeType(primaryKeyDefinition.propertyType());
    switch (keyAttributeType) {
    case N:/*from   w  w w . java  2 s  .  co m*/
        keyValue.withN(itemId.value());
        break;
    default:
        keyValue.withS(itemId.value());
        break;
    }
    final Map<String, AttributeValue> key = new HashMap<>();
    key.put(primaryKeyDefinition.propertyName(), keyValue);

    final AttributeValue supportingKeyValue = new AttributeValue();
    if (CompoundPrimaryKeyDefinition.class.isAssignableFrom(primaryKeyDefinition.getClass())) {
        final CompoundPrimaryKeyDefinition compoundPrimaryKeyDefinition = (CompoundPrimaryKeyDefinition) primaryKeyDefinition;
        final ScalarAttributeType supportingKeyAttributeType = getAttributeType(
                compoundPrimaryKeyDefinition.propertyType());
        switch (supportingKeyAttributeType) {
        case N:
            supportingKeyValue.withN(itemId.supportingValue());
            break;
        default:
            supportingKeyValue.withS(itemId.supportingValue());
            break;
        }
        key.put(compoundPrimaryKeyDefinition.supportingPropertyName(), supportingKeyValue);
    }
    return key;
}

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From source file:com.makariev.dynamodb.preferences.UserPreferenceLowLevelAPIService.java

License:Open Source License

@Override
public void delete(UserPreference up) {
    //Key primaryKey = new Key().withHashKeyElement(up);
    Map<String, AttributeValue> primaryKey = new HashMap<>();
    AttributeValue avKey = new AttributeValue();
    avKey.withN(String.valueOf(up.getUserNo()));
    primaryKey.put("userNo", avKey);
    DeleteItemRequest request = new DeleteItemRequest().withTableName(UserPreference.TABLE_NAME)
            .withKey(primaryKey);//w w w .j  a va  2s .c o m

    dynamoDb.deleteItem(request);
}

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From source file:com.makariev.dynamodb.preferences.UserPreferenceLowLevelAPIService.java

License:Open Source License

@Override
public UserPreference findByUserNo(int userNo) {
    Map<String, AttributeValue> primaryKey = new HashMap<>();
    AttributeValue avKey = new AttributeValue();
    avKey.withN(String.valueOf(userNo));
    primaryKey.put("userNo", avKey);
    //Key primaryKey = new Key().withHashKeyElement(userNoAttr);
    GetItemRequest request = new GetItemRequest().withTableName(UserPreference.TABLE_NAME).withKey(primaryKey);

    GetItemResult result = dynamoDb.getItem(request);

    Map userPreference = result.getItem();
    return toUserPreference(userPreference);
}

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From source file:io.apptik.json.aws.DynamoDb2Item.java

License:Apache License

@Override
protected AttributeValue get(JsonElement el, String key) {
    AttributeValue atVal = new AttributeValue();
    if (el.isNumber()) {
        atVal.withN(el.toString());
    } else if (el.isJsonArray()) {
        boolean isNumberArr = true;
        ArrayList<String> attrList = new ArrayList<String>();
        for (JsonElement arrEl : el.asJsonArray()) {
            if (isNumberArr && !arrEl.isNumber())
                isNumberArr = false;/*from   w w w .  j av  a2 s.co m*/
            attrList.add(arrEl.toString());
        }
        if (isNumberArr) {
            atVal.withNS(attrList);
        } else {
            atVal.withSS(attrList);
        }
    } else {
        atVal.withS(el.toString());
    }

    return atVal;
}

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From source file:jp.classmethod.aws.dynamodb.DynamoDbInternalUtils.java

License:Open Source License

/**
 * Copied from DynamoDB Document SDK InternalUtils.java
 *
 * Converts a simple value into the low-level <code><AttributeValue/code>
 * representation.//w w w . j a  v a 2s.c om
 *
 * @param value
 *            the given value which can be one of the followings:
 * <ul>
 * <li>String</li>
 * <li>Set&lt;String></li>
 * <li>Number (including any subtypes and primitive types)</li>
 * <li>Set&lt;Number></li>
 * <li>byte[]</li>
 * <li>Set&lt;byte[]></li>
 * <li>ByteBuffer</li>
 * <li>Set&lt;ByteBuffer></li>
 * <li>Boolean or boolean</li>
 * <li>null</li>
 * <li>Map&lt;String,T>, where T can be any type on this list but must not
 * induce any circular reference</li>
 * <li>List&lt;T>, where T can be any type on this list but must not induce
 * any circular reference</li>
 * </ul>
 * @return a non-null low level representation of the input object value
 *
 * @throws UnsupportedOperationException
 *             if the input object type is not supported
 */
public static AttributeValue toAttributeValue(Object value) { //NOPMD
    AttributeValue result = new AttributeValue();
    if (value == null) {
        return result.withNULL(Boolean.TRUE);
    } else if (value instanceof Boolean) {
        return result.withBOOL((Boolean) value);
    } else if (value instanceof String) {
        return result.withS((String) value);
    } else if (value instanceof BigDecimal || value instanceof Number) {
        return result.withN(value instanceof Number ? value.toString() : ((BigDecimal) value).toPlainString());
    } else if (value instanceof byte[]) {
        return result.withB(ByteBuffer.wrap((byte[]) value));
    } else if (value instanceof ByteBuffer) {
        return result.withB((ByteBuffer) value);
    } else if (value instanceof Set) {
        // default to an empty string set if there is no element
        @SuppressWarnings("unchecked")
        Set<Object> set = (Set<Object>) value;
        if (set.isEmpty()) {
            result.setSS(new LinkedHashSet<>());
            return result;
        }
        Object element = set.iterator().next();
        if (element instanceof String) {
            @SuppressWarnings("unchecked")
            Set<String> ss = (Set<String>) value;
            result.setSS(new ArrayList<>(ss));
        } else if (element instanceof Number) {
            @SuppressWarnings("unchecked")
            Set<Number> in = (Set<Number>) value;
            List<String> out = new ArrayList<>(set.size());
            for (Number n : in) {
                BigDecimal bd = toBigDecimal(n);
                out.add(bd.toPlainString());
            }
            result.setNS(out);
        } else if (element instanceof byte[]) {
            @SuppressWarnings("unchecked")
            Set<byte[]> in = (Set<byte[]>) value;
            List<ByteBuffer> out = new ArrayList<>(set.size());
            for (byte[] buf : in) {
                out.add(ByteBuffer.wrap(buf));
            }
            result.setBS(out);
        } else if (element instanceof ByteBuffer) {
            @SuppressWarnings("unchecked")
            Set<ByteBuffer> bs = (Set<ByteBuffer>) value;
            result.setBS(bs);
        } else {
            throw new UnsupportedOperationException("element type: " + element.getClass());
        }
    } else if (value instanceof List) {
        @SuppressWarnings("unchecked")
        List<Object> in = (List<Object>) value;
        List<AttributeValue> out = new ArrayList<>();
        for (Object v : in) {
            out.add(toAttributeValue(v));
        }
        result.setL(out);
    } else if (value instanceof Map) {
        @SuppressWarnings("unchecked")
        Map<String, Object> in = (Map<String, Object>) value;
        if (false == in.isEmpty()) {
            for (Map.Entry<String, Object> e : in.entrySet()) {
                result.addMEntry(e.getKey(), toAttributeValue(e.getValue()));
            }
        } else { // empty map
            result.setM(new LinkedHashMap<>());
        }
    } else {
        throw new UnsupportedOperationException("value type: " + value.getClass());
    }
    return result;
}

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From source file:org.socialsignin.spring.data.dynamodb.repository.query.AbstractDynamoDBQueryCriteria.java

License:Apache License

protected <P> List<AttributeValue> addAttributeValue(List<AttributeValue> attributeValueList,
        Object attributeValue, String propertyName, Class<P> propertyType, boolean expandCollectionValues) {
    AttributeValue attributeValueObject = new AttributeValue();

    if (ClassUtils.isAssignable(String.class, propertyType)) {
        List<String> attributeValueAsList = getAttributeValueAsList(attributeValue);
        if (expandCollectionValues && attributeValueAsList != null) {
            attributeValueObject.withSS(attributeValueAsList);
        } else {/*from  w  w w .j  a v  a 2s  .co m*/
            attributeValueObject.withS((String) attributeValue);
        }
    } else if (ClassUtils.isAssignable(Number.class, propertyType)) {

        List<Number> attributeValueAsList = getAttributeValueAsList(attributeValue);
        if (expandCollectionValues && attributeValueAsList != null) {
            List<String> attributeValueAsStringList = getNumberListAsStringList(attributeValueAsList);
            attributeValueObject.withNS(attributeValueAsStringList);
        } else {
            attributeValueObject.withN(attributeValue.toString());
        }
    } else if (ClassUtils.isAssignable(Boolean.class, propertyType)) {
        List<Boolean> attributeValueAsList = getAttributeValueAsList(attributeValue);
        if (expandCollectionValues && attributeValueAsList != null) {
            List<String> attributeValueAsStringList = getBooleanListAsStringList(attributeValueAsList);
            attributeValueObject.withNS(attributeValueAsStringList);
        } else {
            boolean boolValue = ((Boolean) attributeValue).booleanValue();
            attributeValueObject.withN(boolValue ? "1" : "0");
        }
    } else if (ClassUtils.isAssignable(Date.class, propertyType)) {
        List<Date> attributeValueAsList = getAttributeValueAsList(attributeValue);
        if (expandCollectionValues && attributeValueAsList != null) {
            List<String> attributeValueAsStringList = getDateListAsStringList(attributeValueAsList);
            attributeValueObject.withSS(attributeValueAsStringList);
        } else {
            Date date = (Date) attributeValue;
            String marshalledDate = new Date2IsoDynamoDBMarshaller().marshall(date);
            attributeValueObject.withS(marshalledDate);
        }
    } else if (ClassUtils.isAssignable(Instant.class, propertyType)) {
        List<Instant> attributeValueAsList = getAttributeValueAsList(attributeValue);
        if (expandCollectionValues && attributeValueAsList != null) {
            List<String> attributeValueAsStringList = getInstantListAsStringList(attributeValueAsList);
            attributeValueObject.withSS(attributeValueAsStringList);
        } else {
            Instant date = (Instant) attributeValue;
            String marshalledDate = new Instant2IsoDynamoDBMarshaller().marshall(date);
            attributeValueObject.withS(marshalledDate);
        }
    } else {
        throw new RuntimeException("Cannot create condition for type:" + attributeValue.getClass()
                + " property conditions must be String,Number or Boolean, or have a DynamoDBMarshaller configured");
    }
    attributeValueList.add(attributeValueObject);

    return attributeValueList;
}

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