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

Introduction

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

Prototype

public void setN(String n) 

Source Link

Document

An attribute of type Number.

Usage

From source file:com.amazon.janusgraph.diskstorage.dynamodb.DynamoDbDelegate.java

License:Open Source License

/**
 * Helper method that can clone an Attribute Value
 *
 * @param val the AttributeValue to copy
 * @param sourceDestinationMap used to avoid loops by keeping track of references
 * @return a copy of val/* w ww .  ja  va2s .co  m*/
 */
public static AttributeValue clone(final AttributeValue val,
        final IdentityHashMap<AttributeValue, AttributeValue> sourceDestinationMap) {
    if (val == null) {
        return null;
    }

    if (sourceDestinationMap.containsKey(val)) {
        return sourceDestinationMap.get(val);
    }

    final AttributeValue clonedVal = new AttributeValue();
    sourceDestinationMap.put(val, clonedVal);
    if (val.getN() != null) {
        clonedVal.setN(val.getN());
    } else if (val.getS() != null) {
        clonedVal.setS(val.getS());
    } else if (val.getB() != null) {
        clonedVal.setB(val.getB());
    } else if (val.getNS() != null) {
        clonedVal.setNS(val.getNS());
    } else if (val.getSS() != null) {
        clonedVal.setSS(val.getSS());
    } else if (val.getBS() != null) {
        clonedVal.setBS(val.getBS());
    } else if (val.getBOOL() != null) {
        clonedVal.setBOOL(val.getBOOL());
    } else if (val.getNULL() != null) {
        clonedVal.setNULL(val.getNULL());
    } else if (val.getL() != null) {
        final List<AttributeValue> list = new ArrayList<>(val.getL().size());
        for (AttributeValue listItemValue : val.getL()) {
            if (!sourceDestinationMap.containsKey(listItemValue)) {
                sourceDestinationMap.put(listItemValue, clone(listItemValue, sourceDestinationMap));
            }
            list.add(sourceDestinationMap.get(listItemValue));
        }
        clonedVal.setL(list);
    } else if (val.getM() != null) {
        final Map<String, AttributeValue> map = new HashMap<>(val.getM().size());
        for (Entry<String, AttributeValue> pair : val.getM().entrySet()) {
            if (!sourceDestinationMap.containsKey(pair.getValue())) {
                sourceDestinationMap.put(pair.getValue(), clone(pair.getValue(), sourceDestinationMap));
            }
            map.put(pair.getKey(), sourceDestinationMap.get(pair.getValue()));
        }
        clonedVal.setM(map);
    }
    return clonedVal;
}

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From source file:com.nandanu.halomama.controller.DynamoDBRouter.java

License:Open Source License

public void incrementSeen(String userNameTwitter, String createdDate) {
    UpdateItemRequest upd = new UpdateItemRequest();

    upd.setTableName(Constants.TABLE_NAME);

    AttributeValue unt = new AttributeValue();
    unt.setS(userNameTwitter);//w  w w  .j  av a 2s  .com
    AttributeValue cd = new AttributeValue();
    cd.setS(createdDate);

    upd.addKeyEntry(Constants.TAG_USERNAME, unt);
    upd.addKeyEntry(Constants.TAG_CREATED_DATE, cd);

    AttributeValue s = new AttributeValue();
    s.setN("1");

    AttributeValueUpdate seen = new AttributeValueUpdate(s, AttributeAction.ADD);

    upd.addAttributeUpdatesEntry(Constants.TAG_SEEN, seen);

    dDBClient.updateItem(upd);

}

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From source file:com.rapid7.diskstorage.dynamodb.DynamoDBDelegate.java

License:Open Source License

/**
 * Helper method that can clone an Attribute Value
 *
 * @param val the AttributeValue to copy
 * @param sourceDestinationMap used to avoid loops by keeping track of references
 * @return a copy of val//from w  ww .  j a  v  a  2 s  .co m
 */
public static AttributeValue clone(AttributeValue val,
        IdentityHashMap<AttributeValue, AttributeValue> sourceDestinationMap) {
    if (val == null) {
        return null;
    }

    if (sourceDestinationMap.containsKey(val)) {
        return sourceDestinationMap.get(val);
    }

    AttributeValue clonedVal = new AttributeValue();
    sourceDestinationMap.put(val, clonedVal);
    if (val.getN() != null) {
        clonedVal.setN(val.getN());
    } else if (val.getS() != null) {
        clonedVal.setS(val.getS());
    } else if (val.getB() != null) {
        clonedVal.setB(val.getB());
    } else if (val.getNS() != null) {
        clonedVal.setNS(val.getNS());
    } else if (val.getSS() != null) {
        clonedVal.setSS(val.getSS());
    } else if (val.getBS() != null) {
        clonedVal.setBS(val.getBS());
    } else if (val.getBOOL() != null) {
        clonedVal.setBOOL(val.getBOOL());
    } else if (val.getNULL() != null) {
        clonedVal.setNULL(val.getNULL());
    } else if (val.getL() != null) {
        List<AttributeValue> list = new ArrayList<>(val.getL().size());
        for (AttributeValue listItemValue : val.getL()) {
            if (!sourceDestinationMap.containsKey(listItemValue)) {
                sourceDestinationMap.put(listItemValue, clone(listItemValue, sourceDestinationMap));
            }
            list.add(sourceDestinationMap.get(listItemValue));
        }
        clonedVal.setL(list);
    } else if (val.getM() != null) {
        Map<String, AttributeValue> map = new HashMap<>(val.getM().size());
        for (Entry<String, AttributeValue> pair : val.getM().entrySet()) {
            if (!sourceDestinationMap.containsKey(pair.getValue())) {
                sourceDestinationMap.put(pair.getValue(), clone(pair.getValue(), sourceDestinationMap));
            }
            map.put(pair.getKey(), sourceDestinationMap.get(pair.getValue()));
        }
        clonedVal.setM(map);
    }
    return clonedVal;
}

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

License:Open Source License

private static AttributeValue clone(AttributeValue val, //NOPMD
        IdentityHashMap<AttributeValue, AttributeValue> sourceDestinationMap, boolean filterEmptyStrings) {
    if (val == null) {
        return null;
    }//from w w w.  java2s .  c o m

    if (sourceDestinationMap.containsKey(val)) {
        return sourceDestinationMap.get(val);
    }

    AttributeValue clonedVal = new AttributeValue();
    sourceDestinationMap.put(val, clonedVal);
    if (val.getN() != null) {
        clonedVal.setN(val.getN());
    } else if (val.getS() != null) {
        clonedVal.setS(val.getS());
    } else if (val.getB() != null) {
        clonedVal.setB(val.getB());
    } else if (val.getNS() != null) {
        clonedVal.setNS(val.getNS());
    } else if (val.getSS() != null) {
        clonedVal.setSS(val.getSS());
    } else if (val.getBS() != null) {
        clonedVal.setBS(val.getBS());
    } else if (val.getBOOL() != null) {
        clonedVal.setBOOL(val.getBOOL());
    } else if (val.getNULL() != null) {
        clonedVal.setNULL(val.getNULL());
    } else if (val.getL() != null) {
        List<AttributeValue> list = new ArrayList<>(val.getL().size());
        for (AttributeValue listItemValue : val.getL()) {
            if (!sourceDestinationMap.containsKey(listItemValue)) {
                sourceDestinationMap.put(listItemValue,
                        clone(listItemValue, sourceDestinationMap, filterEmptyStrings));
            }
            AttributeValue destination = sourceDestinationMap.get(listItemValue);
            if (false == (filterEmptyStrings && destination.getS() != null && destination.getS().isEmpty())) {
                list.add(destination);
            }
        }
        clonedVal.setL(list);
    } else if (val.getM() != null) {
        Map<String, AttributeValue> map = new HashMap<>(val.getM().size());
        for (Map.Entry<String, AttributeValue> pair : val.getM().entrySet()) {
            if (!sourceDestinationMap.containsKey(pair.getValue())) {
                sourceDestinationMap.put(pair.getValue(),
                        clone(pair.getValue(), sourceDestinationMap, filterEmptyStrings));
            }
            AttributeValue destination = sourceDestinationMap.get(pair.getValue());
            if (false == (filterEmptyStrings && destination.getS() != null && destination.getS().isEmpty())) {
                map.put(pair.getKey(), destination);
            }
        }
        clonedVal.setM(map);
    }
    return clonedVal;
}

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From source file:org.apache.beam.sdk.io.aws.dynamodb.AttributeValueCoder.java

License:Apache License

@Override
public AttributeValue decode(InputStream inStream) throws IOException {
    AttributeValue attrValue = new AttributeValue();

    String type = StringUtf8Coder.of().decode(inStream);
    AttributeValueType attrType = AttributeValueType.valueOf(type);

    switch (attrType) {
    case s://from   www  . ja  va 2s . co m
        attrValue.setS(StringUtf8Coder.of().decode(inStream));
        break;
    case n:
        attrValue.setN(StringUtf8Coder.of().decode(inStream));
        break;
    case bOOL:
        attrValue.setBOOL(BooleanCoder.of().decode(inStream));
        break;
    case b:
        attrValue.setB(ByteBuffer.wrap(ByteArrayCoder.of().decode(inStream)));
        break;
    case sS:
        attrValue.setSS(LIST_STRING_CODER.decode(inStream));
        break;
    case nS:
        attrValue.setNS(LIST_STRING_CODER.decode(inStream));
        break;
    case bS:
        attrValue.setBS(convertToListByteBuffer(LIST_BYTE_CODER.decode(inStream)));
        break;
    case l:
        attrValue.setL(LIST_ATTRIBUTE_CODER.decode(inStream));
        break;
    case m:
        attrValue.setM(MAP_ATTRIBUTE_CODER.decode(inStream));
        break;
    case nULLValue:
        attrValue.setNULL(BooleanCoder.of().decode(inStream));
        break;
    default:
        throw new CoderException("Unknown Type");
    }

    return attrValue;
}

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From source file:org.apache.metamodel.dynamodb.DynamoDbUtils.java

License:Apache License

public static AttributeValue toAttributeValue(Object value) {
    if (value instanceof AttributeValue) {
        return (AttributeValue) value;
    }//from   www . j  a  v  a 2s.c  o  m
    final AttributeValue attributeValue = new AttributeValue();
    if (value == null) {
        attributeValue.setNULL(true);
    } else if (value instanceof Number) {
        attributeValue.setN(value.toString());
    } else if (value instanceof Boolean) {
        attributeValue.setBOOL((Boolean) value);
    } else if (value instanceof String) {
        attributeValue.setS(value.toString());
    } else {
        // TODO: Actually there's a few more value types we should support,
        // see AttributeValue.setXxxx
        throw new UnsupportedOperationException("Unsupported value type: " + value);
    }
    return attributeValue;
}

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