Examples of com.amazonaws.services.dynamodb.model.Key

Package com.amazonaws.services.dynamodb.model

Examples of com.amazonaws.services.dynamodb.model.Key

com.amazonaws.services.dynamodb.model.Key

The primary key that uniquely identifies each item in a table. A primary key can be a one attribute (hash) primary key or a two attribute (hash-and-range) primary key.

//        keys.add(new Key(new AttributeValue("4")));
//        keys.add(new Key(new AttributeValue("5")));
//        keys.add(new Key(new AttributeValue("3")));


        //Test case 2: Requests has no match.
        keys.add(new Key(new AttributeValue("1")));


        //Test case 3: Complicated test, some requests has matches, some doesn't.
//        keys.add(new Key(new AttributeValue("7")));
//        keys.add(new Key(new AttributeValue("4")));

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    // TODO: test out put item expected and return value
    @Test
    public void getItemTest() {
        AttributeValue hash = createItem(tableName);
        GetItemRequest request = new GetItemRequest().withTableName(tableName);
        request.setKey(new Key().withHashKeyElement(hash));
        GetItemResult res = getClient().getItem(request);
        Assert.assertNotNull(res.getItem());
        Assert.assertEquals(res.getItem().get("id"), hash);
    }

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    }


    @Test
    public void getItemWithoutTableNameTest() {
        GetItemRequest request = new GetItemRequest();
        request.setKey(new Key().withHashKeyElement(new AttributeValue().withNS("123")));
    try {
      getClient().getItem(request);
      Assert.assertTrue(false);// Should have thrown an exception
    } catch (AmazonServiceException ase) {
    }

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        Map<String, AttributeValueUpdate> attrToUp = new HashMap<String, AttributeValueUpdate>();
        AttributeValueUpdate update = new AttributeValueUpdate();
        update.setAction("PUT");
        update.setValue(hash);
        attrToUp.put("updated", update);
        Key key = new Key(hash);
        UpdateItemRequest request = new UpdateItemRequest(tableName, key, attrToUp);
        UpdateItemResult res = getClient().updateItem(request);
        Assert.assertNotNull(res);
        Assert.assertNotNull(res.getAttributes());
    }

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        Map<String, AttributeValueUpdate> attrToUp = new HashMap<String, AttributeValueUpdate>();
        AttributeValueUpdate update = new AttributeValueUpdate();
        update.setAction("PUT");
        update.setValue(hash);
        attrToUp.put("updated", update);
        Key key = new Key(hash);
        UpdateItemRequest request = new UpdateItemRequest();
        request.setKey(key);
        request.setAttributeUpdates(attrToUp);
    try {
      getClient().updateItem(request);

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        Map<String, AttributeValueUpdate> attrToUp = new HashMap<String, AttributeValueUpdate>();
        AttributeValueUpdate update = new AttributeValueUpdate();
        update.setAction("PUT");
        update.setValue(hash);
        attrToUp.put("updated", update);
        Key key = new Key(hash);
        UpdateItemRequest request = new UpdateItemRequest();
        request.setTableName(tableName);
        request.setAttributeUpdates(attrToUp);
    try {
      getClient().updateItem(request);

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    public void deleteItem() {
        KeySchema schema = new KeySchema(new KeySchemaElement().withAttributeName("id").withAttributeType(ScalarAttributeType.S));
        createTable(tableName, schema);
        AttributeValue hash = new AttributeValue("ad"); //createStringAttribute();
        getClient().putItem(new PutItemRequest().withTableName(tableName).withItem(createGenericItem(hash)));
        DeleteItemRequest request = new DeleteItemRequest().withTableName(tableName).withKey(new Key(hash));
        DeleteItemResult result = getClient().deleteItem(request);
        Assert.assertNotNull(result.getConsumedCapacityUnits());
    }

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        AttributeValue hash = new AttributeValue("ad");
        AttributeValue range1 = new AttributeValue().withN("1");
        AttributeValue range2 = new AttributeValue().withN("2");
        getClient().putItem(new PutItemRequest().withTableName(tableName).withItem(createGenericItem(hash, range1)));
        getClient().putItem(new PutItemRequest().withTableName(tableName).withItem(createGenericItem(hash, range2)));
        Key key1 = new Key().withHashKeyElement(hash).withRangeKeyElement(range1);
        Key key2 = new Key().withHashKeyElement(hash).withRangeKeyElement(range2);
        DeleteItemRequest request1 = new DeleteItemRequest().withTableName(tableName).withKey(key1).withReturnValues(ReturnValue.ALL_OLD);
        DeleteItemRequest request2 = new DeleteItemRequest().withTableName(tableName).withKey(key2).withReturnValues(ReturnValue.ALL_OLD);
        DeleteItemResult result = getClient().deleteItem(request1);
        Assert.assertNotNull(result.getAttributes());
        result = getClient().deleteItem(request2);

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    public void deleteItemWithoutTableName() {
        KeySchema schema = new KeySchema(new KeySchemaElement().withAttributeName("id").withAttributeType(ScalarAttributeType.S));
        createTable(tableName, schema);
        AttributeValue hash = createStringAttribute();
        getClient().putItem(new PutItemRequest().withTableName(tableName).withItem(createGenericItem(hash)));
        DeleteItemRequest request = new DeleteItemRequest().withKey(new Key(hash));
    try {
      getClient().deleteItem(request);
      Assert.assertTrue(false);// Should have thrown an exception
    } catch (AmazonServiceException ase) {
    }

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    @Test
    public void deleteNonExistantItem() {
        KeySchema schema = new KeySchema(new KeySchemaElement().withAttributeName("id").withAttributeType(ScalarAttributeType.S));
        createTable(tableName, schema);
        DeleteItemRequest request = new DeleteItemRequest().withTableName(tableName).withKey(new Key(createStringAttribute()));
    try {
      getClient().deleteItem(request);
      Assert.assertTrue(false);// Should have thrown an exception
    } catch (AmazonServiceException ase) {
    }

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