Example usage for com.amazonaws.services.dynamodbv2.document Item hasAttribute

List of usage examples for com.amazonaws.services.dynamodbv2.document Item hasAttribute

  1. HOME
  2. Java
  3. com.amazonaws
  4. com.amazonaws.services.dynamodbv2.document.*
  5. Item
  6. hasAttribute

Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.document Item hasAttribute.

Prototype

public boolean hasAttribute(String attrName)

Source Link

Document

Returns true if this item has the specified attribute; false otherwise.

Usage

From source file:com.exorath.service.lastserver.dynamodb.DynamoDBService.java

License:Apache License

@Override
public GetResult getLastServer(UUID playerId) {
    GetItemSpec spec = new GetItemSpec().withPrimaryKey(PRIM_KEY, playerId.toString());
    Item item = table.getItem(spec);
    logger.info("Retrieved the following last server data for player " + playerId + ": " + item);
    if (item == null || !item.hasAttribute(GAMEID_ATTR)) {
        return new GetResult(null, null, null);
    } else {/*from ww w  . j a  va 2  s. c o m*/
        String gameId = null;
        String mapId = null;
        String flavorId = null;
        if (item.hasAttribute(GAMEID_ATTR)) {
            gameId = item.getString(GAMEID_ATTR);
        }
        if (item.hasAttribute(MAPID_ATTR)) {
            mapId = item.getString(MAPID_ATTR);
        }
        if (item.hasAttribute(FLAVORID_ATTR)) {
            flavorId = item.getString(FLAVORID_ATTR);
        }
        return new GetResult(gameId, mapId, flavorId);
    }
}

From source file:com.exorath.service.lobbymsg.impl.DynamoDBService.java

License:Apache License

@Override
public Map<String, Message> fetchMessagesByGameId() throws Exception {
    Item item = db.getTable(tableName).getItem(getMapMessagesSpec());
    if (item == null || !item.hasAttribute(MSGS_FIELD))
        return new HashMap<>();
    Map<String, Map<String, Object>> messages = item.getMap(MSGS_FIELD);
    return mapMessages(messages);
}

From source file:com.exorath.service.party.service.DynamoDatabaseProvider.java

License:Apache License

/**
 * Convert an item containing information about a party into a party object
 *
 * @param item The item containing the information
 * @return A party object containing all possible information from the item
 *///from  w w  w .ja v a2 s.  com
private Party getPartyFromItem(Item item) {
    String owner_uuid = item.hasAttribute(OWNER_UUID) ? item.getString(OWNER_UUID) : null;
    String party_uuid = item.hasAttribute(PARTY_UUID) ? item.getString(PARTY_UUID) : null;
    String serverId = item.hasAttribute(SERVER_ID) ? item.getString(SERVER_ID) : null;
    ArrayList<String> members = item.hasAttribute(MEMBERS) ? new ArrayList<>(item.getStringSet(MEMBERS)) : null;
    Long expiry = item.hasAttribute(EXPIRE) ? item.getLong(EXPIRE) : null;
    return new Party(party_uuid, owner_uuid, serverId, members, expiry);
}

From source file:com.exorath.service.treasurehunt.dynamodb.DynamoDBService.java

License:Apache License

@Override
public GetResult getTreasures(UUID playerId) {
    GetItemSpec spec = new GetItemSpec().withPrimaryKey(PRIM_KEY, playerId.toString());
    Item item = table.getItem(spec);
    logger.info("Retrieved the following treasures for player " + playerId + ": " + item);
    if (item == null || !item.hasAttribute(TREASURES_FIELD)) {
        return new GetResult(new Treasure[0]);
    } else {/*w  w  w.j  a  va 2 s  . c om*/
        List list = item.getList(TREASURES_FIELD);
        Treasure[] treasures = new Treasure[list.size()];
        int i = 0;
        for (Object treasure : list) {
            treasures[i++] = new Treasure(treasure.toString());
        }
        return new GetResult(treasures);
    }
}

From source file:com.github.fge.jsonpatch.JsonPatchToXSpecRemove.java

License:LGPL

@Test
public void test_remove_singlePath() throws Exception {
    // setup//w  ww . ja va2  s .c  o m
    table.putItem(Item.fromMap(ImmutableMap.<String, Object>builder().put(KEY_ATTRIBUTE_NAME, VALUE)
            .put("a", ImmutableMap.of("a", 2, "b", true)).build()));

    // setup
    String patchExpression = "[ { \"op\": \"remove\", \"path\": \"/a\" } ]";
    JsonNode jsonNode = JsonLoader.fromString(patchExpression);
    JsonPatch jsonPatch = JsonPatch.fromJson(jsonNode);
    // exercise
    ExpressionSpecBuilder actual = jsonPatch.get();
    UpdateItemExpressionSpec actualSpec = actual.buildForUpdate();
    table.updateItem(KEY_ATTRIBUTE_NAME, VALUE, actualSpec);
    // verify
    Item item = table.getItem(PK);
    Assert.assertTrue(item.hasAttribute("key"));
    Assert.assertEquals(item.getString("key"), "keyValue");
    Assert.assertFalse(item.hasAttribute("a"));
}

From source file:com.github.fge.jsonpatch.JsonPatchToXSpecRemove.java

License:LGPL

@Test
public void test_remove_nestedPath() throws Exception {
    // setup/*w  w w  .j a  va2s. co  m*/
    table.putItem(Item.fromMap(ImmutableMap.<String, Object>builder().put(KEY_ATTRIBUTE_NAME, VALUE)
            .put("a", ImmutableMap.of("a", 2, "b", true)).build()));

    // setup
    String patchExpression = "[ { \"op\": \"remove\", \"path\": \"/a/a\" } ]";
    JsonNode jsonNode = JsonLoader.fromString(patchExpression);
    JsonPatch jsonPatch = JsonPatch.fromJson(jsonNode);
    // exercise
    ExpressionSpecBuilder actual = jsonPatch.get();
    UpdateItemExpressionSpec actualSpec = actual.buildForUpdate();
    table.updateItem(KEY_ATTRIBUTE_NAME, VALUE, actualSpec);
    // verify
    Item item = table.getItem(PK);
    Assert.assertTrue(item.hasAttribute("key"));
    Assert.assertEquals(item.getString("key"), "keyValue");
    Assert.assertTrue(item.hasAttribute("a"));
    Assert.assertTrue(item.getRawMap("a").containsKey("b"));
    Assert.assertEquals(item.getRawMap("a").get("b"), true);
    Assert.assertFalse(item.getRawMap("a").containsKey("a"));
}

From source file:com.github.fge.jsonpatch.JsonPatchToXSpecRemove.java

License:LGPL

@Test
public void test_remove_absentPath() throws Exception {
    // setup// w w  w.  j  a  v  a2  s .  c  om
    table.putItem(Item.fromMap(
            ImmutableMap.<String, Object>builder().put(KEY_ATTRIBUTE_NAME, VALUE).put("a", "b").build()));

    // setup
    String patchExpression = "[ { \"op\": \"remove\", \"path\": \"/c\" } ]"; // $.c does not exist in target
    JsonNode jsonNode = JsonLoader.fromString(patchExpression);
    JsonPatch jsonPatch = JsonPatch.fromJson(jsonNode);
    // exercise
    ExpressionSpecBuilder actual = jsonPatch.get();
    UpdateItemExpressionSpec actualSpec = actual.buildForUpdate();
    table.updateItem(KEY_ATTRIBUTE_NAME, VALUE, actualSpec);
    // verify
    Item item = table.getItem(PK);
    Assert.assertTrue(item.hasAttribute("key"));
    Assert.assertEquals(item.getString("key"), "keyValue");
    Assert.assertTrue(item.hasAttribute("a"));
    Assert.assertEquals(item.getString("a"), "b");
}

From source file:com.github.fge.jsonpatch.JsonPatchToXSpecReplace.java

License:LGPL

@Test
public void testReplaceSinglePathNumberExtant() throws Exception {
    // setup//from  w  ww  .j a  va 2  s  .  c  o  m
    table.putItem(Item.fromMap(ImmutableMap.<String, Object>builder().put(KEY_ATTRIBUTE_NAME, VALUE)
            .put("a", "peekaboo").build()));
    String patchExpression = "[ { \"op\": \"replace\", \"path\": \"/a\", \"value\": 1 } ]";
    JsonNode jsonNode = JsonLoader.fromString(patchExpression);
    JsonPatch jsonPatch = JsonPatch.fromJson(jsonNode);
    // exercise
    ExpressionSpecBuilder builder = jsonPatch.get();
    UpdateItemExpressionSpec spec = builder.buildForUpdate();
    UpdateItemOutcome out = table.updateItem(new UpdateItemSpec().withPrimaryKey(KEY_ATTRIBUTE_NAME, VALUE)
            .withExpressionSpec(spec).withReturnValues(ReturnValue.ALL_OLD));

    Item oldItem = Item.fromMap(InternalUtils.toSimpleMapValue(out.getUpdateItemResult().getAttributes()));
    Assert.assertTrue(oldItem.hasAttribute("a"));
    Assert.assertEquals(oldItem.getString("a"), "peekaboo");
    // verify
    Item item = table.getItem(PK);
    Assert.assertTrue(item.hasAttribute("key"));
    Assert.assertEquals(item.getString("key"), "keyValue");
    Assert.assertTrue(item.hasAttribute("a"));
    Assert.assertEquals(item.getNumber("a").longValue(), 1L);
}

From source file:com.github.fge.jsonpatch.JsonPatchToXSpecReplace.java

License:LGPL

@Test
public void test_replace_existingNestedPath_string() throws Exception {
    // setup/*  w ww.  j av  a 2 s .  c  o m*/
    table.putItem(Item.fromMap(ImmutableMap.<String, Object>builder().put(KEY_ATTRIBUTE_NAME, VALUE)
            .put("a", ImmutableMap.of("a", 2L, "b", true)).build()));

    String patchExpression = "[ { \"op\": \"replace\", \"path\": \"/a/b\", \"value\": \"bar\" } ]";
    JsonNode jsonNode = JsonLoader.fromString(patchExpression);
    JsonPatch jsonPatch = JsonPatch.fromJson(jsonNode);
    // exercise
    ExpressionSpecBuilder builder = jsonPatch.get();
    UpdateItemExpressionSpec spec = builder.buildForUpdate();
    table.updateItem(KEY_ATTRIBUTE_NAME, VALUE, spec);
    // verify
    Item item = table.getItem(PK);
    Assert.assertTrue(item.hasAttribute("key"));
    Assert.assertEquals(item.getString("key"), "keyValue");
    Assert.assertTrue(item.hasAttribute("a"));
    Assert.assertTrue(item.getRawMap("a").containsKey("a"));
    Assert.assertEquals(((BigDecimal) item.getRawMap("a").get("a")).longValue(), 2L);
    Assert.assertTrue(item.getRawMap("a").containsKey("b"));
    Assert.assertEquals(item.getRawMap("a").get("b"), "bar");
}

From source file:com.github.fge.jsonpatch.JsonPatchToXSpecReplace.java

License:LGPL

@Test
public void test_replace_singlePath_stringSet() throws Exception {
    // setup//from www  .  j  a va 2  s .  com
    table.putItem(Item.fromMap(
            ImmutableMap.<String, Object>builder().put(KEY_ATTRIBUTE_NAME, VALUE).put("a", 1L).build()));
    String patchExpression = "[ { \"op\": \"replace\", \"path\": \"/a\", \"value\": [\"foo\",\"bar\"] } ]";
    JsonNode jsonNode = JsonLoader.fromString(patchExpression);
    JsonPatch jsonPatch = JsonPatch.fromJson(jsonNode);
    // exercise
    ExpressionSpecBuilder builder = jsonPatch.get();
    UpdateItemExpressionSpec spec = builder.buildForUpdate();
    table.updateItem(KEY_ATTRIBUTE_NAME, VALUE, spec);
    // verify
    Item item = table.getItem(PK);
    Assert.assertTrue(item.hasAttribute("key"));
    Assert.assertEquals(item.getString("key"), "keyValue");
    Assert.assertTrue(item.hasAttribute("a"));
    Assert.assertTrue(item.getList("a").contains("foo"));
    Assert.assertTrue(item.getList("a").contains("bar"));
}