List of usage examples for com.amazonaws.services.dynamodbv2.model ComparisonOperator BEGINS_WITH
ComparisonOperator BEGINS_WITH
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From source file:org.socialsignin.spring.data.dynamodb.repository.query.AbstractDynamoDBQueryCreator.java
License:Apache License
protected DynamoDBQueryCriteria<T, ID> addCriteria(DynamoDBQueryCriteria<T, ID> criteria, Part part, Iterator<Object> iterator) { if (part.shouldIgnoreCase().equals(IgnoreCaseType.ALWAYS)) throw new UnsupportedOperationException("Case insensitivity not supported"); Class<?> leafNodePropertyType = part.getProperty().getLeafProperty().getType(); PropertyPath leafNodePropertyPath = part.getProperty().getLeafProperty(); String leafNodePropertyName = leafNodePropertyPath.toDotPath(); if (leafNodePropertyName.indexOf(".") != -1) { int index = leafNodePropertyName.lastIndexOf("."); leafNodePropertyName = leafNodePropertyName.substring(index); }/*from w w w.j a v a 2 s . co m*/ switch (part.getType()) { case IN: Object in = iterator.next(); Assert.notNull(in, "Creating conditions on null parameters not supported: please specify a value for '" + leafNodePropertyName + "'"); boolean isIterable = ClassUtils.isAssignable(Iterable.class, in.getClass()); boolean isArray = ObjectUtils.isArray(in); Assert.isTrue(isIterable || isArray, "In criteria can only operate with Iterable or Array parameters"); Iterable<?> iterable = isIterable ? ((Iterable<?>) in) : Arrays.asList(ObjectUtils.toObjectArray(in)); return criteria.withPropertyIn(leafNodePropertyName, iterable, leafNodePropertyType); case CONTAINING: return criteria.withSingleValueCriteria(leafNodePropertyName, ComparisonOperator.CONTAINS, iterator.next(), leafNodePropertyType); case STARTING_WITH: return criteria.withSingleValueCriteria(leafNodePropertyName, ComparisonOperator.BEGINS_WITH, iterator.next(), leafNodePropertyType); case BETWEEN: Object first = iterator.next(); Object second = iterator.next(); return criteria.withPropertyBetween(leafNodePropertyName, first, second, leafNodePropertyType); case AFTER: case GREATER_THAN: return criteria.withSingleValueCriteria(leafNodePropertyName, ComparisonOperator.GT, iterator.next(), leafNodePropertyType); case BEFORE: case LESS_THAN: return criteria.withSingleValueCriteria(leafNodePropertyName, ComparisonOperator.LT, iterator.next(), leafNodePropertyType); case GREATER_THAN_EQUAL: return criteria.withSingleValueCriteria(leafNodePropertyName, ComparisonOperator.GE, iterator.next(), leafNodePropertyType); case LESS_THAN_EQUAL: return criteria.withSingleValueCriteria(leafNodePropertyName, ComparisonOperator.LE, iterator.next(), leafNodePropertyType); case IS_NULL: return criteria.withNoValuedCriteria(leafNodePropertyName, ComparisonOperator.NULL); case IS_NOT_NULL: return criteria.withNoValuedCriteria(leafNodePropertyName, ComparisonOperator.NOT_NULL); case TRUE: return criteria.withSingleValueCriteria(leafNodePropertyName, ComparisonOperator.EQ, Boolean.TRUE, leafNodePropertyType); case FALSE: return criteria.withSingleValueCriteria(leafNodePropertyName, ComparisonOperator.EQ, Boolean.FALSE, leafNodePropertyType); case SIMPLE_PROPERTY: return criteria.withPropertyEquals(leafNodePropertyName, iterator.next(), leafNodePropertyType); case NEGATING_SIMPLE_PROPERTY: return criteria.withSingleValueCriteria(leafNodePropertyName, ComparisonOperator.NE, iterator.next(), leafNodePropertyType); default: throw new IllegalArgumentException("Unsupported keyword " + part.getType()); } }
From source file:org.socialsignin.spring.data.dynamodb.repository.query.AbstractDynamoDBQueryCriteria.java
License:Apache License
public boolean comparisonOperatorsPermittedForQuery() { List<ComparisonOperator> comparisonOperatorsPermittedForQuery = Arrays.asList(new ComparisonOperator[] { ComparisonOperator.EQ, ComparisonOperator.LE, ComparisonOperator.LT, ComparisonOperator.GE, ComparisonOperator.GT, ComparisonOperator.BEGINS_WITH, ComparisonOperator.BETWEEN }); // Can only query on subset of Conditions for (Collection<Condition> conditions : attributeConditions.values()) { for (Condition condition : conditions) { if (!comparisonOperatorsPermittedForQuery .contains(ComparisonOperator.fromValue(condition.getComparisonOperator()))) { return false; }/*from ww w . j av a 2s.c o m*/ } } return true; }
From source file:org.socialsignin.spring.data.dynamodb.repository.query.DynamoDBEntityWithHashAndRangeKeyCriteria.java
License:Apache License
private void checkComparisonOperatorPermittedForCompositeHashAndRangeKey( ComparisonOperator comparisonOperator) { if (!ComparisonOperator.EQ.equals(comparisonOperator) && !ComparisonOperator.CONTAINS.equals(comparisonOperator) && !ComparisonOperator.BEGINS_WITH.equals(comparisonOperator)) { throw new UnsupportedOperationException( "Only EQ,CONTAINS,BEGINS_WITH supported for composite id comparison"); }/* ww w. j a v a 2 s . co m*/ }
From source file:org.socialsignin.spring.data.dynamodb.repository.query.DynamoDBQueryCreator.java
License:Apache License
protected DynamoDBQueryCriteria<T, ID> addCriteria(DynamoDBQueryCriteria<T, ID> criteria, Part part, Iterator<Object> iterator) { if (part.shouldIgnoreCase().equals(IgnoreCaseType.ALWAYS)) throw new UnsupportedOperationException("Case insensitivity not supported"); Class<?> propertyType = part.getProperty().getType(); switch (part.getType()) { case IN:/*from w ww. j a v a2 s. c o m*/ Object in = iterator.next(); Assert.notNull(in, "Creating conditions on null parameters not supported: please specify a value for '" + part.getProperty().getSegment() + "'"); boolean isIterable = ClassUtils.isAssignable(in.getClass(), Iterable.class); boolean isArray = ObjectUtils.isArray(in); Assert.isTrue(isIterable || isArray, "In criteria can only operate with Iterable or Array parameters"); Iterable<?> iterable = isIterable ? ((Iterable<?>) in) : Arrays.asList(ObjectUtils.toObjectArray(in)); return criteria.withPropertyIn(part.getProperty().getSegment(), iterable, propertyType); case CONTAINING: return criteria.withSingleValueCriteria(part.getProperty().getSegment(), ComparisonOperator.CONTAINS, iterator.next(), propertyType); case STARTING_WITH: return criteria.withSingleValueCriteria(part.getProperty().getSegment(), ComparisonOperator.BEGINS_WITH, iterator.next(), propertyType); case BETWEEN: Object first = iterator.next(); Object second = iterator.next(); return criteria.withPropertyBetween(part.getProperty().getSegment(), first, second, propertyType); case AFTER: case GREATER_THAN: return criteria.withSingleValueCriteria(part.getProperty().getSegment(), ComparisonOperator.GT, iterator.next(), propertyType); case BEFORE: case LESS_THAN: return criteria.withSingleValueCriteria(part.getProperty().getSegment(), ComparisonOperator.LT, iterator.next(), propertyType); case GREATER_THAN_EQUAL: return criteria.withSingleValueCriteria(part.getProperty().getSegment(), ComparisonOperator.GE, iterator.next(), propertyType); case LESS_THAN_EQUAL: return criteria.withSingleValueCriteria(part.getProperty().getSegment(), ComparisonOperator.LE, iterator.next(), propertyType); case IS_NULL: return criteria.withNoValuedCriteria(part.getProperty().getSegment(), ComparisonOperator.NULL); case IS_NOT_NULL: return criteria.withNoValuedCriteria(part.getProperty().getSegment(), ComparisonOperator.NOT_NULL); case TRUE: return criteria.withSingleValueCriteria(part.getProperty().getSegment(), ComparisonOperator.EQ, Boolean.TRUE, propertyType); case FALSE: return criteria.withSingleValueCriteria(part.getProperty().getSegment(), ComparisonOperator.EQ, Boolean.FALSE, propertyType); case SIMPLE_PROPERTY: return criteria.withPropertyEquals(part.getProperty().getSegment(), iterator.next(), propertyType); case NEGATING_SIMPLE_PROPERTY: return criteria.withSingleValueCriteria(part.getProperty().getSegment(), ComparisonOperator.NE, iterator.next(), propertyType); default: throw new IllegalArgumentException("Unsupported keyword " + part.getType()); } }
From source file:searchengine.WordToDoc.java
License:Open Source License
public static void main(String[] args) throws Exception { init();/* ww w.jav a2 s.c o m*/ try { String tableName = "my-favorite-movies-table"; // Create table if it does not exist yet if (Tables.doesTableExist(dynamoDB, tableName)) { System.out.println("Table " + tableName + " is already ACTIVE"); } else { // Create a table with a primary hash key named 'name', which holds a string CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName) .withKeySchema(new KeySchemaElement().withAttributeName("name").withKeyType(KeyType.HASH)) .withAttributeDefinitions(new AttributeDefinition().withAttributeName("name") .withAttributeType(ScalarAttributeType.S)) .withProvisionedThroughput( new ProvisionedThroughput().withReadCapacityUnits(1L).withWriteCapacityUnits(1L)); TableDescription createdTableDescription = dynamoDB.createTable(createTableRequest) .getTableDescription(); System.out.println("Created Table: " + createdTableDescription); // Wait for it to become active System.out.println("Waiting for " + tableName + " to become ACTIVE..."); Tables.awaitTableToBecomeActive(dynamoDB, tableName); } /*// Describe our new table DescribeTableRequest describeTableRequest = new DescribeTableRequest().withTableName(tableName); TableDescription tableDescription = dynamoDB.describeTable(describeTableRequest).getTable(); System.out.println("Table Description: " + tableDescription); // Add an item Map<String, AttributeValue> item = newItem("Bill & Ted's Excellent Adventure", 1989, "****", "James", "Sara"); PutItemRequest putItemRequest = new PutItemRequest(tableName, item); PutItemResult putItemResult = dynamoDB.putItem(putItemRequest); System.out.println("Result: " + putItemResult);*/ /*// Add another item item = newItem("Airplane", 1980, "*****", "James", "Billy Bob"); putItemRequest = new PutItemRequest(tableName, item); putItemResult = dynamoDB.putItem(putItemRequest); System.out.println("Result: " + putItemResult); item = newItem("Billrplane", 1980, "*****", "James", "Billy Bob"); putItemRequest = new PutItemRequest(tableName, item); putItemResult = dynamoDB.putItem(putItemRequest); System.out.println("Result: " + putItemResult);*/ // Scan items for movies with a year attribute greater than 1985 HashMap<String, Condition> scanFilter = new HashMap<String, Condition>(); Condition condition = new Condition().withComparisonOperator(ComparisonOperator.BEGINS_WITH) .withAttributeValueList(new AttributeValue().withS("Bill")); scanFilter.put("name", condition); ScanRequest scanRequest = new ScanRequest(tableName).withScanFilter(scanFilter); ScanResult scanResult = dynamoDB.scan(scanRequest); for (int i = 0; i < 2; i++) { System.out.println("Result: " + scanResult.getItems().get(i).get("year")); } } catch (AmazonServiceException ase) { System.out.println("Caught an AmazonServiceException, which means your request made it " + "to AWS, but was rejected with an error response for some reason."); System.out.println("Error Message: " + ase.getMessage()); System.out.println("HTTP Status Code: " + ase.getStatusCode()); System.out.println("AWS Error Code: " + ase.getErrorCode()); System.out.println("Error Type: " + ase.getErrorType()); System.out.println("Request ID: " + ase.getRequestId()); } catch (AmazonClientException ace) { System.out.println("Caught an AmazonClientException, which means the client encountered " + "a serious internal problem while trying to communicate with AWS, " + "such as not being able to access the network."); System.out.println("Error Message: " + ace.getMessage()); } }