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Dashbuilder Dataset API shared between client and server.
/*
* Copyright 2014 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.dashbuilder.dataset.def;
/**
* A builder for defining static data sets
*
*
* DataSetDef dataSetDef = DataSetDefFactory.newCSVDataSetDef()
* .uuid("all_employees")
* .url("http://myhost.com/file.csv")
* .separatorChar(";")
* .label("name")
* .date("creationDate", "MM/dd/yyyy")
* .number("amount", "#.###,00")
* .buildDef();
*
*/
public interface CSVDataSetDefBuilder extends DataSetDefBuilder {
/**
* A valid CSV stream URL
*
* @param url A valid URL to a CSV stream
* @return The DataSetDefBuilder instance that is being used to configure a DataSetDef.
*/
T fileURL(String url);
/**
* The CSV file path
*
* @param path A valid path to a local file.
* @return The DataSetDefBuilder instance that is being used to configure a DataSetDef.
*/
T filePath(String path);
/**
* It tells the CSV provider whether to include all the columns in the CSV defintion or
* only those columns explicitly declared into the data set definition.
*
* @param all If tru all the CSV columns will be part of the data set (default true).
* @return The DataSetDefBuilder instance that is being used to configure a DataSetDef.
*/
T allColumns(boolean all);
/**
* Set the CSV column separator char.
*
* @param separator An string for separating columns
* @return The DataSetDefBuilder instance that is being used to configure a DataSetDef.
*/
T separatorChar(char separator);
/**
* Set the quote symbol.
*
* @param quote A char representing the quote symbol
* @return The DataSetDefBuilder instance that is being used to configure a DataSetDef.
*/
T quoteChar(char quote);
/**
* Set the escape char.
*
* @param escape The scape char
* @return The DataSetDefBuilder instance that is being used to configure a DataSetDef.
*/
T escapeChar(char escape);
/**
* Set the pattern for the specified date column.
*
* @param columnId The id of the column
* @param pattern The pattern of the column values. (See java.text.DateFormat)
* @see java.text.SimpleDateFormat
* @return The DataSetDefBuilder instance that is being used to configure a DataSetDef.
*/
T date(String columnId, String pattern);
/**
* Set the pattern for the specified numeric column.
*
* @param columnId The id of the column
* @param pattern The pattern of the column values. (See java.text.DecimalFormat)
* @see java.text.DecimalFormat
* @return The DataSetDefBuilder instance that is being used to configure a DataSetDef.
*/
T number(String columnId, String pattern);
/**
* Set the overall pattern used to read date columns.
*
* @param pattern The pattern of the column values. (See java.text.DateFormat)
* @see java.text.SimpleDateFormat
* @return The DataSetDefBuilder instance that is being used to configure a DataSetDef.
*/
T datePattern(String pattern);
/**
* Set the overall pattern used to read numeric columns.
*
* @param pattern The pattern of the column values. (See java.text.DecimalFormat)
* @see java.text.DecimalFormat
* @return The DataSetDefBuilder instance that is being used to configure a DataSetDef.
*/
T numberPattern(String pattern);
}
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