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make time column configurable

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Adding the header of the time column to the
CsvReaderSettings. This is necessary to parse
arbitrary CSV files.
This commit is contained in:
Andreas Huber
2019-12-09 18:59:48 +01:00
parent d383134c42
commit 394e16ad27
5 changed files with 34 additions and 18 deletions
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29
pdb-ui/src/main/java/org/lucares/pdbui/CsvReaderSettings.java
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@@ -12,30 +12,45 @@ public class CsvReaderSettings {
private Set<String> ignoreColumnNames = new HashSet<String>();
private String timeColumn;
public CsvReaderSettings() {
separator = ',';
timeColumn = "@timestamp";
}
private CsvReaderSettings(final byte separator, final Collection<String> ignoreColumns) {
private CsvReaderSettings(final String timeColumn, final byte separator, final Collection<String> ignoreColumns) {
this.timeColumn = timeColumn;
this.separator = separator;
this.ignoreColumnNames.addAll(ignoreColumns);
}
public static CsvReaderSettings create(final byte separator, final String... ignoreColumnNames) {
return new CsvReaderSettings(separator, List.of(ignoreColumnNames));
public static CsvReaderSettings create(final String timeColumn, final byte separator,
final String... ignoreColumnNames) {
return new CsvReaderSettings(timeColumn, separator, List.of(ignoreColumnNames));
}
public static CsvReaderSettings create(final char separator, final String... ignoreColumnNames) {
return CsvReaderSettings.create(separator, List.of(ignoreColumnNames));
public static CsvReaderSettings create(final String timeColumn, final char separator,
final String... ignoreColumnNames) {
return CsvReaderSettings.create(timeColumn, separator, List.of(ignoreColumnNames));
}
public static CsvReaderSettings create(final char separator, final Collection<String> ignoreColumnNames) {
public static CsvReaderSettings create(final String timeColumn, final char separator,
final Collection<String> ignoreColumnNames) {
Preconditions.checkTrue(separator == (byte) separator,
"Only separators that fulfill separator == (byte)separator are supported. "
+ "This restriction is because the parsing algorithm skips the overhead of "
+ "translating bytes to characters.");
return new CsvReaderSettings((byte) separator, ignoreColumnNames);
return new CsvReaderSettings(timeColumn, (byte) separator, ignoreColumnNames);
}
public String getTimeColumn() {
return timeColumn;
}
public void setTimeColumn(final String timeColumn) {
this.timeColumn = timeColumn;
}
public byte getSeparator() {