remove obsolete classes and methods

performanceDb/src/main/java/org/lucares/performance/db/ByteType.java

@@ -1,90 +0,0 @@
-package org.lucares.performance.db;
-
-enum ByteType {
-
-	CONTINUATION(ContinuationByte.CONTINUATION_BYTE_PREFIX), // 10000000
-
-	DATE_INCREMENT(1 << 6), // 01000000
-
-	MEASUREMENT(1 << 5), // 00100000
-
-	DATE_OFFSET(1 << 4), // 00010000
-
-	VERSION(1);// 00000001
-
-	interface ContinuationByte {
-		int NUMBER_OF_VALUES_BITS = 7;
-
-		int CONTINUATION_BYTE_PREFIX = 1 << NUMBER_OF_VALUES_BITS; // 10000000
-	}
-
-	interface VersionByte {
-		/**
-		 * The version uses at least two bytes. The first byte is the prefix
-		 * which cannot hold any value (unless it is 0). And the second byte is
-		 * the actual value.
-		 */
-		int MIN_LENGTH = 2;
-	}
-
-	private final int firstBytePrefix;
-	private final int firstByteMaxValue;
-
-	private ByteType(final int firstBytePrefix) {
-		this.firstBytePrefix = firstBytePrefix;
-		firstByteMaxValue = firstBytePrefix-1;
-	}
-
-	public int getBytePrefix() {
-		return firstBytePrefix;
-	}
-
-	public byte getBytePrefixAsByte() {
-		return (byte) firstBytePrefix;
-	}
-
-	/**
-	 * the max value for the first byte is the prefix minus 1, because prefixes
-	 * start with 0⋯010⋯0, so prefix -1 is 0⋯01⋯1 which is exactly the max value
-	 *
-	 * @return the maximum value for the first byte of this sequence
-	 */
-	public long getFirstByteMaxValue() {
-		return firstByteMaxValue;
-	}
-
-	/**
-	 * the value bits are the prefix minus 1, because prefixes start with
-	 * 0⋯010⋯0, so prefix -1 is 0⋯01⋯1 which exactly represents the value bits.
-	 *
-	 * @return bitmap with the value bits set
-	 */
-	public int getValueBits() {
-		return firstBytePrefix - 1;
-	}
-
-	public boolean isValid(final int theByte) {
-
-		final long prefixBits = getPrefixBits();
-
-		return firstBytePrefix == (theByte & prefixBits);
-	}
-
-	public int getPrefixBits() {
-		return (~getValueBits()) & 0xff;
-	}
-
-	public static ByteType getType(final int aByte) {
-
-		for (final ByteType byteType : values()) {
-			if (byteType.isValid(aByte)) {
-				return byteType;
-			}
-		}
-		return null;
-	}
-
-	public int getValue(final int aByte) {
-		return aByte & getValueBits();
-	}
-}

performanceDb/src/main/java/org/lucares/performance/db/PdbWriterByTimeAsc.java

@@ -1,18 +0,0 @@
-package org.lucares.performance.db;
-
-import java.util.Comparator;
-
-public class PdbWriterByTimeAsc implements Comparator<PdbWriter> {
-
-	public static final PdbWriterByTimeAsc INSTANCE = new PdbWriterByTimeAsc();
-	public static final Comparator<PdbWriter> REVERSED = INSTANCE.reversed();
-
-	@Override
-	public int compare(final PdbWriter o1, final PdbWriter o2) {
-
-		final long o1From = o1.getDateOffsetAsEpochMilli();
-		final long o2From = o2.getDateOffsetAsEpochMilli();
-		return Long.compare(o1From, o2From);
-	}
-
-}

performanceDb/src/test/java/org/lucares/performance/db/DateUtils.java

@@ -1,6 +1,5 @@
 package org.lucares.performance.db;
 
-import java.time.Instant;
 import java.time.OffsetDateTime;
 import java.time.ZoneOffset;
 
@@ -16,8 +15,4 @@ public class DateUtils {
 	public static OffsetDateTime nowInUtc() {
 		return OffsetDateTime.now(ZoneOffset.UTC);
 	}
-
-	public static OffsetDateTime epochMilliInUTC(final long lastEpochMilli) {
-		return OffsetDateTime.ofInstant(Instant.ofEpochMilli(lastEpochMilli), ZoneOffset.UTC);
-	}
 }