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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.predicate.serialization;
import com.yahoo.search.predicate.PredicateIndex;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Misc utility functions to help serialization of {@link PredicateIndex}.
*
* @author bjorncs
*/
public class SerializationHelper {
public static void writeIntArray(int[] array, DataOutputStream out) throws IOException {
out.writeInt(array.length);
for (int v : array) {
out.writeInt(v);
}
}
public static int[] readIntArray(DataInputStream in) throws IOException {
int length = in.readInt();
int[] array = new int[length];
for (int i = 0; i < length; i++) {
array[i] = in.readInt();
}
return array;
}
public static void writeByteArray(byte[] array, DataOutputStream out) throws IOException {
out.writeInt(array.length);
for (int v : array) {
out.writeByte(v);
}
}
public static byte[] readByteArray(DataInputStream in) throws IOException {
int length = in.readInt();
byte[] array = new byte[length];
for (int i = 0; i < length; i++) {
array[i] = in.readByte();
}
return array;
}
public static void writeLongArray(long[] array, DataOutputStream out) throws IOException {
out.writeInt(array.length);
for (long v : array) {
out.writeLong(v);
}
}
public static long[] readLongArray(DataInputStream in) throws IOException {
int length = in.readInt();
long[] array = new long[length];
for (int i = 0; i < length; i++) {
array[i] = in.readLong();
}
return array;
}
public static void writeShortArray(short[] array, DataOutputStream out) throws IOException {
out.writeInt(array.length);
for (short v : array) {
out.writeShort(v);
}
}
public static short[] readShortArray(DataInputStream in) throws IOException {
int length = in.readInt();
short[] array = new short[length];
for (int i = 0; i < length; i++) {
array[i] = in.readShort();
}
return array;
}
}
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