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The messaging and data conversion protocol between Java and DolphinDB server
package com.xxdb.data;
import java.io.IOException;
import java.util.List;
import com.xxdb.io.ExtendedDataInput;
import com.xxdb.io.ExtendedDataOutput;
/**
*
* Corresponds to DolphinDB string matrix
*
*/
public class BasicStringMatrix extends AbstractMatrix{
private String[] values;
private boolean isSymbol;
public BasicStringMatrix(int rows, int columns){
super(rows, columns);
values = new String[rows * columns];
isSymbol = true;
}
public BasicStringMatrix(int rows, int columns, List list) throws Exception {
super(rows,columns);
values = new String[rows*columns];
if (list == null || list.size() != columns)
throw new Exception("input list of arrays does not have " + columns + " columns");
for (int i=0; i getElementClass(){
return BasicString.class;
}
@Override
protected void readMatrixFromInputStream(int rows, int columns, ExtendedDataInput in) throws IOException{
int size = rows * columns;
values =new String[size];
for(int i=0; i