error dispaly
non-static variable map cannot be referenced from a static context
map.put("C_MKTSEGMENT", 2);
code
public Map<String, Integer> map = new HashMap<String, Integer>();
public static void main(String[] args) throws Exception {
map.put("C_MKTSEGMENT", 2);
ExecutionEnvironment env =
ExecutionEnvironment.getExecutionEnvironment();
DataSet<Customer3>
customers=env.readCsvFile("/home/hadoop/Desktop/Dataset/customer.csv")
.fieldDelimiter('|')
.includeFields("11000010").ignoreFirstLine()
.tupleType(Customer3.class);
customers = customers.filter(new FilterFunction<Customer3>()
{
@Override
public boolean filter(Customer3 c) {
Integer index1=map.get("C_MKTSEGMENT");
return c.getField(index1).equals("AUTOMOBILE");
}
});
customers.print();
customers.writeAsCsv("/home/hadoop/Desktop/Dataset/out1.csv", "\n",
"|",WriteMode.OVERWRITE);
env.execute("TPCH Query 3 Example");
}
when remove static from main method display error not found main method
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