Package org.yamcs.yarch.streamsql

Class ArgumentExpression

java.lang.Object

org.yamcs.yarch.streamsql.Expression

org.yamcs.yarch.streamsql.ArgumentExpression

All Implemented Interfaces:

CompiledExpression

public class ArgumentExpression
extends Expression
implements CompiledExpression

This corresponds to an ? argument passed to a query

Field Summary

Fields inherited from class org.yamcs.yarch.streamsql.Expression

children, constantValue, hasAggregates, inputDef, type

Constructor Summary

Constructors

Constructor	Description
ArgumentExpression(int n, Object value)

Method Summary

Modifier and Type	Method	Description
protected void	doBind()
void	fillCode_getValueReturn(StringBuilder code)
ColumnDefinition	getDefinition()
Object	getValue(Tuple tuple)

Methods inherited from class org.yamcs.yarch.streamsql.Expression

addFilter, bind, collectAggregates, collectRequiredInputs, compile, fillCode_Constructor, fillCode_Declarations, fillCode_getValueBody, fillCode_InputDefVars, getColumnName, getConstantValue, getType, isAggregate, isConstant, setArgs, setColumnName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ArgumentExpression

public ArgumentExpression(int n,
 Object value)

Method Details

doBind

protected void doBind()
               throws StreamSqlException

Specified by:

doBind in class Expression

Throws:

StreamSqlException

fillCode_getValueReturn

public void fillCode_getValueReturn(StringBuilder code)
                             throws StreamSqlException

Specified by:

fillCode_getValueReturn in class Expression

Throws:

StreamSqlException

getDefinition

public ColumnDefinition getDefinition()

Specified by:

getDefinition in interface CompiledExpression

getValue

public Object getValue(Tuple tuple)

Specified by:

getValue in interface CompiledExpression