com.healthmarketscience.jackcess.impl

Class CalcColEvalContext

java.lang.Object

com.healthmarketscience.jackcess.impl.BaseEvalContext

com.healthmarketscience.jackcess.impl.RowEvalContext

com.healthmarketscience.jackcess.impl.CalcColEvalContext

All Implemented Interfaces:

EvalContext

public class CalcColEvalContext
extends RowEvalContext

Author:

James Ahlborn

Constructor Summary

Constructors

Constructor and Description
CalcColEvalContext(ColumnImpl col)

Method Summary

Modifier and Type	Method and Description
Object	eval(Object[] row)
Value.Type	getResultType()
protected TableImpl	getTable()
protected String	withErrorContext(String msg)

Methods inherited from class com.healthmarketscience.jackcess.impl.RowEvalContext

getIdentifierValue, reset, setRow

Methods inherited from class com.healthmarketscience.jackcess.impl.BaseEvalContext

collectIdentifiers, createDateFormat, eval, get, getBindings, getDatabase, getRandom, getTemporalConfig, getThisColumnValue, put, toString, toValue, toValueType

Methods inherited from class java.lang.Object

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

Constructor Detail

CalcColEvalContext

public CalcColEvalContext(ColumnImpl col)

Method Detail

getTable

protected TableImpl getTable()

Specified by:

getTable in class RowEvalContext

getResultType

public Value.Type getResultType()

Specified by:

getResultType in interface EvalContext

Overrides:

getResultType in class BaseEvalContext

Returns:

the expected type of the result value for the current expression evaluation (for "default value" and "calculated" expressions)

eval

public Object eval(Object[] row)
            throws IOException

Throws:

IOException

withErrorContext

protected String withErrorContext(String msg)

Specified by:

withErrorContext in class BaseEvalContext