Package org.qdl_lang.evaluate

Class SystemEvaluator.ReduceAll

java.lang.Object

org.qdl_lang.util.aggregate.AbstractIdentityStemProcess

org.qdl_lang.util.aggregate.IdentityScalarImpl

org.qdl_lang.evaluate.SystemEvaluator.ReduceAll

All Implemented Interfaces:

ProcessScalar, ProcessStemValues, Constants

Enclosing class:

SystemEvaluator

public static class SystemEvaluator.ReduceAll
extends IdentityScalarImpl

Field Summary

Fields inherited from interface org.qdl_lang.variables.Constants

ALL_INDICES_NAME, ALL_INDICES_TYPE, ARG_COUNT_TYPE, AXIS_RESTRICTION_NAME, AXIS_RESTRICTION_TYPE, BOOLEAN_NAME, BOOLEAN_TYPE, DECIMAL_NAME, DECIMAL_TYPE, DYADIC_FUNCTION_NAME, DYADIC_FUNCTION_TYPE, FUNCTION_NAME, FUNCTION_TYPE, INTEGER_TYPE, LIST_NAME, LIST_TYPE, LONG_NAME, LONG_TYPE, MODULE_NAME, MODULE_TYPE, NULL_NAME, NULL_TYPE, SET_NAME, SET_TYPE, STEM_NAME, STEM_TYPE, STRING_NAME, STRING_TYPE, UNKNOWN_NAME, UNKNOWN_TYPE

Constructor Summary

Constructors

Constructor	Description
ReduceAll(ExpressionImpl f, State state)

Method Summary

Modifier and Type	Method	Description
Object	getDefaultValue(List<Object> index, Object key, Object value)	This is what makes this the identity function.

Methods inherited from class org.qdl_lang.util.aggregate.IdentityScalarImpl

getDefaultValue, process, process, process, process, process, process, process, process

Methods inherited from class org.qdl_lang.util.aggregate.AbstractIdentityStemProcess

process, process, process, process, process, process, process, process, process

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.qdl_lang.util.aggregate.ProcessStemValues

process, process, process, process, process, process, process, process, process

Constructor Detail

ReduceAll

public ReduceAll(ExpressionImpl f,
                 State state)

Method Detail

getDefaultValue

public Object getDefaultValue(List<Object> index,
                              Object key,
                              Object value)

Description copied from class: AbstractIdentityStemProcess

This is what makes this the identity function. If you want/need a different default value for each call, override this.

Overrides:

getDefaultValue in class AbstractIdentityStemProcess

Returns: