com.alibaba.qlexpress4.runtime.context

Interface ExpressContext

All Known Implementing Classes:

DynamicVariableContext, EmptyContext, MapExpressContext, ObjectFieldExpressContext, QLAliasContext

public interface ExpressContext

Author: DQinYuan

Field Summary

Fields

Modifier and Type	Field and Description
static ExpressContext	EMPTY_CONTEXT

Method Summary

Modifier and Type	Method and Description
Value	get(java.util.Map<java.lang.String,java.lang.Object> attachments, java.lang.String variableName)

Field Detail

EMPTY_CONTEXT

static final ExpressContext EMPTY_CONTEXT

Method Detail

get

Value get(java.util.Map<java.lang.String,java.lang.Object> attachments,
          java.lang.String variableName)