org.argeo.slc.core.execution

Class DefaultExecutionStack

java.lang.Object

org.argeo.slc.core.execution.DefaultExecutionStack

All Implemented Interfaces:

ExecutionStack

public class DefaultExecutionStack
extends java.lang.Object
implements ExecutionStack

Canonical implementation of an execution stack.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	DefaultExecutionStack.ExecutionFlowRuntime

Constructor Summary

Constructors

Constructor and Description
DefaultExecutionStack()

Method Summary

Modifier and Type	Method and Description
void	addScopedObject(java.lang.String name, java.lang.Object obj)
void	enterFlow(ExecutionFlow executionFlow)
java.lang.Object	findLocalVariable(java.lang.String key) Looks for a set variable in the stack, starting at the upper flows
java.lang.Object	findScopedObject(java.lang.String name)
java.lang.String	getCurrentStackLevelUuid()
java.lang.Integer	getStackSize()
void	leaveFlow(ExecutionFlow executionFlow)

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultExecutionStack

public DefaultExecutionStack()

Method Detail

enterFlow

public void enterFlow(ExecutionFlow executionFlow)

Specified by:

enterFlow in interface ExecutionStack

getCurrentStackLevelUuid

public java.lang.String getCurrentStackLevelUuid()

Specified by:

getCurrentStackLevelUuid in interface ExecutionStack

Returns:

internal stack level UUID.

getStackSize

public java.lang.Integer getStackSize()

Specified by:

getStackSize in interface ExecutionStack

findLocalVariable

public java.lang.Object findLocalVariable(java.lang.String key)

Looks for a set variable in the stack, starting at the upper flows

Specified by:

findLocalVariable in interface ExecutionStack

Returns:

the variable or null if not found

leaveFlow

public void leaveFlow(ExecutionFlow executionFlow)

Specified by:

leaveFlow in interface ExecutionStack

addScopedObject

public void addScopedObject(java.lang.String name,
                            java.lang.Object obj)

Specified by:

addScopedObject in interface ExecutionStack

findScopedObject

public java.lang.Object findScopedObject(java.lang.String name)

Specified by:

findScopedObject in interface ExecutionStack

Returns:

null if not found