org.camunda.bpm.engine.variable.impl.context

Class CompositeVariableContext

java.lang.Object

org.camunda.bpm.engine.variable.impl.context.CompositeVariableContext

All Implemented Interfaces:

VariableContext

public class CompositeVariableContext
extends Object
implements VariableContext

Author:

Daniel Meyer

Field Summary

Fields

Modifier and Type	Field and Description
protected VariableContext[]	delegateContexts

Constructor Summary

Constructors

Constructor and Description
CompositeVariableContext(VariableContext[] delegateContexts)

Method Summary

Modifier and Type	Method and Description
static CompositeVariableContext	compose(VariableContext... variableContexts)
boolean	containsVariable(String name) Checks whether a variable with the given name is resolve through this context.
Set<String>	keySet()
TypedValue	resolve(String variableName) Resolve a value in this context.

Methods inherited from class java.lang.Object

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

Field Detail

delegateContexts

protected final VariableContext[] delegateContexts

Constructor Detail

CompositeVariableContext

public CompositeVariableContext(VariableContext[] delegateContexts)

Method Detail

resolve

public TypedValue resolve(String variableName)

Description copied from interface: VariableContext

Resolve a value in this context.

Specified by:

resolve in interface VariableContext

Parameters:

variableName - the name of the variable to resolve.

Returns:

the value of the variable or null in case the variable does not exist.

containsVariable

public boolean containsVariable(String name)

Description copied from interface: VariableContext

Checks whether a variable with the given name is resolve through this context.

Specified by:

containsVariable in interface VariableContext

Parameters:

name - the name of the variable to check

Returns:

true if the variable is resolve.

keySet

public Set<String> keySet()

Specified by:

keySet in interface VariableContext

Returns:

a set of all variable names resolvable through this Context.

compose

public static CompositeVariableContext compose(VariableContext... variableContexts)