Package org.bonitasoft.engine.expression.impl

Class XPathReadExpressionExecutorStrategy

java.lang.Object

org.bonitasoft.engine.expression.impl.XPathReadExpressionExecutorStrategy

All Implemented Interfaces:

ExpressionExecutorStrategy

public class XPathReadExpressionExecutorStrategy
extends Object
implements ExpressionExecutorStrategy

Supported return types are:

• java.lang.String
• java.lang.Double
• java.lang.Boolean
• java.lang.Long
• java.lang.Integer
• java.lang.Float
• org.w3c.dom.Node
• org.w3c.dom.NodeList

Author:

Emmanuel Duchastenier, Matthieu Chaffotte, Celine Souchet

Field Summary

Fields inherited from interface org.bonitasoft.engine.expression.ExpressionExecutorStrategy

CONTAINER_ID_KEY, CONTAINER_TYPE_KEY, DEFINITION_ID, INTERPRETER_GROOVY, KIND_BUSINESS_DATA, KIND_BUSINESS_DATA_REFERENCE, KIND_BUSINESS_OBJECT_DAO, KIND_CONSTANT, KIND_CONTRACT_INPUT, KIND_DOCUMENT, KIND_DOCUMENT_LIST, KIND_ENGINE_CONSTANT, KIND_INPUT, KIND_JAVA_METHOD_CALL, KIND_LIST, KIND_PARAMETER, KIND_PATTERN, KIND_QUERY_BUSINESS_DATA, KIND_READ_ONLY_CONDITION_SCRIPT_GROOVY, KIND_READ_ONLY_SCRIPT_GROOVY, KIND_TRANSIENT_VARIABLE, KIND_VARIABLE, KIND_XPATH_READ, NO_DEPENDENCY_EXPRESSION_EVALUATION_ORDER, TYPE_BUSINESS_DATA, TYPE_BUSINESS_DATA_REFERENCE, TYPE_BUSINESS_OBJECT_DAO, TYPE_CONSTANT, TYPE_CONTRACT_INPUT, TYPE_DOCUMENT, TYPE_DOCUMENT_LIST, TYPE_ENGINE_CONSTANT, TYPE_INPUT, TYPE_JAVA_METHOD_CALL, TYPE_LIST, TYPE_PARAMETER, TYPE_PATTERN, TYPE_QUERY_BUSINESS_DATA, TYPE_READ_ONLY_CONDITION_SCRIPT, TYPE_READ_ONLY_SCRIPT, TYPE_TRANSIENT_VARIABLE, TYPE_VARIABLE, TYPE_XPATH_READ

Constructor Summary

Constructors

Constructor	Description
XPathReadExpressionExecutorStrategy()

Method Summary

Modifier and Type	Method	Description
List<Object>	evaluate(List<SExpression> expressions, Map<String,Object> context, Map<Integer,Object> resolvedExpressions, ContainerState containerState)
Object	evaluate(SExpression expression, Map<String,Object> context, Map<Integer,Object> resolvedExpressions, ContainerState containerState)
ExpressionKind	getExpressionKind()
boolean	mustPutEvaluatedExpressionInContext()	Should we put the evaluated expressions of this strategy in the evaluation context?
void	validate(SExpression expression)	Validate the expression, an exception is thrown it is invalid

Methods inherited from class java.lang.Object

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

Constructor Details

XPathReadExpressionExecutorStrategy

public XPathReadExpressionExecutorStrategy()

Method Details

evaluate

public Object evaluate(SExpression expression,
 Map<String,Object> context,
 Map<Integer,Object> resolvedExpressions,
 ContainerState containerState)
                throws SExpressionEvaluationException,
SExpressionDependencyMissingException

Specified by:

evaluate in interface ExpressionExecutorStrategy

Parameters:

expression - the expression to evaluate

context - map containing the result of the evaluation of dependencies and also informations about the context of evaluation given by ExpressionExecutorStrategy.CONTAINER_ID_KEY and ExpressionExecutorStrategy.CONTAINER_TYPE_KEY

Returns:

the result of the evaluation of the expression of appropriate type

Throws:

SExpressionEvaluationException

SExpressionDependencyMissingException

validate

public void validate(SExpression expression)
              throws SInvalidExpressionException

Description copied from interface: ExpressionExecutorStrategy

Validate the expression, an exception is thrown it is invalid

Specified by:

validate in interface ExpressionExecutorStrategy

Parameters:

expression - the expression to validate

Throws:

SInvalidExpressionException - if the exception is invalid

getExpressionKind

public ExpressionKind getExpressionKind()

Specified by:

getExpressionKind in interface ExpressionExecutorStrategy

evaluate

public List<Object> evaluate(List<SExpression> expressions,
 Map<String,Object> context,
 Map<Integer,Object> resolvedExpressions,
 ContainerState containerState)
                      throws SExpressionEvaluationException,
SExpressionDependencyMissingException

Specified by:

evaluate in interface ExpressionExecutorStrategy

Throws:

SExpressionEvaluationException

SExpressionDependencyMissingException

mustPutEvaluatedExpressionInContext

public boolean mustPutEvaluatedExpressionInContext()

Description copied from interface: ExpressionExecutorStrategy

Should we put the evaluated expressions of this strategy in the evaluation context?

Specified by:

mustPutEvaluatedExpressionInContext in interface ExpressionExecutorStrategy