Package org.eclipse.equinox.p2.metadata.expression

package org.eclipse.equinox.p2.metadata.expression
Provides a simple expression language used to represent requirements and filters in the metadada

Package Specification

This package defines a simple expression language that is used to define requirements and filters in the metadata, but also form the base of the p2 query language.

Since:
2.0
  • Class
    Description
    ExpressionParseException
    An exception used by an expression parser that indicates that something went wrong when parsing.
    ExpressionUtil
    Global access to factory, parser, and methods for introspection
    IContextExpression<T>
    This is an expression that will need access to the global variable everything.
    IEvaluationContext
    The evaluation context.
    IExpression
    A node in the expression tree
    IExpressionFactory
    This interface provides all the factory methods needed to create the nodes of the expression tree.
    IExpressionParser
    A parser that produces an expression tree based on a string representation.
    IExpressionVisitor
    A general purpose visitor that will visit each node in an expression tree.
    IFilterExpression
    An interface that combines the IExpression with the LDAP filter.
    IMatchExpression<T>
    A match expression is a boolean expression matching a candidate of a specific type.
    IMemberProvider
    This interface may be implemented by any class that wants to provide easy (high performance) access to its member to the expression evaluator.
    SimplePattern
    A simple compiled pattern.