Package org.apache.openjpa.kernel.exps

Class QueryExpressions

  • All Implemented Interfaces:
    java.io.Serializable
    public class QueryExpressions
extends java.lang.Object
implements java.io.Serializable
    Struct to hold the state of a parsed expression query.
    Since:
    0.3.2
    Author:
    Abe White
    See Also:
    Serialized Form

    • Field Detail

      • EMPTY_VALUES

        public static final Value[] EMPTY_VALUES

      • distinct

        public int distinct

      • alias

        public java.lang.String alias

      • projections

        public Value[] projections

      • projectionClauses

        public java.lang.String[] projectionClauses

      • projectionAliases

        public java.lang.String[] projectionAliases

      • resultClass

        public java.lang.Class<?> resultClass

      • grouping

        public Value[] grouping

      • groupingClauses

        public java.lang.String[] groupingClauses

      • ordering

        public Value[] ordering

      • ascending

        public boolean[] ascending

      • orderingClauses

        public java.lang.String[] orderingClauses

      • orderingAliases

        public java.lang.String[] orderingAliases

      • parameterTypes

        public OrderedMap<java.lang.Object,​java.lang.Class<?>> parameterTypes

      • operation

        public int operation

      • fetchPaths

        public java.lang.String[] fetchPaths

      • fetchInnerPaths

        public java.lang.String[] fetchInnerPaths

      • range

        public Value[] range

      • state

        public java.lang.Object state

      • hasInExpression

        public boolean hasInExpression

    • Constructor Detail

      • QueryExpressions

        public QueryExpressions()

    • Method Detail

      • setContexts

        public void setContexts​(java.util.Stack<Context> contexts)
        Set reference to the JPQL query contexts.

      • ctx

        public Context ctx()
        Returns the current JPQL query context.

      • isAggregate

        public boolean isAggregate()
        Whether this is an aggregate results.

      • isDistinct

        public boolean isDistinct()

      • getParameterizedFields

        public java.util.List<FieldMetaData> getParameterizedFields()
        Gets the fields that are bound to parameters.
        Returns:
        empty if the query has no filtering condition or no parameters.

      • putUpdate

        public void putUpdate​(Path path,
                      Value val)
        Add an update.