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## com.bea.p13n.content
Class RulesContentQuery

    java.lang.Object
      com.bea.p13n.content.ContentQueryBase
          com.bea.p13n.content.RulesContentQuery

public class RulesContentQuery
extends ContentQueryBase

A utility class to construct a content query string expression from a ContentQueryNode from the rules engine.

This will no longer always fill-out an expression with user/request/session properties. If a PropertyProvider instance is passed into the constructor, the resulting expression will always contain only literal values; otherwise, the resulting expression will contain property references as needed and ExpressionHelper.realize() can be used.

See Also:
  `ExpressionHelper`

Field Summary

Fields inherited from class com.bea.p13n.content.ContentQueryBase
`dateFormat, dateFormatStr, EMPTY_PROP_PROVIDER, STRING_CONTAINS, TYPE_BOOLEAN, TYPE_DATE, TYPE_DOUBLE, TYPE_LONG, TYPE_STRING`

Constructor Summary
`RulesContentQuery()`
`RulesContentQuery(PropertyProvider pp)`
`RulesContentQuery(PropertyProvider pp, boolean doOnlyEventProperties)` Constructor.

Method Summary
`String` | `createExpression(ContentQueryNode root)` Return a String representing the content expression specified in the ContentQueryNode.
`Expression` | `createExpressionTree(ContentQueryNode root)` Return the content Expression representing the content expression specified in the ContentQueryNode.

Methods inherited from class com.bea.p13n.content.ContentQueryBase
`getISO8601Date, getLogic, getOperator, getType, getValueAsType`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### RulesContentQuery

    public RulesContentQuery()

### RulesContentQuery

    public RulesContentQuery(PropertyProvider pp)

### RulesContentQuery

    public RulesContentQuery(PropertyProvider pp,
                             boolean doOnlyEventProperties)

  Constructor.

Method Detail

### createExpression

    public String createExpression(ContentQueryNode root)
                            throws IllegalArgumentException

  Return a String representing the content expression specified in the ContentQueryNode.

  Parameters:
    `root` - The top of the ContentQueryNode tree.
  Returns:
    a string representing the query.
  Throws:
    `IllegalArgument` - if the content of the passed in XML tree is invalid
    `IllegalArgumentException`

### createExpressionTree

    public Expression createExpressionTree(ContentQueryNode root)
                                    throws IllegalArgumentException

  Return the content Expression representing the content expression specified in the ContentQueryNode.

  Parameters:
    `root` - The top of the ContentQueryNode tree.
  Returns:
    a string representing the query.
  Throws:
    `IllegalArgument` - if the content of the passed in XML tree is invalid
    `IllegalArgumentException`

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Copyright © 2004 BEA Systems, Inc. All Rights Reserved