org.datanucleus.store.ldap.query

Class QueryToLDAPFilterMapper

java.lang.Object

org.datanucleus.query.evaluator.AbstractExpressionEvaluator

org.datanucleus.store.ldap.query.QueryToLDAPFilterMapper

All Implemented Interfaces:

org.datanucleus.query.expression.ExpressionEvaluator

public class QueryToLDAPFilterMapper
extends org.datanucleus.query.evaluator.AbstractExpressionEvaluator

Class which maps a compiled query to an LDAP filter. Utilizes the filter of the java query and adds them to the underlying LDAP filter. All other components are not handled here and instead processed by the in-memory evaluator.

Constructor Summary

Constructors

Constructor and Description
QueryToLDAPFilterMapper(org.datanucleus.query.compiler.QueryCompilation compilation, Map parameters, org.datanucleus.metadata.AbstractClassMetaData acmd) Constructor.

Method Summary

Modifier and Type	Method and Description
String	compile() Compiles the query and returns the mapped LDAP filter.
protected Object	processAndExpression(org.datanucleus.query.expression.Expression expr)
protected Object	processEqExpression(org.datanucleus.query.expression.Expression expr)
protected Object	processGteqExpression(org.datanucleus.query.expression.Expression expr)
protected Object	processGtExpression(org.datanucleus.query.expression.Expression expr)
protected Object	processInvokeExpression(org.datanucleus.query.expression.InvokeExpression expr)
protected Object	processLiteral(org.datanucleus.query.expression.Literal expr)
protected Object	processLteqExpression(org.datanucleus.query.expression.Expression expr)
protected Object	processLtExpression(org.datanucleus.query.expression.Expression expr)
protected Object	processNoteqExpression(org.datanucleus.query.expression.Expression expr)
protected Object	processOrExpression(org.datanucleus.query.expression.Expression expr)
protected Object	processParameterExpression(org.datanucleus.query.expression.ParameterExpression expr)
protected Object	processPrimaryExpression(org.datanucleus.query.expression.PrimaryExpression expr)

Methods inherited from class org.datanucleus.query.evaluator.AbstractExpressionEvaluator

compileAdditiveMultiplicativeExpression, compileOrAndExpression, compilePrimaryExpression, compileRelationalExpression, compileUnaryExpression, evaluate, processAddExpression, processBitAndExpression, processBitOrExpression, processBitXorExpression, processCaseExpression, processCastExpression, processComExpression, processCreatorExpression, processDistinctExpression, processDivExpression, processInExpression, processIsExpression, processIsnotExpression, processLikeExpression, processModExpression, processMulExpression, processNegExpression, processNotExpression, processNotInExpression, processSubExpression, processSubqueryExpression, processVariableExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryToLDAPFilterMapper

public QueryToLDAPFilterMapper(org.datanucleus.query.compiler.QueryCompilation compilation,
                               Map parameters,
                               org.datanucleus.metadata.AbstractClassMetaData acmd)

Constructor.

Parameters:

compilation - The generic query compilation

parameters - Parameters needed

acmd - Metadata for the candidate

Method Detail

compile

public String compile()

Compiles the query and returns the mapped LDAP filter.

Returns:

the mapped LDAP filter or null if no filter

processOrExpression

protected Object processOrExpression(org.datanucleus.query.expression.Expression expr)

Overrides:

processOrExpression in class org.datanucleus.query.evaluator.AbstractExpressionEvaluator

processAndExpression

protected Object processAndExpression(org.datanucleus.query.expression.Expression expr)

Overrides:

processAndExpression in class org.datanucleus.query.evaluator.AbstractExpressionEvaluator

processEqExpression

protected Object processEqExpression(org.datanucleus.query.expression.Expression expr)

Overrides:

processEqExpression in class org.datanucleus.query.evaluator.AbstractExpressionEvaluator

processNoteqExpression

protected Object processNoteqExpression(org.datanucleus.query.expression.Expression expr)

Overrides:

processNoteqExpression in class org.datanucleus.query.evaluator.AbstractExpressionEvaluator

processLtExpression

protected Object processLtExpression(org.datanucleus.query.expression.Expression expr)

Overrides:

processLtExpression in class org.datanucleus.query.evaluator.AbstractExpressionEvaluator

processLteqExpression

protected Object processLteqExpression(org.datanucleus.query.expression.Expression expr)

Overrides:

processLteqExpression in class org.datanucleus.query.evaluator.AbstractExpressionEvaluator

processGtExpression

protected Object processGtExpression(org.datanucleus.query.expression.Expression expr)

Overrides:

processGtExpression in class org.datanucleus.query.evaluator.AbstractExpressionEvaluator

processGteqExpression

protected Object processGteqExpression(org.datanucleus.query.expression.Expression expr)

Overrides:

processGteqExpression in class org.datanucleus.query.evaluator.AbstractExpressionEvaluator

processPrimaryExpression

protected Object processPrimaryExpression(org.datanucleus.query.expression.PrimaryExpression expr)

Overrides:

processPrimaryExpression in class org.datanucleus.query.evaluator.AbstractExpressionEvaluator

processLiteral

protected Object processLiteral(org.datanucleus.query.expression.Literal expr)

Overrides:

processLiteral in class org.datanucleus.query.evaluator.AbstractExpressionEvaluator

processParameterExpression

protected Object processParameterExpression(org.datanucleus.query.expression.ParameterExpression expr)

Overrides:

processParameterExpression in class org.datanucleus.query.evaluator.AbstractExpressionEvaluator

processInvokeExpression

protected Object processInvokeExpression(org.datanucleus.query.expression.InvokeExpression expr)

Overrides:

processInvokeExpression in class org.datanucleus.query.evaluator.AbstractExpressionEvaluator