Class EJBQLTranslationContext
- java.lang.Object
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- org.apache.cayenne.access.translator.ejbql.EJBQLTranslationContext
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public class EJBQLTranslationContext extends Object
A context used for translating of EJBQL to SQL.- Since:
- 3.0
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Field Summary
Fields Modifier and Type Field Description protected Map<String,Object>
namedParameters
protected Map<Integer,Object>
positionalParameters
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Constructor Summary
Constructors Constructor Description EJBQLTranslationContext(EntityResolver entityResolver, EJBQLQuery query, EJBQLCompiledExpression compiledExpression, EJBQLTranslatorFactory translatorFactory, QuotingStrategy quotingStrategy)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description EJBQLTranslationContext
append(char chunk)
Appends a piece of SQL to the internal buffer.EJBQLTranslationContext
append(String chunk)
Appends a piece of SQL to the internal buffer.ClassDescriptor
getEntityDescriptor(String id)
Looks up entity descriptor for an identifier that can be a compiled expression id or one of the aliases.QueryMetadata
getMetadata()
SQLTemplate
getQuery()
QuotingStrategy
getQuotingStrategy()
protected String
getTableAlias(String idPath, String tableName)
Retrieves a SQL alias for the combination of EJBQL id variable and a table name.boolean
isAppendingResultColumns()
boolean
isCaseInsensitive()
boolean
isUsingAliases()
String
makeDistinctMarker()
void
onSubselect()
void
pushMarker(String marker, boolean reset)
Switches the current buffer to a marked buffer, pushing the currently used buffer on the stack.void
setCaseInsensitive(boolean caseInsensitive)
void
setUsingAliases(boolean useAliases)
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Constructor Detail
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EJBQLTranslationContext
public EJBQLTranslationContext(EntityResolver entityResolver, EJBQLQuery query, EJBQLCompiledExpression compiledExpression, EJBQLTranslatorFactory translatorFactory, QuotingStrategy quotingStrategy)
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Method Detail
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getQuery
public SQLTemplate getQuery()
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getMetadata
public QueryMetadata getMetadata()
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getEntityDescriptor
public ClassDescriptor getEntityDescriptor(String id)
Looks up entity descriptor for an identifier that can be a compiled expression id or one of the aliases.
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pushMarker
public void pushMarker(String marker, boolean reset)
Switches the current buffer to a marked buffer, pushing the currently used buffer on the stack. Note that this can be done even before the marker is inserted in the main buffer. If "reset" is true, any previous contents of the marker are cleared.
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append
public EJBQLTranslationContext append(String chunk)
Appends a piece of SQL to the internal buffer.
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append
public EJBQLTranslationContext append(char chunk)
Appends a piece of SQL to the internal buffer.
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getTableAlias
protected String getTableAlias(String idPath, String tableName)
Retrieves a SQL alias for the combination of EJBQL id variable and a table name. If such alias hasn't been used, it is created on the fly.
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isAppendingResultColumns
public boolean isAppendingResultColumns()
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isUsingAliases
public boolean isUsingAliases()
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setUsingAliases
public void setUsingAliases(boolean useAliases)
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isCaseInsensitive
public boolean isCaseInsensitive()
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setCaseInsensitive
public void setCaseInsensitive(boolean caseInsensitive)
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getQuotingStrategy
public QuotingStrategy getQuotingStrategy()
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onSubselect
public void onSubselect()
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makeDistinctMarker
public String makeDistinctMarker()
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