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java.lang.Object antlr.BaseAST antlr.CommonAST org.hibernate.hql.ast.tree.Node org.hibernate.hql.ast.tree.SqlNode org.hibernate.hql.ast.tree.HqlSqlWalkerNode org.hibernate.hql.ast.tree.AbstractStatement org.hibernate.hql.ast.tree.AbstractRestrictableStatement org.hibernate.hql.ast.tree.QueryNode
public class QueryNode
Defines a top-level AST node representing an HQL select statement.
Field Summary |
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Fields inherited from class antlr.BaseAST |
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down, right |
Constructor Summary | |
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QueryNode()
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Method Summary | |
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String |
getAlias()
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Type |
getDataType()
Returns the data type of the select expression. |
FromElement |
getFromElement()
Returns the FROM element that this expression refers to. |
protected org.slf4j.Logger |
getLog()
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OrderByClause |
getOrderByClause()
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int |
getScalarColumnIndex()
Gets index of the select expression in the projection list. |
SelectClause |
getSelectClause()
Locate the select clause that is part of this select statement. |
int |
getStatementType()
Return the main token type representing the type of this statement. |
protected int |
getWhereClauseParentTokenType()
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boolean |
hasOrderByClause()
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boolean |
isConstructor()
Returns true if the element is a constructor (e.g. |
boolean |
isReturnableEntity()
Returns true if this select expression represents an entity that can be returned. |
boolean |
isScalar()
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boolean |
needsExecutor()
Does this statement require the StatementExecutor? |
void |
setAlias(String alias)
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void |
setScalarColumn(int i)
Sets the index and text for select expression in the projection list. |
void |
setScalarColumnText(int i)
Appends AST nodes that represent the columns after the current AST node. |
Methods inherited from class org.hibernate.hql.ast.tree.AbstractRestrictableStatement |
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getFromClause, getWhereClause, hasWhereClause, locateWhereClause |
Methods inherited from class org.hibernate.hql.ast.tree.AbstractStatement |
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getDisplayText |
Methods inherited from class org.hibernate.hql.ast.tree.HqlSqlWalkerNode |
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getAliasGenerator, getASTFactory, getSessionFactoryHelper, getWalker, initialize |
Methods inherited from class org.hibernate.hql.ast.tree.SqlNode |
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getOriginalText, setDataType, setText |
Methods inherited from class org.hibernate.hql.ast.tree.Node |
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getColumn, getFilename, getLine, getRenderText, getTextLength, initialize, initialize |
Methods inherited from class antlr.CommonAST |
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getText, getType, initialize, setType |
Methods inherited from class antlr.BaseAST |
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addChild, decode, encode, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getFirstChild, getNextSibling, getNumberOfChildren, getTokenNames, removeChildren, setFirstChild, setNextSibling, setVerboseStringConversion, toString, toStringList, toStringTree, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.hibernate.hql.ast.tree.SelectExpression |
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setText |
Methods inherited from interface org.hibernate.hql.ast.tree.Statement |
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getWalker |
Constructor Detail |
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public QueryNode()
Method Detail |
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public int getStatementType()
Statement
getStatementType
in interface Statement
Statement.getStatementType()
public boolean needsExecutor()
Statement
needsExecutor
in interface Statement
Statement.needsExecutor()
protected int getWhereClauseParentTokenType()
getWhereClauseParentTokenType
in class AbstractRestrictableStatement
protected org.slf4j.Logger getLog()
getLog
in class AbstractRestrictableStatement
public final SelectClause getSelectClause()
public final boolean hasOrderByClause()
public final OrderByClause getOrderByClause()
public String getAlias()
getAlias
in interface SelectExpression
public FromElement getFromElement()
SelectExpression
getFromElement
in interface SelectExpression
public boolean isConstructor()
SelectExpression
isConstructor
in interface SelectExpression
public boolean isReturnableEntity() throws antlr.SemanticException
SelectExpression
isReturnableEntity
in interface SelectExpression
antlr.SemanticException
public boolean isScalar() throws antlr.SemanticException
isScalar
in interface SelectExpression
antlr.SemanticException
public void setAlias(String alias)
setAlias
in interface SelectExpression
public void setScalarColumn(int i) throws antlr.SemanticException
SelectExpression
setScalarColumn
in interface SelectExpression
i
- The index of the select expression in the projection list.
antlr.SemanticException
public int getScalarColumnIndex()
SelectExpression
getScalarColumnIndex
in interface SelectExpression
public void setScalarColumnText(int i) throws antlr.SemanticException
SelectExpression
setScalarColumnText
in interface SelectExpression
i
- The index of the select expression in the projection list.
antlr.SemanticException
public Type getDataType()
SelectExpression
getDataType
in interface SelectExpression
getDataType
in class SqlNode
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