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java.lang.Objectcom.caucho.amber.expr.AbstractAmberExpr
com.caucho.amber.expr.AmberColumnExpr
public class AmberColumnExpr
Bound identifier expression.
Field Summary | |
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protected FromItem |
_fromItem
|
protected PathExpr |
_parent
|
Fields inherited from interface com.caucho.amber.expr.AmberExpr |
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IS_INNER_JOIN, USES_DATA |
Constructor Summary | |
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AmberColumnExpr(PathExpr parent,
AmberColumn column)
Creates a new unbound id expression. |
Method Summary | |
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AmberExpr |
bindSelect(QueryParser parser)
Binds the expression as a select item. |
AmberExpr |
createBoolean()
Returns a boolean expression. |
void |
generateHaving(CharBuffer cb)
Generates the having expression. |
void |
generateUpdateWhere(CharBuffer cb)
Generates the (update) where expression. |
void |
generateWhere(CharBuffer cb)
Generates the where expression. |
AmberColumn |
getColumn()
Returns the name. |
PathExpr |
getParent()
Returns the parent. |
AmberType |
getType()
Returns the expr type. |
boolean |
hasRelationship()
Returns true if this expr has any relationship. |
AmberExpr |
replaceJoin(JoinExpr join)
Replaces linked join to eliminate a table. |
java.lang.String |
toString()
|
boolean |
usesFrom(FromItem from,
int type,
boolean isNot)
Returns true if the expression uses the from item. |
Methods inherited from class com.caucho.amber.expr.AbstractAmberExpr |
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exists, exists, findItem, generateJoin, generateSelect, getCacheObject, getColumnCount, getObject, isBoolean, setInternalArgType, usesFrom |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected PathExpr _parent
protected FromItem _fromItem
Constructor Detail |
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public AmberColumnExpr(PathExpr parent, AmberColumn column)
Method Detail |
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public PathExpr getParent()
public AmberColumn getColumn()
public AmberType getType()
getType
in interface AmberExpr
getType
in class AbstractAmberExpr
public boolean hasRelationship()
hasRelationship
in interface AmberExpr
hasRelationship
in class AbstractAmberExpr
public AmberExpr createBoolean() throws QueryParseException
createBoolean
in interface AmberExpr
createBoolean
in class AbstractAmberExpr
QueryParseException
public AmberExpr bindSelect(QueryParser parser)
bindSelect
in interface AmberExpr
bindSelect
in class AbstractAmberExpr
public boolean usesFrom(FromItem from, int type, boolean isNot)
usesFrom
in interface AmberExpr
usesFrom
in class AbstractAmberExpr
public AmberExpr replaceJoin(JoinExpr join)
replaceJoin
in interface AmberExpr
replaceJoin
in class AbstractAmberExpr
public void generateWhere(CharBuffer cb)
generateWhere
in interface AmberExpr
generateWhere
in class AbstractAmberExpr
public void generateUpdateWhere(CharBuffer cb)
generateUpdateWhere
in interface AmberExpr
generateUpdateWhere
in class AbstractAmberExpr
public void generateHaving(CharBuffer cb)
generateHaving
in interface AmberExpr
generateHaving
in class AbstractAmberExpr
public java.lang.String toString()
toString
in class java.lang.Object
|
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