AbstractSqlExpression (TriActive Java Data Objects API)

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com.triactive.jdo.store.sql.expr
Class AbstractSqlExpression

java.lang.Object
  com.triactive.jdo.store.sql.expr.AbstractSqlExpression

All Implemented Interfaces:: SqlExpression, StatementTextGenerator

Direct Known Subclasses:: BinaryExpression, BooleanExpression, CharacterExpression, MapExpression, NullLiteral, NumericExpression, ObjectExpression, OIDExpression, SetExpression, SqlDateExpression, SqlTimestampExpression, StarLiteral, StringExpression, TypeNameLiteral, UnboundVariable

public abstract class AbstractSqlExpression
extends java.lang.Object
implements SqlExpression

Nested Class Summary
`static interface`	`AbstractSqlExpression.Body` The "body" of an SQL expression.
`static interface`	`AbstractSqlExpression.CompoundExpression` The "body" of an SQL expression made up of one or more component SQL expressions.
`static interface`	`AbstractSqlExpression.SimpleColumnReference` The "body" of an SQL expression which references no more than one column.
`static interface`	`AbstractSqlExpression.SubqueryExpression` The "body" of an SQL expression made up of a subquery.

Field Summary
`protected AbstractSqlExpression.Body`	`body`
`protected QueryStatement`	`qs`

Method Summary
`SqlExpression`	`accessField(java.lang.String fieldName)` Returns a new expression representing "this.`fieldName`".
`SqlExpression`	`add(SqlExpression expr)` Returns a new expression representing "this + `expr`".
`BooleanExpression`	`and(SqlExpression expr)` Returns a new expression representing "this && `expr`".
`SqlExpression`	`callMethod(java.lang.String methodName, java.util.List arguments)` Returns a new expression representing "this.`methodName`(`arguments`)".
`SqlExpression`	`cast(java.lang.Class type)` Returns a new expression representing this expression cast to the given data type.
`SqlExpression`	`com()` Returns a new expression representing "~this".
`SqlExpression`	`div(SqlExpression expr)` Returns a new expression representing "this / `expr`".
`BooleanExpression`	`eor(SqlExpression expr)` Returns a new expression representing "this ^ `expr`".
`BooleanExpression`	`eq(SqlExpression expr)` Returns a new expression representing "this == `expr`".
`ColumnMapping`	`getColumnMapping()` Returns the preferred mapping for this expression if it is a column mapping.
`java.lang.Class`	`getJavaType()` Returns the corresponding Java type of this expression.
`Mapping`	`getMapping()` Returns the preferred mapping for mapping this expression to/from Java objects.
`QueryStatement`	`getQueryStatement()` Returns the query statement to which this expression belongs.
`java.util.Set`	`getReferencedColumns()` Returns a set containing all the query columns referenced by this expression.
`BooleanExpression`	`gt(SqlExpression expr)` Returns a new expression representing "this > `expr`".
`BooleanExpression`	`gteq(SqlExpression expr)` Returns a new expression representing "this >= `expr`".
`static QueryStatement`	`innermostQuery(java.util.Collection c)` Returns the innermost query among all the given SqlExpression.
`static QueryStatement`	`innermostQuery(SqlExpression expr1, SqlExpression expr2)` Returns the innermost query between a pair of SqlExpressions.
`BooleanExpression`	`ior(SqlExpression expr)` Returns a new expression representing "this \|\| `expr`".
`BooleanExpression`	`lt(SqlExpression expr)` Returns a new expression representing "this < `expr`".
`BooleanExpression`	`lteq(SqlExpression expr)` Returns a new expression representing "this <= `expr`".
`SqlExpression`	`mod(SqlExpression expr)` Returns a new expression representing "this % `expr`".
`SqlExpression`	`mul(SqlExpression expr)` Returns a new expression representing "this * `expr`".
`SqlExpression`	`neg()` Returns a new expression representing "-this".
`static AbstractSqlExpression.Body`	`newBody(MonadicOperator op, SqlExpression operand)` Constructs an expression body consisting of a single SQL operator applied to an expression.
`static AbstractSqlExpression.Body`	`newBody(QueryStatement.QueryColumn qsc)` Constructs an expression body consisting of a single column reference.
`static AbstractSqlExpression.Body`	`newBody(QueryStatement qs, java.lang.Class javaType)` Constructs an empty expression body.
`static AbstractSqlExpression.Body`	`newBody(SqlExpression subexpr)` Constructs an expression body consisting of a single embedded subexpression.
`static AbstractSqlExpression.Body`	`newBody(SqlExpression operand1, DyadicOperator op, SqlExpression operand2)` Constructs an expression body consisting of a SQL operator applied to a pair of expressions.
`static AbstractSqlExpression.Body`	`newBody(SqlFunction function, java.util.List args)` Constructs an expression body consisting of an SQL function call.
`ResultExpression`	`newResultExpression(PersistenceManager pm)` SELECTs this expression in the surrounding query statement and returns a corresponding result expression.
`static AbstractSqlExpression.Body`	`newSubqueryBody(QueryStatement subquery, java.lang.Class javaType)` Constructs an expression body consisting of a parenthesized subquery.
`BooleanExpression`	`not()` Returns a new expression representing "!this".
`BooleanExpression`	`noteq(SqlExpression expr)` Returns a new expression representing "this != `expr`".
`int`	`select()` Adds this expression to the list of those SELECTed in its surrounding query statement.
`SqlExpression`	`setMapping(Mapping mapping)` Sets the preferred mapping for mapping this expression to/from Java objects.
`SqlExpression`	`sub(SqlExpression expr)` Returns a new expression representing "this - `expr`".
`StatementText`	`toStatementText()` Returns the SQL statement text which this object generates.
`java.lang.String`	`toString()` Returns the SQL statement text which this object generates as a string.

Methods inherited from class java.lang.Object

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

Field Detail

body

protected final AbstractSqlExpression.Body body

qs

protected final QueryStatement qs

Method Detail