com.attivio.sdk.search.fields

Class MultiaryFieldExpression

java.lang.Object

com.attivio.sdk.search.fields.FieldExpression

com.attivio.sdk.search.fields.MultiaryFieldExpression

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

BooleanExpression, Coalesce, Concat, Union

public abstract class MultiaryFieldExpression
extends FieldExpression

Abstract FieldExpression that takes an arbitrary number of FieldExpressions as arguments.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MultiaryFieldExpression.Method

Nested classes/interfaces inherited from class com.attivio.sdk.search.fields.FieldExpression

FieldExpression.StringMode

Field Summary

Fields

Modifier and Type	Field and Description
protected FieldExpression[]	args

Fields inherited from class com.attivio.sdk.search.fields.FieldExpression

alias, EMPTY_ARRAY

Constructor Summary

Constructors

Constructor and Description
MultiaryFieldExpression(FieldExpression... args)
MultiaryFieldExpression(FieldExpression[] args, String alias)
MultiaryFieldExpression(List<? extends FieldExpression> args, String alias)

Method Summary

Modifier and Type	Method and Description
protected abstract FieldExpression	clone(FieldExpression... x) Create a new instance of this FieldExpression, with different arguments.
boolean	equalsIgnoreAlias(FieldExpression other) Returns true if other is the same as this, with the exception of alias.
FieldExpression	getArgument(int index) Get argument at index.
int	getArgumentCount() Get the number of arguments.
FieldExpression[]	getArguments() Get the arguments.
boolean	hasChildren() Returns true if this field expression has any sub FieldExpressions.
int	hashCode()
boolean	isConstant() Returns true if this field expression evaluates to a constant value.
protected abstract boolean	parametersEqual(FieldExpression other) Returns true if other's parameters are the same as this.
void	rewrite(QueryHandler handler, boolean recursive) Rewrite any query objects in this FieldExpression using handler.
FieldExpression	rewriteChildren(FieldExpressionHandler handler) Traverse this FieldExpression using handler to visit/rewrite direct child elements if this expression.
void	setArguments(FieldExpression... value) Set the arguments.

Methods inherited from class com.attivio.sdk.search.fields.FieldExpression

as, clone, containsAlias, copyOf, equals, equalsIgnoreAlias, getAlias, getDefaultAlias, getFieldName, getType, handleFieldExpression, isConstant, quote, rewrite, setAlias, toString, toString, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

args

protected FieldExpression[] args

Constructor Detail

MultiaryFieldExpression

public MultiaryFieldExpression(List<? extends FieldExpression> args,
                               String alias)

MultiaryFieldExpression

public MultiaryFieldExpression(FieldExpression... args)

MultiaryFieldExpression

public MultiaryFieldExpression(FieldExpression[] args,
                               String alias)

Method Detail

isConstant

public boolean isConstant()

Returns true if this field expression evaluates to a constant value.

Specified by:

isConstant in class FieldExpression

getArgumentCount

public int getArgumentCount()

Get the number of arguments.

getArgument

public FieldExpression getArgument(int index)

Get argument at index.

getArguments

public FieldExpression[] getArguments()

Get the arguments.

setArguments

public void setArguments(FieldExpression... value)

Set the arguments.

hasChildren

public boolean hasChildren()

Returns true if this field expression has any sub FieldExpressions.

Specified by:

hasChildren in class FieldExpression

rewrite

public void rewrite(QueryHandler handler,
                    boolean recursive)

Rewrite any query objects in this FieldExpression using handler.

Overrides:

rewrite in class FieldExpression

rewriteChildren

public FieldExpression rewriteChildren(FieldExpressionHandler handler)

Traverse this FieldExpression using handler to visit/rewrite direct child elements if this expression.

NOTE: this method traverses direct child expressions (if any) only.

Specified by:

rewriteChildren in class FieldExpression

equalsIgnoreAlias

public final boolean equalsIgnoreAlias(FieldExpression other)

Returns true if other is the same as this, with the exception of alias.

Specified by:

equalsIgnoreAlias in class FieldExpression

parametersEqual

protected abstract boolean parametersEqual(FieldExpression other)

Returns true if other's parameters are the same as this.

hashCode

public int hashCode()

Overrides:

hashCode in class FieldExpression

clone

protected abstract FieldExpression clone(FieldExpression... x)

Create a new instance of this FieldExpression, with different arguments.