com.attivio.sdk.search.fields

Class BinaryFieldExpression

java.lang.Object

com.attivio.sdk.search.fields.FieldExpression

com.attivio.sdk.search.fields.BinaryFieldExpression

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

BinaryMathExpression, Compare, DateAdd, DateDiff

public abstract class BinaryFieldExpression
extends FieldExpression

Abstract FieldExpression that takes two FieldExpressions as arguments.

See Also:

Serialized Form

Nested Class Summary

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	arg0 The First argument
protected FieldExpression	arg1 The Second argument

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

alias, EMPTY_ARRAY

Constructor Summary

Constructors

Constructor and Description
BinaryFieldExpression(FieldExpression x, FieldExpression y)
BinaryFieldExpression(FieldExpression x, FieldExpression y, String alias) Construct a new BinaryFieldExpression.
BinaryFieldExpression(String alias) Construct a new BinaryFieldExpression with an alias.

Method Summary

Modifier and Type	Method and Description
BinaryFieldExpression	clone()
protected abstract FieldExpression	clone(FieldExpression x, FieldExpression y) 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	getFirstArgument() Get the first argument in this binary expression.
FieldExpression	getSecondArgument() Get the second argument in this binary expression.
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	setFirstArgument(FieldExpression value) Set the first argument in this binary expression.
void	setSecondArgument(FieldExpression value) Set the second argument in this binary expression.

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

as, 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

arg0

protected FieldExpression arg0

The First argument

arg1

protected FieldExpression arg1

The Second argument

Constructor Detail

BinaryFieldExpression

public BinaryFieldExpression(String alias)

Construct a new BinaryFieldExpression with an alias.

BinaryFieldExpression

public BinaryFieldExpression(FieldExpression x,
                             FieldExpression y)

BinaryFieldExpression

public BinaryFieldExpression(FieldExpression x,
                             FieldExpression y,
                             String alias)

Construct a new BinaryFieldExpression.

Method Detail

isConstant

public boolean isConstant()

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

Specified by:

isConstant in class FieldExpression

getFirstArgument

public FieldExpression getFirstArgument()

Get the first argument in this binary expression.

setFirstArgument

public void setFirstArgument(FieldExpression value)

Set the first argument in this binary expression.

getSecondArgument

public FieldExpression getSecondArgument()

Get the second argument in this binary expression.

setSecondArgument

public void setSecondArgument(FieldExpression value)

Set the second argument in this binary expression.

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

public BinaryFieldExpression clone()

Overrides:

clone in class FieldExpression

clone

protected abstract FieldExpression clone(FieldExpression x,
                                         FieldExpression y)

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