Package com.gigaspaces.internal.query.predicate.comparison

Class ScalarSpacePredicate

java.lang.Object

com.gigaspaces.internal.serialization.AbstractExternalizable

com.gigaspaces.internal.query.predicate.AbstractSpacePredicate

com.gigaspaces.internal.query.predicate.comparison.ScalarSpacePredicate

All Implemented Interfaces:

ISpacePredicate, SmartExternalizable, Externalizable, Serializable

Direct Known Subclasses:

ComparableScalarSpacePredicate, ContainsPredicate, EqualsSpacePredicate, NotEqualsSpacePredicate, NotRegexSpacePredicate, RegexSpacePredicate, RelationPredicate

public abstract class ScalarSpacePredicate
extends AbstractSpacePredicate

A common basic implementation for scalar comparison predicate implementations.

Since:

7.1

Author:

Niv ingberg

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected ConvertedObjectWrapper	_convertedValueWrapper
protected Object	_expectedValue
protected FunctionCallDescription	functionCallDescription

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ScalarSpacePredicate()	Default constructor for Externalizable.
protected	ScalarSpacePredicate(Object expectedValue, FunctionCallDescription functionCallDescription)	Creates a scalar predicate using the specified expected value

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
boolean	execute(Object target)	Executes this predicate on the specified target.
Object	getExpectedValue()	Gets the expected value.
protected abstract String	getOperatorName()
protected Object	getPreparedExpectedValue(Object target)
protected abstract boolean	match(Object actual, Object expected)
protected void	readExternalImpl(ObjectInput in)
String	toString()
protected void	writeExternalImpl(ObjectOutput out)

Methods inherited from class com.gigaspaces.internal.query.predicate.AbstractSpacePredicate

preparePredicate, requiresCacheManagerForExecution, setCacheManagerForExecution

Methods inherited from class com.gigaspaces.internal.serialization.AbstractExternalizable

readExternal, writeExternal

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.Externalizable

readExternal, writeExternal

Methods inherited from interface com.gigaspaces.serialization.SmartExternalizable

enabledSmartExternalizableWithReference

Field Details

_expectedValue

protected Object _expectedValue

functionCallDescription

protected FunctionCallDescription functionCallDescription

_convertedValueWrapper

protected transient ConvertedObjectWrapper _convertedValueWrapper

Constructor Details

ScalarSpacePredicate

protected ScalarSpacePredicate()

Default constructor for Externalizable.

ScalarSpacePredicate

protected ScalarSpacePredicate(Object expectedValue,
 FunctionCallDescription functionCallDescription)

Creates a scalar predicate using the specified expected value

Parameters:

expectedValue - Expected value.

Method Details

getExpectedValue

public Object getExpectedValue()

Gets the expected value.

Returns:

Expected value.

getPreparedExpectedValue

protected Object getPreparedExpectedValue(Object target)

execute

public boolean execute(Object target)

Description copied from interface: ISpacePredicate

Executes this predicate on the specified target.

Specified by:

execute in interface ISpacePredicate

Specified by:

execute in class AbstractSpacePredicate

Returns:

True if the specified target matches the predicate, false otherwise.

match

protected abstract boolean match(Object actual,
 Object expected)

toString

public String toString()

Overrides:

toString in class Object

getOperatorName

protected abstract String getOperatorName()

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

readExternalImpl

protected void readExternalImpl(ObjectInput in)
                         throws IOException,
ClassNotFoundException

Overrides:

readExternalImpl in class AbstractExternalizable

Throws:

IOException

ClassNotFoundException

writeExternalImpl

protected void writeExternalImpl(ObjectOutput out)
                          throws IOException

Overrides:

writeExternalImpl in class AbstractExternalizable

Throws:

IOException