com.levigo.jadice.swing.executor

Class PortfolioInstructionExecutor

java.lang.Object

com.levigo.jadice.swing.executor.PortfolioInstructionExecutor

All Implemented Interfaces:

InstructionExecutor<Collection<Object>>, CollectionBasedInstructionExecutor

public class PortfolioInstructionExecutor
extends Object
implements CollectionBasedInstructionExecutor

Handles those Instructions which are internal to the jadice documentplatform -- those it has in its portfolio by default. Note that these executors are sufficient to handle all intra-document instructions (page change, fit, zoom) which are produced by document reading processes.

Constructor Summary

Constructors

Constructor and Description
PortfolioInstructionExecutor()

Method Summary

Modifier and Type	Method and Description
boolean	canExecute(Instruction instruction, Collection<Object> context) Indicates whether or not this instance is able to execute the given Instruction, using the given context object where necessary.
void	execute(Instruction instruction, Collection<Object> context) Perform that which is described by the given Instruction.
boolean	pertainsTo(Class<? extends Instruction> clazz) Returns whether or not this InstructionExecutor knows how to deal with a given type of Instruction.

Methods inherited from class java.lang.Object

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

Constructor Detail

PortfolioInstructionExecutor

public PortfolioInstructionExecutor()

Method Detail

pertainsTo

public boolean pertainsTo(Class<? extends Instruction> clazz)

Description copied from interface: InstructionExecutor

Returns whether or not this InstructionExecutor knows how to deal with a given type of Instruction.

Specified by:

pertainsTo in interface InstructionExecutor<Collection<Object>>

Parameters:

clazz - the type of Instruction for which information is requested

Returns:

true if this InstructionExecutor is able to handle Instructions of the given type, false otherwise.

canExecute

public boolean canExecute(Instruction instruction,
                          Collection<Object> context)

Description copied from interface: InstructionExecutor

Indicates whether or not this instance is able to execute the given Instruction, using the given context object where necessary.

Specified by:

canExecute in interface InstructionExecutor<Collection<Object>>

Parameters:

instruction - the instruction in question

context - holds additional, implementation-specific information

Returns:

true if this instance is able to execute the given Instruction using the given context object where necessary; false otherwise.

execute

public void execute(Instruction instruction,
                    Collection<Object> context)

Description copied from interface: InstructionExecutor

Perform that which is described by the given Instruction.

Specified by:

execute in interface InstructionExecutor<Collection<Object>>

Parameters:

instruction - holds the information which specifies what to perform

context - holds additional, implementation-specific information