org.jeasy.rules.support.reader

Class AbstractRuleDefinitionReader

java.lang.Object

org.jeasy.rules.support.reader.AbstractRuleDefinitionReader

All Implemented Interfaces:

RuleDefinitionReader

Direct Known Subclasses:

JsonRuleDefinitionReader, YamlRuleDefinitionReader

public abstract class AbstractRuleDefinitionReader
extends java.lang.Object
implements RuleDefinitionReader

Base class for RuleDefinitionReaders.

Author:

Mahmoud Ben Hassine (mahmoud.benhassine@icloud.com)

Constructor Summary

Constructors

Constructor and Description
AbstractRuleDefinitionReader()

Method Summary

Modifier and Type	Method and Description
protected RuleDefinition	createRuleDefinition(java.util.Map<java.lang.String,java.lang.Object> map) Create a rule definition.
protected abstract java.lang.Iterable<java.util.Map<java.lang.String,java.lang.Object>>	loadRules(java.io.Reader reader) Load rules from the given reader as an iterable of Maps.
java.util.List<RuleDefinition>	read(java.io.Reader reader) Read a list of rule definitions from a rule descriptor.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractRuleDefinitionReader

public AbstractRuleDefinitionReader()

Method Detail

read

public java.util.List<RuleDefinition> read(java.io.Reader reader)
                                    throws java.lang.Exception

Description copied from interface: RuleDefinitionReader

Read a list of rule definitions from a rule descriptor. The descriptor is expected to contain a collection of rule definitions even for a single rule.

Specified by:

read in interface RuleDefinitionReader

Parameters:

reader - of the rules descriptor

Returns:

a list of rule definitions

Throws:

java.lang.Exception - if a problem occurs during rule definition reading

loadRules

protected abstract java.lang.Iterable<java.util.Map<java.lang.String,java.lang.Object>> loadRules(java.io.Reader reader)
                                                                                           throws java.lang.Exception

Load rules from the given reader as an iterable of Maps.

Parameters:

reader - to read rules from

Returns:

an iterable of rule Maps

Throws:

java.lang.Exception - if unable to load rules

createRuleDefinition

protected RuleDefinition createRuleDefinition(java.util.Map<java.lang.String,java.lang.Object> map)

Create a rule definition.

Parameters:

map - of rule properties

Returns:

a rule definition