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java.lang.Objectcom.gargoylesoftware.base.trace.TraceChannel
public class TraceChannel
This class represents a "channel" that diagnostic messages can be written to. The channel will contain zero or more TraceWriters which will be responsible for handling the messages.
Field Summary | |
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private boolean |
isEnabled_
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private java.lang.String |
name_
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private java.beans.PropertyChangeSupport |
propertyChangeSupport_
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private java.util.Set |
traceWriters_
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Constructor Summary | |
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TraceChannel(java.lang.String name)
Create a trace channel with the specified name. |
Method Summary | |
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void |
addPropertyChangeListener(java.beans.PropertyChangeListener listener)
Add a property change listener. |
void |
addTraceWriter(TraceWriter writer)
Add a trace writer. |
protected void |
assertNotNull(java.lang.String fieldName,
java.lang.Object fieldValue)
Verify that the specified value is not null. |
java.lang.String |
getName()
Return the name of this trace channel. |
(package private) java.util.Set |
getTraceWriters()
Return a collection of trace writers |
boolean |
isEnabled()
Return true if this channel is enabled. |
void |
removePropertyChangeListener(java.beans.PropertyChangeListener listener)
Remove a property change listener. |
void |
removeTraceWriter(TraceWriter writer)
Remove a trace writer. |
void |
setEnabled(boolean isEnabled)
Set whether or not this channel is enabled. |
java.lang.String |
toString()
Return a string representation of this object. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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private final java.lang.String name_
private boolean isEnabled_
private java.beans.PropertyChangeSupport propertyChangeSupport_
private final java.util.Set traceWriters_
Constructor Detail |
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public TraceChannel(java.lang.String name)
name
- The name of the channel.Method Detail |
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public final java.lang.String getName()
public java.lang.String toString()
toString
in class java.lang.Object
public void setEnabled(boolean isEnabled)
isEnabled
- true if this channel should be enabled.public boolean isEnabled()
public void addPropertyChangeListener(java.beans.PropertyChangeListener listener)
listener
- The new listenerpublic void removePropertyChangeListener(java.beans.PropertyChangeListener listener)
listener
- The listener to removejava.util.Set getTraceWriters()
public void addTraceWriter(TraceWriter writer)
writer
- A trace writerpublic void removeTraceWriter(TraceWriter writer)
writer
- A trace writerprotected final void assertNotNull(java.lang.String fieldName, java.lang.Object fieldValue) throws DetailedNullPointerException
fieldName
- The name of the field to checkfieldValue
- The value of the field to check
DetailedNullPointerException
- If fieldValue is null
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