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pengguangpu
miya-hardware
Commits
4e5c9f23
Commit
4e5c9f23
authored
Feb 18, 2019
by
pengguangpu
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添加内部自带重试逻辑的连接检测
parent
52a50a41
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PrinterManager.java
print/src/main/java/com/miya/print/PrinterManager.java
+21
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print/src/main/java/com/miya/print/PrinterManager.java
View file @
4e5c9f23
...
...
@@ -67,12 +67,18 @@ public class PrinterManager {
*/
IPrinter
printer
;
/**
* 内部持有调用者初始化的应用
*/
Context
ctx
;
/**
* 轮询初始化
*
* @return 是否初始化成功
*/
public
boolean
init
(
Context
context
)
{
this
.
ctx
=
context
;
for
(
Type
type
:
Type
.
values
())
{
try
{
if
(
printer
!=
null
)
{
...
...
@@ -138,6 +144,7 @@ public class PrinterManager {
* @return
*/
public
boolean
init
(
Context
context
,
Type
type
)
{
this
.
ctx
=
context
;
if
(
type
==
null
)
{
return
false
;
}
...
...
@@ -184,4 +191,18 @@ public class PrinterManager {
public
boolean
isConnected
()
{
return
printer
!=
null
;
}
/**
* 自带初始化重试的检测逻辑
*
* @return 如果printer!=null则返回true,否则内部初始化一次再返回初始化结果
*/
public
boolean
checkIsConnectedWithRetry
()
{
if
(
printer
!=
null
)
{
return
true
;
}
else
if
(
ctx
!=
null
)
{
return
init
(
ctx
);
}
return
false
;
}
}
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