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fastjson
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提交 2bd96e9f 编写于 作者: S shaojin.wensj
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improved large object deserialize performance

上级 604f38f0
隐藏空白更改
内联 并排
Showing with 36 addition and 8 deletion
src/main/java/com/alibaba/fastjson/parser/deserializer/JavaBeanDeserializer.java
浏览文件 @ 2bd96e9f
......@@ -32,6 +32,7 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
private ConcurrentMap<String, Object> extraFieldDeserializers;
private final Map<String, FieldDeserializer> alterNameFieldDeserializers;
private Map<String, FieldDeserializer> fieldDeserializerMap;
private transient long[] smartMatchHashArray;
private transient short[] smartMatchHashArrayMapping;
......@@ -61,6 +62,13 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
sortedFieldDeserializers[i] = fieldDeserializer;
if (size > 128) {
if (fieldDeserializerMap == null) {
fieldDeserializerMap = new HashMap<String, FieldDeserializer>();
}
fieldDeserializerMap.put(fieldInfo.name, fieldDeserializer);
}
for (String name : fieldInfo.alternateNames) {
if (alterNameFieldDeserializers == null) {
alterNameFieldDeserializers = new HashMap<String, FieldDeserializer>();
......@@ -86,6 +94,13 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
if (key == null) {
return null;
}
if (fieldDeserializerMap != null) {
FieldDeserializer fieldDeserializer = fieldDeserializerMap.get(key);
if (fieldDeserializer != null) {
return fieldDeserializer;
}
}
int low = 0;
int high = sortedFieldDeserializers.length - 1;
......@@ -479,14 +494,14 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
}
String typeKey = beanInfo.typeKey;
for (int fieldIndex = 0;; fieldIndex++) {
for (int fieldIndex = 0, notMatchCount = 0;; fieldIndex++) {
String key = null;
FieldDeserializer fieldDeser = null;
FieldInfo fieldInfo = null;
Class<?> fieldClass = null;
JSONField feildAnnotation = null;
boolean customDeserilizer = false;
if (fieldIndex < sortedFieldDeserializers.length) {
if (fieldIndex < sortedFieldDeserializers.length && notMatchCount < 16) {
fieldDeser = sortedFieldDeserializers[fieldIndex];
fieldInfo = fieldDeser.fieldInfo;
fieldClass = fieldInfo.fieldClass;
......@@ -516,7 +531,8 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
notMatchCount++;
continue;
}
} else if (fieldClass == long.class || fieldClass == Long.class) {
long longVal = lexer.scanFieldLong(name_chars);
......@@ -530,7 +546,8 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
notMatchCount++;
continue;
}
} else if (fieldClass == String.class) {
fieldValue = lexer.scanFieldString(name_chars);
......@@ -539,7 +556,8 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
notMatchCount++;
continue;
}
} else if (fieldClass == java.util.Date.class && fieldInfo.format == null) {
fieldValue = lexer.scanFieldDate(name_chars);
......@@ -548,6 +566,7 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
notMatchCount++;
continue;
}
} else if (fieldClass == BigDecimal.class) {
......@@ -557,6 +576,7 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
notMatchCount++;
continue;
}
} else if (fieldClass == BigInteger.class) {
......@@ -566,6 +586,7 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
notMatchCount++;
continue;
}
} else if (fieldClass == boolean.class || fieldClass == Boolean.class) {
......@@ -581,7 +602,8 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
notMatchCount++;
continue;
}
} else if (fieldClass == float.class || fieldClass == Float.class) {
float floatVal = lexer.scanFieldFloat(name_chars);
......@@ -595,7 +617,8 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
notMatchCount++;
continue;
}
} else if (fieldClass == double.class || fieldClass == Double.class) {
double doubleVal = lexer.scanFieldDouble(name_chars);
......@@ -609,7 +632,8 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
continue;
notMatchCount++;
continue;
}
} else if (fieldClass.isEnum() //
&& parser.getConfig().getDeserializer(fieldClass) instanceof EnumDeserializer
......@@ -623,6 +647,7 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
notMatchCount++;
continue;
}
}
......@@ -633,6 +658,7 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
notMatchCount++;
continue;
}
} else if (fieldClass == float[].class) {
......@@ -642,6 +668,7 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
notMatchCount++;
continue;
}
} else if (fieldClass == float[][].class) {
......@@ -651,6 +678,7 @@ public class JavaBeanDeserializer implements ObjectDeserializer {
matchField = true;
valueParsed = true;
} else if (lexer.matchStat == JSONLexer.NOT_MATCH_NAME) {
notMatchCount++;
continue;
}
} else if (lexer.matchField(name_chars)) {
......
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