diff options
author | James Forsyth <jf2512@att.com> | 2019-04-09 15:16:35 +0000 |
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committer | Gerrit Code Review <gerrit@onap.org> | 2019-04-09 15:16:35 +0000 |
commit | b76ab490c093e3e4f8d13fd99b15803b0dbfc68d (patch) | |
tree | 6d79f6bdb56a7d1db0cb2a66cefb5a4a7caccca2 /aai-schema-ingest/src/main/java/org | |
parent | b4687ce8279730f4d53e4d3341f00648660b1aff (diff) | |
parent | 86115147f09f2f2a0702a82c1895e13ff7f37131 (diff) |
Merge "Optimize the areas where its creating extra memory"
Diffstat (limited to 'aai-schema-ingest/src/main/java/org')
3 files changed, 140 insertions, 28 deletions
diff --git a/aai-schema-ingest/src/main/java/org/onap/aai/nodes/CaseFormatStore.java b/aai-schema-ingest/src/main/java/org/onap/aai/nodes/CaseFormatStore.java new file mode 100644 index 00000000..69a153da --- /dev/null +++ b/aai-schema-ingest/src/main/java/org/onap/aai/nodes/CaseFormatStore.java @@ -0,0 +1,105 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2019 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ +package org.onap.aai.nodes; + +import com.google.common.base.CaseFormat; +import org.w3c.dom.Document; +import org.w3c.dom.NodeList; + +import java.util.HashMap; +import java.util.Map; +import java.util.Optional; + +/** + * CaseFormatStore stores the converted strings from + * lower hyphen (example-object) to lower camel case (exampleObject) + * so it avoids the creation of the object for every single request + * and cause an issue with taking too much memory just for the conversion + */ +public class CaseFormatStore { + + private final Map<String, String> lowerHyphenToLowerCamel = new HashMap<>(); + private final Map<String, String> lowerHyphenToUpperCamel = new HashMap<>(); + private final Map<String, String> lowerCamelToLowerHyphen = new HashMap<>(); + private final Map<String, String> upperCamelToLowerHyphen = new HashMap<>(); + + CaseFormatStore(){} + + /** + * Parses the document and creates a lower camel case string + * upper camel string, lower hyphen and lower camel case + * + * @param doc Takes an xml document and adds it to the hash maps as appropriate + */ + void parse(Document doc){ + + // Get the xml-root-element and add those nodes + // with the attribute name and it to the hashmaps + // For the attribute with name, it is going to be lower-hyphen + // If the attribute is javaAttribute then it will be lower camel case + NodeList list = doc.getElementsByTagName("xml-root-element"); + addCaseFormatForNodesAndProperties(list, "name"); + + list = doc.getElementsByTagName("xml-element"); + addCaseFormatForNodesAndProperties(list, "java-attribute"); + + list = doc.getElementsByTagName("xml-any-element"); + addCaseFormatForNodesAndProperties(list, "java-attribute"); + } + + private void addCaseFormatForNodesAndProperties(NodeList list, String attributeName) { + for (int i = 0; i < list.getLength(); i++) { + + String lowerCamel = null; + String lowerHyphen = null; + + if ("java-attribute".equals(attributeName)) { + lowerCamel = list.item(i).getAttributes().getNamedItem(attributeName).getNodeValue(); + lowerHyphen = CaseFormat.LOWER_CAMEL.to(CaseFormat.LOWER_HYPHEN, lowerCamel); + } else { + lowerHyphen = list.item(i).getAttributes().getNamedItem(attributeName).getNodeValue(); + lowerCamel = CaseFormat.LOWER_HYPHEN.to(CaseFormat.LOWER_CAMEL, lowerHyphen); + } + + String upperCamel = CaseFormat.LOWER_HYPHEN.to(CaseFormat.UPPER_CAMEL, lowerHyphen); + lowerHyphenToLowerCamel.put(lowerHyphen, lowerCamel); + lowerHyphenToUpperCamel.put(lowerHyphen, upperCamel); + upperCamelToLowerHyphen.put(upperCamel, lowerHyphen); + lowerCamelToLowerHyphen.put(lowerCamel, lowerHyphen); + } + } + + public Optional<String> fromLowerHyphenToLowerCamel(String value){ + return Optional.ofNullable(lowerHyphenToLowerCamel.get(value)); + } + + public Optional<String> fromLowerHyphenToUpperCamel(String value){ + return Optional.ofNullable(lowerHyphenToUpperCamel.get(value)); + } + + public Optional<String> fromUpperCamelToLowerHyphen(String value){ + return Optional.ofNullable(upperCamelToLowerHyphen.get(value)); + } + + public Optional<String> fromLowerCamelToLowerHyphen(String value){ + return Optional.ofNullable(lowerCamelToLowerHyphen.get(value)); + } + +} diff --git a/aai-schema-ingest/src/main/java/org/onap/aai/nodes/NodeIngestor.java b/aai-schema-ingest/src/main/java/org/onap/aai/nodes/NodeIngestor.java index f9b23080..2428a6dd 100644 --- a/aai-schema-ingest/src/main/java/org/onap/aai/nodes/NodeIngestor.java +++ b/aai-schema-ingest/src/main/java/org/onap/aai/nodes/NodeIngestor.java @@ -62,14 +62,14 @@ public class NodeIngestor { private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(NodeIngestor.class); private static final Pattern classNamePattern = Pattern.compile("\\.(v\\d+)\\."); - Map<SchemaVersion, List<String>> filesToIngest; - private Map<SchemaVersion, DynamicJAXBContext> versionContextMap = new TreeMap<>(); - private Map<SchemaVersion, Set<String>> typesPerVersion = new TreeMap<>(); - private Map<SchemaVersion, Document> schemaPerVersion = new TreeMap<>(); + private Map<SchemaVersion, DynamicJAXBContext> versionContextMap = new HashMap<>(); + private Map<SchemaVersion, Set<String>> typesPerVersion = new HashMap<>(); + private Map<SchemaVersion, Document> schemaPerVersion = new HashMap<>(); private String localSchema; private SchemaVersions schemaVersions; private Set<Translator> translators; - + + private CaseFormatStore caseFormatStore; //TODO : See if you can get rid of InputStream resets /** @@ -80,6 +80,7 @@ public class NodeIngestor { @Autowired public NodeIngestor(Set<Translator> translatorSet) { this.translators = translatorSet; + this.caseFormatStore = new CaseFormatStore(); } @PostConstruct @@ -126,7 +127,7 @@ public class NodeIngestor { final DynamicJAXBContext ctx = ingest(inputStreams); versionContextMap.put(version, ctx); - typesPerVersion.put(version, getAllNodeTypes(inputStreams)); + setAllTypesAndProperties(version, inputStreams); schemaPerVersion.put(version, createCombinedSchema(inputStreams, version, retrieveLocalSchema)); } } catch (JAXBException | ParserConfigurationException | SAXException | IOException e) { @@ -150,8 +151,7 @@ public class NodeIngestor { return DynamicJAXBContextFactory.createContextFromOXM(this.getClass().getClassLoader(), properties); } - private Set<String> getAllNodeTypes(List<InputStream> inputStreams) throws ParserConfigurationException, SAXException, IOException { - //Reset the InputStream to reset the offset to inital position + private void setAllTypesAndProperties(SchemaVersion version, List<InputStream> inputStreams) throws ParserConfigurationException, IOException, SAXException { Set<String> types = new HashSet<>(); final DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance(); docFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true); @@ -162,15 +162,20 @@ public class NodeIngestor { inputStream.reset(); final Document doc = docBuilder.parse(inputStream); final NodeList list = doc.getElementsByTagName("java-type"); - - for (int i = 0; i < list.getLength(); i++) { - String type = list.item(i).getAttributes().getNamedItem("name").getNodeValue(); - types.add(CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_HYPHEN, type)); - } + getAllNodeTypes(list, types); + caseFormatStore.parse(doc); } - LOGGER.debug("Types size" + types.size()); - return types; + LOGGER.debug("Types size {}", types.size()); + typesPerVersion.put(version, types); + } + + private void getAllNodeTypes(NodeList list, Set<String> types){ + + for (int i = 0; i < list.getLength(); i++) { + String type = list.item(i).getAttributes().getNamedItem("name").getNodeValue(); + types.add(CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_HYPHEN, type)); + } } private Document createCombinedSchema(List<InputStream> inputStreams, SchemaVersion version, boolean localSchema) throws ParserConfigurationException, SAXException, IOException { @@ -272,4 +277,8 @@ public class NodeIngestor { "</xml-bindings>"; return new ByteArrayInputStream(source.getBytes(StandardCharsets.UTF_8)); } + + public CaseFormatStore getCaseFormatStore(){ + return caseFormatStore; + } } diff --git a/aai-schema-ingest/src/main/java/org/onap/aai/setup/SchemaVersion.java b/aai-schema-ingest/src/main/java/org/onap/aai/setup/SchemaVersion.java index a1a40e69..8143b5e1 100644 --- a/aai-schema-ingest/src/main/java/org/onap/aai/setup/SchemaVersion.java +++ b/aai-schema-ingest/src/main/java/org/onap/aai/setup/SchemaVersion.java @@ -21,20 +21,23 @@ package org.onap.aai.setup; import org.onap.aai.validation.AAISchemaValidationException; +import java.util.regex.Matcher; import java.util.regex.Pattern; public class SchemaVersion implements Comparable<SchemaVersion> { - public static final Pattern VERSION_PATTERN = Pattern.compile("v[1-9][0-9]*"); + public static final Pattern VERSION_PATTERN = Pattern.compile("v([1-9][0-9]*)"); - private final String value; + private final Integer value; public SchemaVersion(String value){ - if(!VERSION_PATTERN.matcher(value).matches()){ + Matcher matcher = VERSION_PATTERN.matcher(value); + + if(!matcher.find()){ throw new AAISchemaValidationException("Invalid Schema Version " + value + ", value doesn't match the expected regex: " + VERSION_PATTERN); + } else { + this.value = Integer.parseInt(matcher.group(1)); } - - this.value = value; } @Override @@ -44,6 +47,7 @@ public class SchemaVersion implements Comparable<SchemaVersion> { @Override public boolean equals(Object other){ + if(this == other){ return true; } @@ -62,7 +66,7 @@ public class SchemaVersion implements Comparable<SchemaVersion> { @Override public String toString(){ - return value; + return String.valueOf("v" + value); } @Override @@ -72,12 +76,6 @@ public class SchemaVersion implements Comparable<SchemaVersion> { return -1; } - // Requires to convert to integer to match the past behavior - // Otherwise the string comparison of versions aren't working as expected - - Integer tVal = Integer.parseInt(this.value.replaceAll("v", "")); - Integer oVal = Integer.parseInt(o.value.replaceAll("v", "")); - - return tVal.compareTo(oVal); + return this.value.compareTo(o.value); } } |